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Manual DSPider

1. Module number Module name see chapter 4 1 Slider 2 Plasma M eter 3 Numeric Readout 4 Text Labels 5 Scales 6 Scopes 11 Addition and logical operator 13 Multiplication 23 Triangle oscillator 24 Mixer 26 Ramp generator 27 Shaper 28 Envelope follower 29 Spectral shaper 32 Short delay all pass 35 Medium delay all pass 38 Long delay all pass 40 Early reflections chamber 37 38 Whenever you wish to edit a certain module s parameters you have two possibilities 3 6 1 Changing parameters in Edit Mode Make surethe Arrow tool is selected Then double click on amodule which is already laid out on the DSPider Blackboard and a dialog box will appear enabling you to modify whichever values may be of interest This operation is only available for editable modules A Shift Right module for instance can not be edited since it has no parameters to modify 3 6 2 Changing parameters in Run Mode You can edit the module s parameters when you re in Run Mode We have included this feature in DSPider because it is very useful for making changes to the modules while you re running the audio in Run Mode To edit a module s parameters in Run Mode hold the Opt key and click on the module The result will be the same as in Edit mode where a dialog box appears 3 7 SCREEN DISPLAY If you have had the chance to view Reader mode and Advanced Mode on your computer you will have observed thatthe Blackboard
2. A B OROut AND Out XOR Out 0 0 0 0 0 1 0 1 0 1 0 1 1 0 1 IL 1 1 1 0 You can activate the Intelligent Polarity box to avoid problems with signed signals The Missing Input 2 Value box allows you to set a value for the second input without the need to connect an external signal This is suitable for all those cases in which one of the inputs remains constant 69 70 These logical functions are very useful for creating certain kinds of distortion effects as well as dithering You can also use this module as a 2 state switch When using this option the module will act as a two state bypass between inputs A and B In this case you will visualize the addition icon bypassed on the blackboard The missing value which can be modified in the module s edition dialog box is still relevant since it is easy to create a Bypass M ute function by making the missing value zero and not connecting the second input On the other hand if we have to complete sections of DSP we can select one or another by connecting both sections to both module inputs and selecting the 2 state switch option 12 SUBTRACTION Number of instances 16 in total together with addition and multiplication modules Inputs 2 Controls 0 Bypass yes Mute yes P Run Mode Edit M ode The SUBTRACTION module subtracts the value of the second input from the first If you insert signals A to the first input and B to the
3. Number of instances 1 Inputs 1 Controls 1 Bypass yes M ute yes men F Run M ode Edit M ode The pitch tracker module is a period to frequency converter The output is a control signal not an audio signal The T control at the top of the module is a threshold parameter which disables pitch tracking above the selected value This threshold is a frequency threshold not an amplitude threshold which means that the module will not track frequencies above this value 26 RAMP GENERATOR Number of instances 2 Inputs 1 Controls 1 Bypass yes Mute yes Run Mode Edit Mode This module smoothes out the input signal in a gradual way This smoothness is controlled with a time constant which can be set with the T control at the top of the module This value must be in seconds or miliseconds AR attack release You can create a ramp choosing the kind of slope both upwards or downwards The selectable options are in the dialog box which appears on double clicking in Edit mode linear exponential or bypass 89 90 Ramp Generator Options Upwards Linear law Exponential law Instant Downwards Linear law Exponential law Instant Linear The generated signal between two points is a straight line which joins them Exponential The two points are joined by an exponential curve Instant The resulting signal is formed by joining both points instantly 27 SHAPER Nu
4. Copyright 1998 by Duy Research a division of Iris Multimedia S L No part of this manual may be reproduced in any form or stored in a database or retrieval system or transmitted or distributed in any form by any means electronic mechanical photocopying recording or otherwise without the prior written permission of Duy Research All trademarks are the property of their respective owners All features and specifications subject to change without notice 1 INTRODUCTION 1 1 INTRODUCTION 1 2 INSTALLING DSPIDER 1 3 TWO MODES READER AND ADVANCED 1 4 DSPIDER USES 2 READER MODE eee ePereererrrerre re rrr rec rere errr rere err errr re rer rere rrr r terre rer rer rere street rire yy 2 1 STARTING OUT WITH DSPIDER READER 2 2 LEFT SIDE OF THE SCREEN THE PALETTE 2 2 1 LOAD SAVE 2 2 1 1 LOAD 2 2 1 2 SAVE 2 2 1 3 SAVING YOUR PATCHES FOR QUICK LOAD 2 2 1 4 REGENERATING THE QUICK LOAD LIST 2 2 1 5 NOMENCLATURE STANDARDS 2 2 2 DSPIDER PATCH CORD VIEWS 2 2 2 1 90 DEGREE VIEW 2 2 2 2 DIRECT VIEW 2 2 3 INSTANT HELP 2 2 3 1 PATCH INFORMATION 2 2 3 2 BALLOON HELP 2 2 3 3 TALKING HELP 2 3 RIGHT SIDE OF THE SCREEN THE BLACKBOARD 2 3 1 MUTE 2 3 2 BYPASS 3 ADVANCED MODE 3 1 INTRODUCTION 3 2 PATCH CORD VIEWS 3 2 1 90 DEGREE VIEW 3 2 2 DIRECT VIEW INDEX cece cccscccece 15 17 17 17 18 19 19 19 20 20 20 21 21 21 21 22 23 23 25 28 28 28 3 3 RUN MODE 29 3 4 EDIT MODE 30 3 4 1 DRAG
5. 10 1 2 INSTALLING DSPIDER Please read the TDM Install Instructions that are located in the master Installer disk the disk with the serial Number 1 3 TWO MODES READER AND ADVANCED The use of DSPider can be as easy as loading standard presets But you also have the option of creating very complex algorithms To satisfy all our customers requirements we have implemented two modes Reader Mode and Advanced Mode These two modes can be selected from the Plug ins list menu in Pro Tools Reader Mode is called DSPider while Advanced mode is called DSPider Advanced Reader Mode is designed just for loading and running patches These can be DUY presets third party presets or your own creations Advanced Mode allows you to create edit and run your patches and also edit DUY and third party presets You can therefore run presets both in Reader and Advanced modes but you can only edit them in Advanced Mode There are three possible situations when using DSPider 1 You only want to use presets changing parameters but not the structure of the patches In this case Reader mode is exactly what you need 2 You want to create and or modify presets In this case use Advanced mode 3 You want to modify control values and the structure of the patch while using DSPider presets Again your best choice is Advanced mode You must bear in mind that in Reader mode you can modify control values and other bypass mute parameters but no acc
6. Inputs 1 Controls 3 Bypass yes Mute yes Run Mode Edit Mode This is a circular 4095 sample buffer with a Low Pass internal feedback structure It is also known as a Convolution Filter 102 37 LONG SAMPLE MODULATED BUFFER Number of instances 2 in total together with modules 38 39 and 40 Inputs 1 Controls 1 Bypass yes Mute yes Run M ode Edit Mode This is a Circular Buffer delay with modulation The maximum delay is 8191 samples The modulation allows independent control of the delay by means of an external continuously variable signal You must use this module in cases when you need to modulate the delay in real time without unwanted side effects This control is based on the derivative of the modulation signal 103 104 MODULES 38 amp 39 They function identically to modules 32 and 33 although the buffer is even larger 8191 samples 38 LONG DELAY ALL PASS Number of instances 2 in total together with modules 37 39 and 40 Inputs 1 Controls 2 Bypass yes M ute yes Run M ode Edit M ode Circular 8191 sample buffer with an All Pass internal structure 39 LONG DELAY LOW PASS Number of instances 2 in total together with modules 37 38 and 40 Inputs 1 Controls 3 Bypass yes Mute yes Run M ode Edit Mode Circular 8191 sample buffer with aLow Pass internal feedback structure 105 106 40 EARLY REFLECTIONS CHAMBER Number of instances 2 in
7. ismuch smaller in Reader Mode You may also have noticed that in Advanced Mode there is a dotted line dividing the Blackboard into two parts The function of this dotted line is the following Any modules you place in the lower subdivision of the Blackboard will not be visible in Reader mode This way you can obtain a clearer display and since you cannot edit the modules or structures in Reader mode you can leave only the relevant modules We advise you to read points 3 8 and 3 9 about other interesting features related to hiding modules from other users and protecting your patches inserta DSParAdvnof bypass z __ lt factory default _ compare automation Advanced M ode Screen Edit M ode 39 40 Reader M ode Screen 3 8 HIDING MODULES We have provided the possibility of hiding certain modules in Reader or Run Mode This feature can only be defined in Edit mode To hide a module make sure you re in Edit Mode hold the Opt key and click on the module you wish to hide All patchcords tied to the module will also be hidden in Run Mode Hidden multiplier viewed in Edit Mode To unhide a module hold the Opt key and click on the hidden module in the Edit Mode To unhide all the modules at the same time double click on the arrow tool icon This feature is very interesting from two points of view a First of all you are creating a much clearer display without bundles of patchcor
8. module can also operate as a gate with either a linear or a quadratic law The threshold value determines the triggering value This gate is opened and closed according to the attack and release settings previously mentioned 29 SPECTRAL SHAPER Number of instances 2 Inputs 1 Controls 0 Bypass yes Mute yes DM m Run M ode Edit Mode This module is a 16 band FFT shaper Double click on the module in Edit Mode You will see the graphic outline of the spectral shape which corresponds to an FFT transfer function Note that the reset button allows you to turn all the values half way up in the display box Therefore if you wish to amplify certain frequencies you just have to click on that bar and without releasing the mouse make the column higher or lower if you wish to attenuate A very useful application is comb filters Spectral Shape Options 00 28 55 83 110 138 165 19 58 11 0 138 165 19 3 Khe To delete press Cmd and drag 95 96 30 ONE SAMPLE DELAY Number of instances 8 Inputs 1 Controls 0 Bypass yes M ute yes a E Run Mode Edit M ode This is the simplest of all the delay modules As its name indicates it delays one sample 31 SHORT SAMPLE BUFFER Number of instances 7 in total together with modules 32 and 33 Inputs 1 Controls 1 Bypass yes Mute yes Run M ode Edit M ode This module is a Circular Buffer delay The control value determines the delay leng
9. patch immediately included into the quick load list For this reason we have created the regenerate quick load list feature see 3 5 2 2 3 5 2 2 Regenerating the quick load list To regenerate the quick load list you have to hold the Opt key while at the same time pressing the Save icon on the palette You can now release the Opt key and type the name of the patch you want to record When you accept the name this patch and all the previous ones you saved to any folder hanging from the DSPider patches folder will be included in your pop up list 3 5 2 3 Nomenclature standards The names of patches provided by DUY are followed by an extension such as pci ms and so on We strongly recommend you to follow this nomenclature for your own patches It will allow you to organize and locate your patches more easily The possible extensions are the following mm for patches with a mono input and a mono output ms for patches with a mono input and a stereo output ss for patches with a stereo input and output pci use this extention if the patch is not compatible with the N u bus DSP Farm see chapter 3 11 3 6 MODULE PARAMETERS Though detailed information about each module is included in Chapter 4 some general information is included here Some modules have certain parameters which can be modified by the user These are specified in the following list
10. range from 22050 to 22050 However for oscillators you will not use negative values KHz Used in the same way as the Hertz option it displays frequency in kilohertz Seconds This mode was designed for the delay modules It gives a direct reading in seconds Mili seconds This mode was designed for the delay modules It gives a direct reading in mili seconds Seconds AR This unit is used to measure the attack and release values of envelope followers and slope modules It gives a direct reading in seconds Mili seconds AR Also measures the attack and release values of envelope followers and slope modules It gives a direct reading in mili seconds Hertz 2 Pole Filter Choose this option to visualize the frequency of the 2 pole filters modules 18 to 21 You can also optionally control 1 pole filters modules 16 and 17 Kilohertz 2 Pole Filter The same as the previous option but scaled in kilohertz You have even more visualization options Decimal Places Display Unit Hold Peak Value Display Box and the Templates Decimal Places You can select the number of decimal places you want the readout to display and thus the precision of the reading In the fine mode Cmd drag the graphical resolution also depends on this setting 59 60 If you had a 32 dB value to display and you chose a dB type with 2 decimal places you would visualize 32 00 dB to 32 99 on the display box therefore increasing the resolutio
11. second the result will be A B Please remember that the signal to be subtracted must be inserted into the second input as can be seen in the figure above 71 72 13 MULTIPLICATION Number of instances 16 in total with addition and subtraction modules Inputs 2 Controls 0 Bypass yes M ute yes a a Run Mode Edit Mode This module is used to multiply or divide two signals Double click on the module in Edit mode and you will be able to choose between several options Multiplier Options Multiply L Inverse Result C Round Result C Low 24 Bits Divide MULTIPLY Use this option to use the module as a multiplier Multiplier functioning as a multiplier Inverse result The result given by the moduleis A B Round result The result is rounded taking out the least significant 24 bits Low 24 Bits Takes the least significant 24 bits as the result Remember that the operation is 48 bit wide DIVIDE Multiplier functioning as a divider Select this option to use the module as a divider If you insert signals A and B according to the figure below the result will be A B This is the division of one quadrant for non fractionary integer numbers with a fractionary result This means that for example dividing number 20 by number 40 will produce an integer value of 4194304 equivalent to a 50 or 6 02 dB IMPORTANT You must remember that dividing by zero will give the maximum possibl
12. that module on the screen Once you have modified values on the patch you can save it as a new preset 2 2 1 3 Saving your patches for quick load The patches for quick load 2 2 1 1 must be saved in the following path Hard disk System folder DAE Folder Plug ins DSPider Patches Inside the DSPider Patches folder you will see a list of folders These will also be shown when doing a quick load Initially all the DUY presets have been classified in a number of families You can add families at anytime by adding more folders Only one level of folders can be made This meaning that you can not put a family folder into another folder The maximum number of patches that can be saved for subsequent quick load is 256 These patches can be inside any number of folders Even though there is no limit to the number of folders or families you may want to keep it to less than 256 for practical purposes Any patch saved into the DSPider Patches folder can be loaded at a later date by pressing Cmd Opt and clicking on the blackboard 2 3 The pop up list will not show the patches you have saved until you re initialize ProTools However you may want to see your patch immediately included into the quick load list For this reason we have created the regenerate quick load list feature see 2 2 1 4 2 2 1 4 Regenerating the quick load list To regenerate the quick load list you have to hold the Opt key while at the same time pressing
13. the Save icon on the left of the screen You can now release the Opt key and type the name of the patch you want to record When you accept the name this patch and all the previous ones you saved to any folder hanging from the DSPider patches folder will be included in your pop up list 2 2 1 5 Nomenclature standards The names of patches provided by DUY are followed by an extension such 19 20 nu as pci ms and so on We strongly recommend you to follow this nomenclature for your own patches It will allow you to organize and locate your patches more easily The possible extensions are the following mm for patches with a mono input and a mono output ms for patches with a mono input and a stereo output ss for patches with a stereo input and output pci use this extention if the patch is not compatible with the Nu bus DSP Farm see chapter 3 11 2 2 2 DSPIDER PATCH CORD VIEWS The loaded preset may have several modules included on the display surface with several connections that may seem confusing This is why we have introduced two ways of visualizing connections 90 Degree View and Direct View 2 2 2 1 90 Degree View ll In 90 Degree View mode all patch cords are connected forming 90 degree horizontal or vertical angle paths This mode gives you a very clean and tidy display surface 2 2 2 2 Direct view Mk The Direct View connects modules with straight lines between modules Dir
14. you to modify and save all the control changes you make but you cannot modify the internal structure and functions of the plug in Reader mode was created with two intentions The first was to make DSPider very easy to use from the very beginning In Reader mode you will see information relevant to general use of the plug in The second is to save screen space Advanced mode uses up a large part of your screen space which is unnecessary if you just wish to run your plug in without changing its internal structure We realize that you do not want to waste your monitor space with superfluous information Reader mode is the right answer to both problems The DSPider Reader mode is selected when you insert the plug in In the list of plug ins with all your others you will see the following DSPider options In amono track In a Stereo track DSPider mono DSPider stereo DSPider mono stereo DSPider stereo DSPider Advanced mono DSPider Advanced stereo DSPider Advanced mono stereo DSPider stereo The 3 available DSPider Reader modes are DSPider mono DSPider mono stereo and DSPider stereo 15 16 When you insert the DSPider Reader option in aPro Tools track you will visualize this screen hot inserta _DsPider _ bypass Reader M ode Screen This is the standard screen for Reader mode You will see that it is split into two sections The left side includes the save load and the patchcord view contr
15. Reader Mode you can fine tune when choosing a value with the slider by pressing Cmd while changing the value on the slider with the mouse 55 56 2 PLASMA METERS Number of instances 16 Inputs 1 Controls 0 Bypass no M ute no Run Mode Edit Mode Plasma meters are high resolution bargraph displays with a peak and hold option Several parameters can be edited by double clicking on the modulein Edit Mode Value type allows dB and linear scale responses The dB scale is the most usual for audio signals although you can also use a linear display There are three different speeds of response slow medium and fast Plasma Options Yalue Type Peak Type dB None Linear Hold Body Color Silver w Shift Peak Color Silver General Response Peak Response Q Slow Q Slow Medium Medium Fast Fast You can also have a peak display on the plasma meter which is a small mark on the maximum achieved value You can choose between three different modes None does not display a peak value Hold displays and holds the maximum value during a period determined by the Peak Response time slow medium or fast Shift displaces moves the peak display according to the peak signal and then falls more slowly with speed defined by the Peak Response time slow medium or fast Both the bargraph and the peak display have different color options blue silver magenta red yellow and green Pla
16. Run Mode Edit Mode The scope is a low frequency oscilloscope used to visualize the evolution in time of a signal Signals can be both audio or control The signal appears from the right side of the screen and moves towards the left If you enter the dialog box by double clicking on the module in Edit Mode you will be able to choose between four possible modes Scope Options Mode Double Lobe Positive Lobe Negative Lobe Q Absolute Lobes Speed Q Fast Normal Q Slow Colour m 63 64 Double Lobe Displays on the scope both the positive and negative values Positive Lobe Only displays positive values Negative Lobe Only displays negative values Absolute Lobe Displays positive values as positive but converts negative values to positive You can also choose the signal speed on the screen Fast Normal or Slow Finally you can select a color for your display Click on the predefined color and another dialog box will appear allowing you to modify the color When you are visualizing the signal and therefore using the Reader Modeor Run Mode you can Reset the screen and clean it by double clicking on it Hold the display on the screen by clicking on it and holding 7 SHIFT RIGHT Number of instances 12 in total together with shift left modules Inputs 1 Controls 0 Bypass yes Mute yes m Run Mode Edit M ode The shift right module reduces the input signal by half The equivalent reduc
17. UM DELAY ALL PASS 36 MEDIUM DELAY LOW PASS 37 LONG SAMPLE MODULATED BUFFER 38 LONG DELAY ALL PASS 39 LONG DELAY LOW PASS 40 EARLY REFLECTIONS CHAMBER 68 69 71 72 15 76 71 78 79 80 81 82 83 85 86 88 89 91 93 95 96 97 98 99 100 101 102 103 104 105 106 WARNING Remember to use DSPider with your monitoring system very low It s easy to produce annoying sounds when you are patching modules especially when you create feedback or make a module or a group of modules unstable If you don t follow this advice you may damage your speakers 1 INTRODUCTION 1 1INTRODUCTION DSPider is the very first TDM plug in that allows the user to build sound processing devices by interconnecting a large set of modules that range from low level operations to complete DSP algorithms As a result unique and exciting new effects can be created with just one product A large library of presets is also provided as standard These presets can be modified by the user at will It is presupposed that you have a basic understanding of the main concepts of digital audio processing and for this reason this manual has not been written as a definitive reference text on this subject To make the most of DSPider you will need to use your knowledge of signal processing However you can create a wide range of interesting effects without being a technical expert Needless to say the more you know the more possibilities you have
18. ackboard This doesn t happen in Run Mode which you can use to place modules when the Blackboard is full However you can place a module over an existing module in Edit Mode if they have been placed on the blackboard previously that is after the Drag amp Drop process Therefore you can place modules on the Blackboard using the drag amp drop feature both in Run and Edit modes When you re in Run Mode the only active tool is the Arrow In Edit Mode dragging and dropping is possible when either the Arrow Eraser or Patcher are active for more information on editing tools read point 3 4 2 3 4 2 EDIT MODE TOOLS There are three tools to edit and create patches 3 4 2 1 ARROW It enables you to 1 Move one or several modules at a time on the Blackboard To move one module select it by clicking and holding the module as you change its position by dragging it If you want to move several modules in the same direction you must select the objects you want to move first To do so click and drag over the modules you wish to select As you drag a dashed box appears indicating the range of objects you are going to select When you release the mouse the selected modules will be highlighted in red To move them click and hold one of the highlighted modules and drag as if they were one entity 2 To see the module properties Double click on amodulein Edit Mode and you will be able to see and change the properties of all modifiable mo
19. amp DROP 30 3 4 2 EDIT MODE TOOLS 31 3 4 2 1 ARROW 31 3 4 2 2 ERASER 31 3 4 2 3 PATCHER 32 3 4 2 4 IMPORTANT 32 3 4 3 AUTO MANUAL MODE 32 3 5 SAVE AND LOAD 34 3 5 1 LOAD 34 3 5 2 SAVE 35 3 5 2 1 SAVING YOUR PATCHES FOR QUICK LOAD 35 3 5 2 2 REGENERATING THE QUICK LOAD LIST 36 3 5 2 3 NOMENCLATURE STANDARDS 36 3 6 MODULE PARAMETERS 37 3 6 1 CHANGING PARAMETERS IN EDIT MODE 38 3 6 2 CHANGING PARAMETERS IN RUN MODE 38 3 7 SCREEN DISPLAY 39 3 8 HIDING MODULES 41 3 9 PATCH LOCKING 42 3 10 INSTANT HELP 43 3 10 1 PATCH INFORMATION 43 3 10 2 BALLOON HELP 44 3 10 3 TALKING HELP 45 3 11 DSP RESOURCE ALLOCATION 46 4 THE MODULES 4 1 INTRODUCTION 49 4 2 MODULE LIST 51 1 SLIDER 51 PLASMA METERS 56 NUMERIC READOUT 58 TEXT LABELS 61 SCALES 62 SCOPES 63 SHIFT RIGHT 65 SHIFT LEFT 66 ABSOLUTE VALUE 67 Oo onou BW N 10 INVERT 11 ADDITION AND LOGICAL OPERATOR 12 SUBTRACTION 13 MULTIPLICATION 14 NOISE GENERATOR 15 SAMPLE amp HOLD 16 ONE POLE LOW PASS FILTER 17 ONE POLE HIGH PASS FILTER 18 TWO POLE LOW PASS FILTER 19 TWO POLE HIGH PASS FILTER 20 TWO POLE BAND REJECT FILTER 21 TWO POLE BAND PASS FILTER 22 OSCILLATOR 23 TRIANGLE OSCILLATOR 24 MIXER 25 PITCH TRACKER 26 RAMP GENERATOR 27 SHAPER 28 ENVELOPE FOLLOWER 29 SPECTRAL SHAPER 30 ONE SAMPLE DELAY 31 SHORT SAMPLE BUFFER 32 SHORT DELAY ALL PASS 33 SHORT DELAY LOW PASS 34 MEDIUM SAMPLE BUFFER 35 MEDI
20. and short medium and long delay modules is doubled compared to the PCI system Therefore with the MIX system you can insert amaximum of 32 sliders 8 mixers 14 short delays 6 medium delays and 4 long delays NEW ADDITIONAL FEATURES With previous versions of DSPider you could quick load patches by holding Cmd Opt and clicking on the Blackboard This took you to a default folder located in the following path Hard Disk System folder DAE folder Plug ins DSPider patches One of the new features allows you to select the root folder you want to load your patches from This new feature is called the Patch Manager Save as Save in Patch Manager as Save Locked as Save Locked in Patch Manager as Load Preferences Bypass Chorus F langers Compressor Expanders Delays Di 111 112 Press Cmd Opt and click on the Blackboard to visualize the list of patches which can be loaded You will see an extra menu at the top of the patch list The available functions are Save as Does exactly the same function as the Save icon at the bottom of the Palette Save in Patch Manager as Saves the patch in the root folder selected from the preferences menu see below Save Locked as Saves the patch locked the structure of the patch will not be visible when loaded and no edition will be possible Save Locked in Patch Manager as Saves the patch locked in the chosen root folder Load H
21. arameters to keep a good record of all the controls you create on your DSPider patch C Draw Frame You can also draw squares in order to enclose specific areas of the blackboard These squares can also have text in them To create a square make sure you are in Edit Mode First double click on the module write a text if you wish and activate the Draw Frame option Press OK Still in Edit Mode you will see a red or white small square on the lower right corner of the label box By clicking and holding while dragging you can enlarge the surface to which the label is extended The labelled square will be present in Run and Reader mode 61 62 5 SCALES Number of instances infinite Inputs 0 Controls 0 Bypass no Mute no Run Mode Edit M ode Scales are usually used to give a dimension and quantify plasma meter readings You can change the scale type by double clicking on the module There are four different options Scale Options Scale Type dB Divisions Linear D places os gt Yo O None dB linear percentage no scale allows the user to label the scale he prefers at his convenience by inserting a text label above or below the scale display You can also select the number of divisions on the graphic scales the decimal precision Example set it to 2 to visualize a 3 dB value as 3 00 dB 6 SCOPES Number of instances 4 Inputs 1 Controls 0 Bypass no Mute no
22. as the same function as the Load icon in the Palette Preferences We have introduced the possibility of choosing the way you use the cache with DSPider If you select the Cache On option you have two alternatives Cache Patches DSPider will preload all the patches in RAM using an important part of the DAE memory Cache Patches when needed Patches will only be loaded as they are needed in a DSPider session These patches will be kept in RAM until you stop using the plug in If you dont select the Cache On option DSPider will read the patches from disk every time they are loaded Another available option inside the Preferences Menu allows you to choose the Root Folder you want the Patch Manager to save and load your patches You can also re build the list of patches which will allow you to see the names of the patches included in your root folder when holding Cmd Opt and clicking on the blackboard 113 Users Manual for DSPider v 1 1 Third Edition DUY Research 1999
23. ase with positive signals 14 NOISE GENERATOR Number of instances 1 Inputs 0 Controls 1 Bypass no Mute yes Run Mode Edit Mode This module is a pseudo random white noise generator This module has no input signal as it s a stand alone generator The amplitude of the noise signal can be set by the control input One possible way to do so is by inserting a slider into the amplitude input controller to specify the level 75 76 15 SAMPLE amp HOLD Number of instances 2 Inputs 1 Controls 1 Outputs infinite Bypass yes M ute yes Run Mode Edit Mode This module performs the sample and hold function widely used by synthesizers in the analogue world The S amp H module stores the input signal in memory during a period of time specified with the control input preferably a slider Please remember that the value must be set in seconds or miliseconds 16 ONE POLE LOW PASS FILTER Number of instances 8 in total together with one pole high pass filters Inputs 1 Controls 1 Bypass yes Mute yes Run Mode Edit Mode This filter has a 6dB octave slope beginning at the cutoff frequency stated with the control input atthetop ofthemodule marked with a C which stands for cutoff This frequency can be specified with a slider One pole filters are very useful for shelving equalization and other gentle processing functions 77 78 17 ONE POLE HIGH PASS FILTER Number of instance
24. ations that are done inside DSPider The Auto and Manual modes define the order of the calculations of the different modules in a patch The Auto Mode calculates the order in a hierarchical way Itis most suitable in cases where the order is not critical which is what is most often the case The Manual Mode is useful for advanced users mainly for the design of filters where the calculation order is critical To use it press the Manual icon and enter Edit Mode You will then see a number next to each module which indicates the order of calculation To reset the order double click on the patcher tool This will set each module to order zero To increase the order double click on each module Calculations will be made from lower to higher orders It s possible to create NULL levels which are absent from the current assigned levels and are ignored by DSPider For example you can assign levels 0 1 5 and 10 The missing levels 2 3 4 6 7 8 9 are ignored 33 34 3 5 SAVE and LOAD DSPider gives you the capability of saving and Loading patches without the help of Pro Tools or any other host But you can also use the Pro Tools option to Save and Restore patches via the mini menu located at the top of the plug in window 3 5 1 Load Pe Load This instruction allows you to load existing patches You can load DSPider patches to anywhere in your computer disks You just have to save or copy them in advance to the place you want the
25. creen which has a lock symbol next to it Appearance of a locked patch on the palette 3 10 INSTANT HELP Three icons below the Save Load icons on the palette provide help to the user while working with DSPider 3 10 1 Patch information Click on this icon and a dialog box will appear on the screen showing information about the current patch Please note that only previously created patches on disk can read and modify this information To add text to this screen use a conventional text editor to write the text you wish to insert in the window Then select it and press Cmd C Go to the patch information window in DSPider and paste it by pressing Paste The information will be stored automatically when you save your patch If you press Clear you will lose all information inside this dialog box Patch Information YOU CAN ADD TEXT TO THIS SCREEN VERY EASILY Patch information 43 44 If the amount of text inserted is longer than the screen will allow you to see at a time you can scroll the screen up and down by placing the mouse on the patch information screen and moving the mouse up or down while holding the mouse clicked 3 10 2 Balloon Help By clicking on this icon you will switch a help mode on or off This provides you with help on any module your mouse is over on the Blackboard surface or any icon on the Palette To switch the status of Help from active to inactive or viceversa simply cl
26. ds being mixed up or interfering with other modules b Combined with the Patch locking feature it allows you to protect your algorithms You will find more information about this point in chapter 3 9 41 42 3 9 PATCH LOCKING DSP J DU 1 2 der DSPider provides you with the possibility of protecting your patches This can be done with the Patch Locking feature To lock a patch hold the Cmd key and click on the Save icon Choose the destination of your file in the dialog box as with a normal save chapter 3 5 2 Why lock your own patches If you have created patches either for your own use or for sale as a Third Party developer you may not want other people to see the algorithms you have programmed In order to make sure that the algorithm cannot be seen you may also wish to combine this patch locking feature with hiding modules and patchcords See chapter 3 8 Once a patch has been locked it has been locked forever Previously locked patches will be saved as locked patches even if the user doesn t press the Cmd key while clicking on the Save icon in the palette Editable and visible parameters will be the only modifications to the locked patch when saved since further changes can not be made to its internal structure You can tell if a patch has been locked by looking at the 40 module list on the palette which is darkened or by looking at the Arrow icon on the left of the s
27. dules 3 Bypass modules in Run Mode Click on the module and you will be able to bypass the modules in several ways in each of the possible positions 3 4 2 2 ERASER Use this tool in Edit Mode to delete modules or patchcords In the first case simply click on the module to delete When deleting a cord make sure you 31 32 click on it exactly 3 4 2 3 PATCHER Use the patcher to create connections between modules patch cords Click on the point in a module from which the output must be taken and hold until you reach the cord s destination where you can release the mouse button Please observe that the exact point to release the mouse is next to a small green arrow slightly towards the inside of the module border The origin of the connection is very easy to get at but the destination can bea little trickier until you have had some practice Remember you can only patch and erase modules in Edit Mode 3 4 2 4 IMPORTANT You can place modules on the Blackboard by dragging them onto it both in Edit and Run modes You can do this operation with any of the three editing tools active in Edit Mode This means you can place a module on the Blackboard while the eraser or the patcher are active If you enter Run Mode the Arrow will be switched on automatically 3 4 3 AUTO MANUAL MODE Auto Manual DSPider s internal architecture is completely transparent to the user However you can control the order of the calcul
28. e desired patch but you can also add your own families The maximum number of patches that can be selected in this way is limited to 256 These patches can be held inside folders The maximum number of folders is unlimited but you may want to keep it much lower than 256 for practical purposes Only one level of folders is allowed Hence you can not put a folder inside another folder If you do so the quick load feature will not work properly Please go to point 2 2 1 3 for information about saving quick patches 2 2 1 2 Save This module allows you to save whichever control changes you have made to the patches you previously loaded You can also use the Pro Tools option to save patches via the mini menu located at the top of the plug in window The files created in Reader mode are identical and compatible with the ones in Advanced mode The difference between them is that when saving in Reader mode only the control parameters are modified All other parameters are left untouched We advise you to create a specific folder to save your settings You may avoid confusion by having a properly structured group of folders Let s say you load one of the Compressor presets You will see a few parameters which you can modify such as ratio attack release and threshold although there may be many more You may also have a Shift Left module with a label above indicating that this module adds a 6dB gain In this case you would also be able to see
29. e value in that scale as a result OdB in dB 100 as a percentage and so on It s also important for the user to know that using a multiplier is not the only way to amplify signals There are four ways of amplifying signals a Using a shift left module which increases the original value by 6 02 dB 73 74 b To create the same effect as the above mentioned you can insert the same signal into both signal inputs of an Addition module The resulting signal is exactly twice the original signal which corresponds to 6 02 dB c You can also amplify a signal by inserting it into a MIXER several times see module number 24 for complete information and controlling the values with the use of sliders as gain controllers or by setting the values in the mixer dialog box Mixers have four inputs which means the maximum amplification you can achieve is 12 04 dB This corresponds to inserting the signal in every channel of the mixer with a OdB attenuation In the diagram below we can see the amplification values according to the number of channels added with an OdB attenuation for more than four channels use more than one mixer and add their outputs with ADD modules Number of channels at OdB att Amplification 2 6 02 dB 9 54 dB 12 04 dB 13 98 dB 15 56 dB 16 90 dB 18 06 dB oo D u gt Ww 4 By using dividers for example dividing by 0 5 the input signal will be doubled this is only the c
30. ect view may look confusing at first but makes it very easy to see the source and destination of a patch cord 2 2 3 INSTANT HELP Three icons below the Save Load icons on the palette provide help to the user while working with DSPider 2 2 3 1 Patch information Ze Click on this icon and a dialog box will appear on the screen showing information about the current patch Please note that only previously created patches on disk can read and modify this information 2 2 3 2 Balloon Help By clicking on this icon you will switch the help mode on or off This provides you with help on whichever module your mouse is placed over on the Blackboard surface or on the Palette To switch between the active or inactive status of Help simply click on the icon 2 2 3 3 Talking Help By clicking on this icon the Speech Manager will read the text given in the Help Balloons In order to get talking help you must have the Speech Manager installed in your system To switch between the active or inactive status of Talking Help simply click on the icon 21 22 2 3 RIGHT SIDE OF THE SCREEN THE BLACKBOARD Within the Blackboard you have access to all DSPider modules working in Run mode In fact you will have access to all the parameters that the designer of the Plug in chose you to see The designer did this in Advanced mode which allows you to enter Edit mode and also has a bigger Blackboard Though all functions are a
31. er Q value you set the narrower the frequency range to be omitted will be If you choose a very high value Q you will be rejecting a wide range of frequencies 81 82 21 TWO POLE BAND PASS FILTER Number of instances 8 in total together with the rest of two pole filters Inputs 1 Controls 2 Bypass yes M ute yes Run Mode Edit M ode The two pole Band pass filter rejects all frequencies outside the frequency range selected with both the frequency control and the Q factor The range of non attenuated frequencies will vary according to the value of the Q factor For this module a high Q value will mean you will be attenuating all frequencies outside a very narrow range around the frequency specified with the left control center frequency control If you choose alow Q value you will be letting a wide range of frequencies pass through the filter 22 OSCILLATOR Number of instances 2 Inputs 0 Controls 2 Bypass no Mute yes le a Run Mode Edit Mode This is a multi waveform generator Double click on the module when you re in Edit Mode or press Opt and click in Run Mode A complete dialog box will appear Oscillator Options Waveforms ifi Amplify Triangle Reduce DC adj ma a 3 Z gt 5 5 rn s e Ratio oo Modulation 100 0 a 83 84 On the left you will be able to click on one of the following signals Sine Triangle Saw
32. ess to the internal structure of the plug in is possible DSPider includes as standard a long list of patches which will be enlarged and updated regularly These enable you to use this plug in as a compressor limiter reverb stereoizer enhancer maximizer panner or as a combination of them by just loading any of these patches 11 If you wish to use DSPider as a multi purpose plug in taking advantage of its preset feature you will be using the Reader mode and we therefore suggest you mainly read chapter 2 although the extra information in chapters 3 and 4 may be useful Creating and modifying patches may need careful reading of this manual In this case we seriously advise you to study chapters 2 3 and 4 12 1 4 DSPIDER USES DSPider can be used for 1 Conventional DSP processing auto panners filtering EQ chorus flange delay modulated delay etc 2 Design and or implementation of custom or cookbook filters WwW Basic Synthesis generation For advanced synthesis another product SynthSpider is more suitable Reverb design Design of Dynamic processors Sound FX design YN DO WwW Bs Any combination of the above plus many more The application range covers a very wide spectrum DSPider is also an excellent tool for research and education 13 14 2 READER MODE 2 1 STARTING OUT WITH DSPIDER READER DSPider Reader mode is designed for loading plug in patches This mode allows
33. gnals 28 ENVELOPE FOLLOWER Number of instances 3 Inputs 1 Controls 3 Bypass yes Mute yes Run Mode Edit Mode The envelope follower module generates a control signal whose amplitude is proportional to the input signal amplitude set by three controls which are Envelope Follower Options Use as Follower Linear law Exponential law Q Use as Gate Linear law Q Quadratic law Attack This parameter indicates the time the module takes to respond to any fluctuations in the input signal It is usually measured in mili seconds or seconds So if you control this value with a slider you should use it in the AR mode either miliseconds AR or seconds AR 93 94 Release The release value indicates the length of time throughout which the signal decay will take place when dropping from a certain amplitude to a lower value Threshold Set this parameter to set the level above which the module must be sensitive During an envelope analysis a signal will not be detected below this level If you set a 3dB value the output from the envelope follower module would remain constant or decay according to the release time until a 3dB or higher signal was inserted into the module Double click on the module in Edit mode A dialog box will appear allowing you to choose between a linear or an exponential follower This means that the increase and the decay of the signal follow a linear or an exponential curve The
34. he signal to be subtracted You therefore have two possible bypasses the input signal and or the to be subtracted signal To stop bypassing a module click on it again ro f 4 Possible bypass positions of a subtraction module 23 24 3 ADVANCED MODE 3 1 INTRODUCTION Advanced mode of DSPider focuses on creating editing and running patches This is possible thanks to the 40 modules DSPider provides which can be patched forming a functional structure we call a PATCH Insert DSPider in a Pro Tools track as you would with any other plug in selecting any of the Advanced DSPider instances from the plug ins menu There are 3 kinds mono mono stereo and stereo depending on whether the track you are working on is mono or stereo You can visualize the screen in the figure below x 1 sert EE bal lt factory default gt compare automation Oo osom aoda BOO ooog 2 S 8 g Run Mode view in Advanced M ode 25 26 This is the standard screen for Advanced mode You will see that it is split into two main sections the left side is what we call the menu section On the right side of the screen you will find a black surface We call it Blackboard and this is where the modules will be placed and connected The Blackboard is divided into two parts which are explained in chapter 3 7 The menu section located on the DSPider Advanced palette includes all the tools you will need
35. ick on the icon Band Reject The band reject filter allows you to attenuate one range of frequencies which is defined with the center frequency value and the Q factor save Bo Load em SEER Using Balloon Help The balloon s text display on the blackboard is different when you re in Run Mode to when you re in Edit Mode In the case of the latter the balloon displays shortkey tips to make editing smoother 3 10 3 Talking Help By clicking on this icon the Speech Manager will read the text given in the Help Balloons In order to utilize talking help you must have the Speech Manager installed in your system To switch the status of Talking Help from active to inactive and or viceversa simply click on the icon 45 46 3 11 DSP resource allocation Every DSPider insertion uses one DSP whether using a Nu bus or a PCI DSPfarm Thus when designing patches we recommend you to combine several functions in the same patch so that you make the most of the available resources IMPORTANT Remember that DSP power available processing time is limited When the DSP approaches its limit you will be able to tell by the reduction of the Sampling Frequency by half which is audible However in some cases you May not notice it audibly For this reason and in the case of surpassing the DSP s available processing time we recommend you to follow atest procedure for every patch you design The method consists of
36. in and the parameter settings You have to bear in mind that the files are identical and compatible in both modes the difference being that when saving in reader mode only the control parameters are modified and all the others are left untouched 2 2 1 1 Load The DSPider Reader mode allows you to load patches which have been created with Advanced DSPider mode You can load DSPider patches from anywhere on your computer disks You just have to save or copy them in advance in the place you want them to be located However we have created a special folder to place DSPider patches which will allow you to load them much more easily We call this the quick load feature The special folder for the quick load is inside the Plug ins Folder and is described in chapter 2 2 1 3 Therefore to load existing patches you have two options 17 18 a To load a patch from anywhere in your computer click on the LOAD button and a dialog box will allow you to select its location b Quick load to do a quick load press Cmd Opt and click on the blackboard You will see alist of all the existing presets organized into families Select one patch inside a family and it will be automatically loaded In the list you will initially find all DUY patches but you can also add your own patches third parties patches or future new DUY patches to the list We have initially created some standard families of patches which will make it easier to find th
37. introducing a 440 Hz sine test tone and listening out for a similar effect to distortion sometimes with artifacts at the output of the patch The test may change a slightly depending on the structure of the patch but the general principal is to detect if the sampling frequency is correct and has not been halved You can make patches that work on both Nu bus and PCI and some that only work on PCI Patches which exceed the PCI power will not work on any of these platforms If a patch doesn t work in a platform you will have to reduce the required DSP power by eliminating some elements of your patch We advise you to start by removing superfluous functions Unused modules which have been placed on the blackboard also consume DSP power and its therefore better to remove them The same applies to patchcords The next step would be to remove plasma meters and scopes Further optimisation could apply to an Early Reflections Chamber for example where the more reflections you draw on the dialog box the more DSP power it will consume In this case we advise you to consider drawing only the most significative reflections and deleting those with a small amplitude A good way to check where the breakpoint is that is the point from which DSP power is insufficient is to try the 440 Hz test explained above while muting and or bypassing modules and or eliminating some functions 47 48 4 The Modules 4 1 Introduction There are 4 categorie
38. is mode presents you with a very clean and tidy display surface 3 2 2 Direct view The Direct View connects modules with straight lines between modules It may look confusing at first but makes it very easy to see the source and destination of a patch cord In cases when lots of patchcords are superimposed you may need to move the connected modules so that the connection becomes clearer 3 3 RUN MODE Run Mode is basically designed for executing your patch when creating or editing a Patch in Advanced mode It allows you to check and listen to all the functions of your plug in change slider values see the meters and readers etc It also gives access to some internal module options such as bypass and mute And to make your work easier it also allows you to access some editing features without the need for switching to Edit mode which is entered by holding Opt while clicking on a module Most modules have this option Please refer to chapter 4 The Modules for more details Run Mode may be confused with Reader mode But they are different in concept The first thing to bear in mind is that Run Mode is an option inside Advanced Mode Run Modein fact has many more features and a larger screen than reader mode We advise you to use Reader Mode when you re only loading patches but don t want to change the plug in structure If you wish to modify the patch it is a better choice using Run mode in Advanced Mode An additiona
39. l feature of Run Mode is that it allows you to Drag and Drop modules onto the Blackboard Once you have dropped the module in Run mode you cannot move it unless you switch to Edit Mode See 3 4 1 for more information about Dragging and Dropping 29 30 3 4 EDIT MODE When this mode is active you can create and edit patches This means you can change the position of modules modify all their parameters change the visual size of the graphic modules insert text labels see hidden connections and so on To do all this in Edit Mode we have provided 3 edit tools arrow eraser and patcher Please refer to chapter 3 4 2 for more information For more information about the module functions available in Edit mode please refer to Chapter 4 3 4 1 DRAG amp DROP The drag and drop Mac system is used to place modules on the plug in Blackboard To drag and drop click on a module and hold the mouse button down while moving it to the point on the Blackboard surface where you wish to place it This position can be modified whenever you like in Edit Mode If you drag and drop while pressing the Cmd key the movement and placement of modules will be constrained to an 8 pixel position helping the user to align objects This invisible grid will also be present when moving and resizing with the Cmd key down Also note that if you drag and drop anew module over an existing module in Edit Mode the new module will not be placed on the Bl
40. lay at this frequency is 0 22676 miliseconds long Please refer to the delay modules for more details modules 30 to 39 Mili seconds AR This unit is used to control the attack and release values of envelope followers and ramp generators Although negative values are allowed they are not useful for controlling attack and release parameters The practical values range from INF to 1 S S being the sampling rate in KHz For a sampling rate of 44 1 KHz the range will be INF to 0 022676 ms Please refer to modules 26 and 28 for more details Ramp generator and Envelope follower modules Hertz 2 Pole Filters Choose this option to control the frequency of the two pole filters modules 18 to 21 The values range from 7577 3 to 7577 3 Hz We advise you only to use positive values to control filters The useful range is 20 to 7577 3 Hz Do not use this unit for controlling oscillators The tracking option allows you to select the curve that relates the output values to the slider position when using the slider in Run mode You can choose between three different options Linear dB and AR Linear and dB are self explanatory The AR option is optimized for controlling attack and release times The Templates section provides a fast way to set all the Slider Options values for most typical uses The predefined templates are Gain Filter Oscillator LFO AR Attack and Release and Short Medium and Long delays When using the slider in Run or
41. m to be located However we have created a special folder to place DSPider patches which will allow you to load them much more easily This is what we call the quick load feature The special folder for the quick load is inside the Plug ins Folder and is described in chapter 3 5 2 1 Therefore to load existing patches you have two options a To load a patch from anywhere in your computer click on the LOAD button and a dialog box will allow you to select its location b Quick load to do a quick load press Cmd Opt and click on the blackboard You will see a list of all the existing presets organized in families Select one patch inside a family and it will be automatically loaded In the list you will initially find all DUY patches but you can also add your own patches third party patches or future DUY patches We have initially created some standard families of patches which will make it easier to find the desired patch The maximum number of patches that can be selected in this way is limited to 256 These patches can be inside any number of folders The maximum number of folders is unlimited but you may want to keep it much lower than 256 for practical purposes Please go to point 3 5 2 1 for information about saving quick patches 3 5 2 Save This module enables you to save new or edited patches Whichever changes you have made to the patches will be saved A dialog box will appear allowing you to choose the drive whe
42. mber of instances 2 Inputs 1 Controls 0 Bypass yes Mute yes Run Mode Edit Mode The shaper module is basically a user definable waveshape transformer whose X axis represents the original input waveform and Y axis the desired output You can draw the transfer function with 8 linear segments When you enter the dialog box double click in Edit Mode you will see a 45 degree line crossing the transfer function axis meaning the input signal is identical to the output To modify this line simply click and drag the point to draw the new function curve For a quick understanding of how it works you can see the shaper curve as a kind of mirror In linear shaping illustrated by a straight line in diagram the output mirrors the input waveform exactly In non linear shaping diagram curve the input meets the line and then reflects a different output waveform 91 92 Shaper Transfer Function To delete a point you have already marked hold Opt and click If you hold Shift and drag you will move the point to a 1 1 slope function We can draw some conclusions 1 in the linear case only volume changes are produced by moving theline s highest point 2 any curve above the linear shape will amplify the sound and introduce some kind of non linearity 3 any abrupt change in the shape as in diagram could produce heavy non linearities 4 shapers can be used for the processing of both audio and control si
43. n In this case the readings would be in steps of 0 01 Display unit It allows you to display the unit dB float Hz and so on next to the value when in Run Mode Hold Peak Value the readout displays the maximum value reading If you choose this option you may want to reset the counter to find a new peak value when you re working in Run Mode or in Reader Mode To do so simply click the module in Run Mode Display box select if you want to see a small box enclosing the measured value As with the Slider module the Templates section provides a fast way to set all the Plasma Meter Options providing the most typical settings for certain uses The predefined templates are Gain Filter Oscillator LFO AR Attack and release and Delays It is important to note that the numeric readouts can not be patched from any module output In fact they can only be patched from a Slider module and to a Plasma Meter If you need to patch a numeric Readout to another kind of module we recommend inserting one Plasma Meter as a bridge 4 TEXT LABELS Number of instances infinite Inputs 0 Controls 0 Bypass no Mute no Label EEE Run Mode Edit Mode To insert a text label simply drag the module onto the blackboard and double click in Edit Mode Insert the text into the dialog box and you will be able to visualize it when you go back to Run Mode We advise you to label all the patches you create as well as some of the modifiable p
44. n the dialog box This will enable you to draw a straight line To delete hold Cmd and drag You can delete either in the time of frequency domain windows 23 TRIANGLE OSCILLATOR Number of instances 2 Inputs 0 Controls 2 Bypass no Mute yes Run Mode Edit Mode This module is a fixed triangular signal generator It is very suitable for LFOs and sound synthesis generation The controls at the top of the module are F it allows you to select the frequency of the triangular signal which is going to be generated The values you can choose range from zero to half the sample rate frequency A this control lets you change the amplitude 85 86 24 MIXER Number of instances 4 Inputs 4 Controls 4 Bypass yes M ute yes Run M ode Edit M ode The Mixer module is a 4 channel mixer and therefore has 4 inputs which are controlled with the upper controls You can use a slider for this purpose or double click to set the values in a dialogue box without needing any control connections The four controls allow external control over each input s gain but missing controls those which have not been connected will use internal values which can be programmed in Advanced Mode from the Mixer s dialog box The mixer allows negative input controls and can therefore be used as a controllable phase inverter The negative input controls have the effect of inverting the input signal You have to bear in mind that yo
45. ols and will be referred to as the palette from now on in this manual The right side of the screen is the surface where the plug in modules will appear This part will be called the Blackboard Inside the Blackboard and in Reader mode you will usually see graphical modules sliders plasma displays scopes text and numeric readouts This is because these are the modules you use most often to control values and observe the results However any other module can also be visualized in Reader mode the only limitation being the available space For example in certain cases you may want to use the mute and or bypass feature which is available on most modules to create specific effects In this case the plug in designer can make these available to the user by displaying them even in Reader mode We strongly advise you to read chapters 3 and 4 Advanced Mode and Modules even if you do not plan to program your own patches This will allow you to understand the way DSPider works internally and open up a further range of programming possibilities 2 2 LEFT SIDE OF THE SCREEN THE PALETTE Atthetop ofthe palette you will see the following icons ss Save 2 2 1 LOAD SAVE It is very important to understand that the Load Save feature is not exactly the same in Reader as in Advanced mode In Reader mode you can save the parameter settings of an existing patch whereas in Advanced Mode you can save both the structure of the plug
46. ough one control is added and labeled with a letter C viewing it in Run Mode If you don t connect this last control it performs in exactly the same way as module 32 But if you connect it real feedback is created inside the module which is controlled with the value set by the F control The cutoff parameter controls the internal gain in such a way that it depends on the feedback value Therefore to link the Feedback and the Cutoff you must set them both in such a way that their signals are complementary This means that you will have to set the feedback at 75 if you want a 25 cutoff to the filter s response Both parameters must add up to 100 99 100 MODULES 34 35 amp 36 They function identically to modules 31 32 and 33 although the buffer is larger as it can contain up to 4095 samples 34 MEDIUM SAMPLE BUFFER Number of instances 3 in total together with modules 35 and 36 Inputs 1 Controls 1 Bypass yes M ute yes Run Mode Edit M ode A Circular Buffer delay maximum 4095 samples 35 MEDIUM DELAY ALL PASS Number of instances 3 in total together with modules 34 and 36 Inputs 1 Controls 2 Bypass yes Mute yes Run M ode Edit Mode This is a circular 4095 sample buffer with an All Pass internal structure The controls are the same as those in module 32 Short delay all pass 101 36 MEDIUM DELAY LOW PASS Number of instances 3 in total together with modules 34 and 35
47. pear 51 52 Slider Options Edit values in Minimum dB Maximum 0 000000 Q Float Current 0 000000 Q Q Integer Default 0 000000 Hex Hertz Q Mili seconds Mili seconds AR Hertz 2 Pole Filters Tracking Linear Delay S dB AR il Templates Delay L i On the right side of the box you can set four values Minimum this is the value your slider will reach in Run Mode when it is totally to the left horizontally or completely down when being used in a vertical position Maximum The value assigned when the slider is completely to the right in Run Mode or at the highest position if the slider is oriented vertically It is important for you to bear in mind that the Minimum value will always correspond to the left of the slider or down vertically even if the entered minimum value is higher than the maximum Therefore you can set a lower value for the Maximum than for the Minimum in which case you would have the smaller value at the right or at the top according to the orientation Current This indicates the last value the slider was set to when you last quit Run Mode If you change it the new settings will apply Default This is the value the slider will be set to in Run Mode when you hold the Opt key and click on the slider On the left a list of nine different units allows you to choose the format of the visualized values on your slider dB Float percent intege
48. r Hex Hertz mili seconds Mili seconds AR and mili seconds 2 pole filter It is important to bear in mind that changes to any of the preceding units will not produce any change in the output value of the slider except in those cases where the range of values is not allowed for the selected unit If you insert values in a certain mode dB for instance and then switch units to percentage DSPider converts the values to the new scale It is very important that you consider the valid ranges for each unit as the conversion could lead to mistakes For example if you set a float value to 4 minus four and then switch to the dB mode the conversion will not be done properly as the logarithm of a negative number does not exist Let s look at another example a 0 dB value in the dB scale will change to 100 when switching the units to percentage This represents the maximum digital output If you change to 6 02 dB the value in will change to 50 as it means the signal value is reduced by half in linear terms All the possible units are dB this format ranges from the INF value to 0 dB You must consider that you can not enter a superior value than 0 dB maximum positive output value Also in this mode you can not output negative values because the minimum value which is INF produces a 0 output 53 54 float values range between 1 and 1 It allows the full range of output values it allows you to set a rela
49. re you want to save your modified patch You can also use the Pro Tools option to save patches via the mini menu located at the top of the plug in window We advise you to create a specific folder to save your settings You may avoid confusion by having a properly structured group of folders If you want to use the Quick load option you have to follow these steps 3 5 2 1 Saving your patches for quick load The patches for quick load 3 5 1 must be saved in the following path Hard disk System folder DAE Folder Plug ins DSPider Patches Inside the DSPider Patches folder you will see a list of folders These folders will also be shown when doing a quick load Initially all the DUY presets have been classified into a number of families You can add families at anytime by adding more folders Only one level of folders can be made This means that you can not have a family folder inside another folder The maximum number of patches that can be saved for subsequent quick load is 256 These patches can be inside any number of folders Even if there is no limit for the amount of folders or families you may want to 35 36 keep it much lower than 256 for practical purposes Any patch saved into the DSPider Patches folder can beloaded at alater date by pressing Cmd Opt and clicking on the blackboard 3 5 1 The pop up list will not show the patches you have saved until you reinitialize ProTools However you may want to see your
50. s 8 in total together with one pole low pass filters Inputs 1 Controls 1 Bypass yes Mute yes Run M ode Edit Mode The onepole high pass filter has a 6dB octave slope leading to the specified frequency adjust with a slider and then remains constant at a 0dB gain level towards the high spectrum frequencies There is a gentle transition around the cutoff point Please read the one pole low pass filter specifications 18 TWO POLE LOW PASS FILTER Number of instances 8 in total together with the rest of two pole filters Inputs 1 Controls 2 Bypass yes Mute yes Run Mode Edit Mode Two pole low pass filters have a 12 dB octave slope starting at the cutoff frequency which can be controlled for instance with a slider You can visualize the frequency you have selected with the slider by connecting a Numeric Readout module and setting it in Hertz or kilohertz Two pole filters have a second control which allows adjustment of the Q factor which is aresonance parameter This value indicates the width ofthe peak around the cutoff frequency When adjusting it you should consider that analogue values are not equal to digital values and therefore a typical 0 5 Q factor in the analogue world would not correspond identically to that in the digital domain Remember that you can either control the Q value with a slider or with an external signal which can be obtained from a module In such a case it s importan
51. s of modules in out graphics single functions and macros The input and output modules act as an input output interface between DSPider and the TDM Bus Theinput module takes the signal from the TDM Bus into DSPider After the signal has been processed with DSPider it is returned to the TDM Bus via the output module The input and output modules are not described in the Modules list in this manual They are not included in the palette because they are included by default on the blackboard The graphic modules are sliders plasma meters numeric readouts text labels scales and scopes They are all resizable When editing you can change the size of all graphic modules by clicking and dragging a small red white square which appears on one of the corners of the box surrounding the module The single functions are those which have a standard DSP code like shift right shift left absolute value invert addition subtract and multiply All the rest are macros which are more complex functions created for specific uses There follows a detailed description of all the modules At the beginning of each module description a few parameters are shown number of instances Inputs Controls Bypass and Mute Number of instances This is the maximum number of times that a module can be included in a patch Inputs and controls state the number of inputs and controls for each module Bypass When you are in Run or Advanced Mode all the module
52. s that have at least one input can be bypassed This means you can bypass them in such a way that you can hear the signals that enter each module individually and 49 50 one by one To bypass a module you just have to click on it in Run mode The module will toggle between the different inputs and operating positions Mute All the Single function and Macro modules can be muted To do so click on the module while at the same time holding the Cmd key An x symbol will appear indicating that the module has been muted Modules can have amaximum of one visible output lead This output when available can be tied to an infinite number of inputs So we can say that all the following modules have infinite outputs the single functions all the macros the input modules and the sliders Plasma meters however have only got one output which is prepared to be patched to a numeric readout module 4 2 Module list 1 SLIDER Number of instances 16 Inputs 0 Controls 0 Bypass no Mute no Run Mode Edit M ode A slider generates a digital value proportional to its position It can be used to generate control settings for most of the functions available to the user in reader mode and also to generate constants generally not available to the user This is made possible by the multiple programmable parameters available in Edit Mode You can enter Edit Mode by double clicking on the slider A dialog box with several settings will ap
53. sma meters are usually combined with a scale module although this is not obligatory 57 58 3 NUMERIC READOUT Number of instances 32 Inputs 1 Controls 0 Bypass no M ute no a EN Run Mode Edit M ode This module is used to display values in a numeric form When editing double click on the module in Edit Mode you can choose the units which will be used for display dB Float Integer Hex Hz kHz Seconds Mili Seconds Seconds AR Hz 2 Pole Filter and KHz 2 Pole Filter The ranges of these units are equivalent to the ones explained in the Slider module section Numeric Display Options KHz 2 Pole Filter Yalue type Decimal Places dB Q Float J Display Unit Integer I Hold Peak Value Hex EJ Display Box OQ One Templates Okie Seconds Mili Seconds Seconds AR Mili Seconds AR O Hz 2 Pole Filter dB Displays values in decibels range from INF to 0 dB Please note that values above 0 dB are not allowed float values are float numbers ranging from 1 to 1 integer displays values as integer numbers ranging from 8 388 607 to 8 388 607 Hex displays hexadecimal values ranging from FF800001 to 7FFFFF It allows the full range of output values it allows you to visualize a relative value percentage It ranges from 100 to 100 Hertz choose this option to read the frequency of oscillators This is not a suitable option for filters Values
54. t that you insert an absolute value module between the module you re taking the signal from and the point to which you are going to insert the Q value at the top of the two pole filter This is fundamental as a negative value Q makes no physical sense Therefore only a positive value is valid in controlling the Q factor 79 80 19 TWO POLE HIGH PASS FILTER Number of instances 8 in total together with the rest of two pole filters Inputs 1 Controls 2 Bypass yes M ute yes Run Mode Edit Mode Two pole high pass filters have a 12 dB octave slope which turns to a constant OdB as it approaches the cut off frequency the Q factor which is controlled by the user can make the cut off frequency value move a few Hz above or below the specified frequency value and remains at this level throughout the rest of the spectrum towards the high frequencies The Q value indicates the width of the peak around the cutoff frequency 20 TWO POLE BAND REJECT FILTER Number of instances 8 in total together with the rest of two pole filters Inputs 1 Controls 2 Bypass yes Mute yes Run Mode Edit Mode The band reject filter allows you to attenuate a range of frequencies which are defined with the center frequency value and the Q factor These two controls can both be specified with sliders The Q factor determines the width of the frequency range to avoid starting at the frequency value set in the left control The low
55. th The maximum is 2047 samples 97 98 32 SHORT DELAY ALL PASS Number of instances 7 in total together with modules 31 and 33 Inputs 1 Controls 2 Bypass yes M ute yes Run M ode Edit M ode This is a circular 2047 sample buffer with an All Pass internal structure It has two controls the first D is a delay value whose maximum value is the maximum sample value 2047 The second control F is a feedback control which we advise you to set with a slider for easier use and preferably on a percentage scale This last point is important since values between 0 and 50 are stable W hen you surpass the 50 value however you enter an unstable zone whose maximum instability depends on the frequency and is usually around 75 When you reach the 100 value the tendency is to less instability What you re actually allowing is a great deal of diffusion so the sound level may grow and grow However values lower than 50 60 are very useful for certain applications which range mainly from reverbs to other complex processors 33 SHORT DELAY LOW PASS Number of instances 7 in total together with modules 31 and 32 Inputs 1 Controls 3 Bypass yes Mute yes Run M ode Edit Mode This is a circular 2047 sample buffer with a Low Pass internal feedback structure This module is also known as a Convolution Filter This low pass buffer has the same controls as the short delay all pass module 32 alth
56. tion in dBs is 6 02 dB 65 66 8 SHIFT LEFT Number of instances 12 in total together with shift right modules Inputs 1 Controls 0 Bypass yes M ute yes m Run Mode Edit M ode Shift left doubles the input signal That is it increases its level by 6 02 dB Note that shift left can lead to clipping distortion if not properly used 9 ABSOLUTE VALUE Number of instances 6 Inputs 1 Controls 0 Bypass yes Mute yes Run Mode Edit Mode The absolute value function converts all negative input values to positive leaving all positive values the same A 5 value would be turned to 5 and a 6 level would remain untouched 67 68 10 INVERT Number of instances 6 Inputs 1 Controls 0 Bypass yes M ute yes Run Mode Edit Mode The invert module multiplies the entered signal by 1 This is equivalent to a 180 degree phase change 11 ADDITION and logical operator Number of instances 16 together with subtraction and multiplication modules Inputs 2 Controls 0 Bypass yes Mute yes a Run Mode Edit M ode This module takes the inserted signals A and B and adds them A B although you can also use this module as a logical operator for OR AND and XOR exclusive OR functions and even as a switch In order to choose the operation you want the addition operator to process double click on the module in Edit Mode You can then select the operation ADD OR AND or XOR
57. tive value percentage Ranges from 100 to 100 It allows the full range of output values Dec values range from 8 388 607 to 8 388 607 It allows the full range of output values Hex values range from FF800001 to 7FFFFF hexadecimal numbers which allow the full range of 32 bit output values considering that only the least significant 24 bits will be used inside the DSP Hertz The values range from S 2 to S 2 S being the sampling frequency of the project For a sampling frequency of 44 100 the range is 22 050 to 22 050 It allows the full range of output values Choose this option to control the frequency of the oscillators It allows the full range of output values However to control oscillators you can t use negative values Do not use this unit for controlling filters as a different unit was created for this purpose Mili seconds This mode was designed to control the delay modules and gives a direct conversion from samples if set in Integer mode to mili seconds The values range from 8 388 607 S to 8 388 607 S where S is the sampling frequency in KHz For a 44 1 KHz sampling frequency the range will be 190 217 to 190 217 seconds Even in a range of more than 380 seconds the useful range is limited to the size of the delay For the three types of delays S M or L the useful range is for positive values up to 2047 S 4095 S and 8192 S which for a sampling rate of 44 1 KHz will be around 46 92 or 185 ms One sample de
58. to be erased 107 108 ADDENDUM 1 Second edition October 1998 Modules 7 and 8 shift right and shift left modules have an added feature which allows the user to increase the number of operations for these modules This function is more efficient in DSP and module consumption terms than using multiple instances To use this feature drag one of these modules from the palette onto the blackboard and double click on it while in Edit Mode A dialog box will appear allowing you to select the number of operations For instance if you chose 3 times you would be increasing the level by around 18 dB with the shift left module and decreasing it some 18 dB with the shift right module The module number of multiple instances you can insert is 23 corresponding to an increase or decrease according to the module of 138 47 dB Shift Options Repeat instruction Ez times Gain changed by 18 062 dB 109 110 ADDENDUM 2 Third edition November 1998 USING THE PRO TOOLS 24 MIX CARD This version of DSPider is optimised for the Pro Tools 24 MIX card and is compatible with the PCI system The maximum number of instances has been increased for certain modules Please note this increase is only available for MIX users If you own a PCI system you will find the number of instances for each module as specified in their detailed explanation in chapter 4 of the Users Manual The maximum number of instances for sliders mixers
59. to create edit load and save patches You can use Advanced DSPider in two modes Edit Mode and Run Mode At the very top of the menu you will find Edit and Run mode selectors These are explained in more depth in chapters 3 4 and 3 3 FEN EEE EEE EEE EEE POOH OG TORT GET TEETER TTT Aux 1 insert a DSPdr Advnef bypass bal lt factory default compare f automation all li EDOBBBBEBEHEgZG EREBBBEBEHUM zZ DORBSBBEBDHH BOBBBBBBDR i z D ol Edit M ode view in Advanced Mode Further down in the palette you will find the patchcord view selector Chapter 3 2 Further down you have the 40 modules which can be dragged onto the Blackboard An in depth explanation of all modules is included in Chapter 4 Below the modules you find the Save Load 3 5 and the Auto Manual 3 4 3 and below these the 3 Instant Help buttons Patch Information 3 10 1 Balloon Help 3 10 2 and Talking Help 3 10 3 27 28 3 2 PATCH CORD VIEWS On the Blackboard the connections between modules are made with patch cords When you have patched several modules on the Blackboard connections may seem confusing This is why we have introduced two ways of visualizing connections 90 degree and Direct View This feature is especially useful when you re creating patches 3 2 1 90 degree view In the 90 degree view mode all patch cords are connected forming 90 degree horizontal or vertical angle paths Th
60. tooth Squarewave FM When you have clicked on your signal choice a display screen on the right of the dialog box will show the signal in a time domain Another screen at the bottom of the dialog box will display the signal on a frequency scale the signal s spectrum On the second column at the left of the dialog box you have 5 options Amplify Click to amplify the signal which is cut when surpassing the limits of the box where the graphic signal is represented right of the dialog box Reduce Click here to attenuate the amplitude of the signal Invert Introduces a 180 degree inversion DC adj Allows you to set an offset value for the signal Smooth Reduces high frequency harmonics There is also a ratio dialog box and a modulation percentage value which can be set by the user when generating an FM signal Another interesting feature is the possibility to edit the signal frequencially Click on the frequency you wish to enhance or diminish and move the mouse vertically upwards or downwards to achieve an amplification or reduction of certain harmonics The controls at the top of the module are marked with an F and an A The first allows you to select the frequency of the signal which is going to be generated The values you can choose range from zero to half the sample rate frequency The A control lets you change the amplitude To draw a DC signal hold shift while drawing with the mouse on the time domain window i
61. total together with modules 37 38 and 39 Inputs 1 Controls 0 Bypass yes M ute yes Run Mode Edit Mode This powerful module allows you to program complex multiple delays in a simple and straightforward way Its most typical use is the creation of early reflection chambers But it has many other users like adding density to reverbs or creating non linear reverb responses for example Early Reflections Options O Anti Overflow 0 0 18 6 37 1 35 7 74 3 92 9 111 4 1300 1486 167 2 Room Size ms Double click on the module in Edit Mode or press Opt and click on the module in Run Mode to enter the Early Reflections Chamber s graphic edition screen A vertical bar at the left allows you to adjust amplitude values on a percentage scale A horizontal bar at the bottom enables you to mark the length of the early reflection effect timewise You are therefore selecting the room size To edit these two bars click and drag with the mouse and adjust Then draw the reflections with the mouse The maximum number you can draw is 32 You have to bear in mind that every delay that you program uses DSP resources regardless of its amplitude If you run out of DSP time we advise you to leave the higher amplitude reflections and remove the low level ones To insert reflections in prime number positions press Opt while clicking with the mouse To delete certain reflections hold Cmd while dragging over the reflections
62. u can not obtain phase inversion if you are using a slider set to dB units This is because the minimum value INF is zero and not a negative value You have to use other units for this purpose You can also use the Mixers as amplifying devices without the need to use shift left modules However you can not do this with just one input For example if you want to amplify a signal by 12 04 dB you would have to introduce the same signal in the 4 inputs and set the control values to 0 dB Knowing that adding two identical signals will increase the original value by 6 02 dB and repeating the operation for the other two inputs we will have the desired value 6 02 6 02 12 04 If we wanted a 10 7 dB amplification we would have to set the control values and adjust them accordingly to obtain the desired value at the output If you double click on the mixer in Edit mode you will be able to edit the control values amplitude values from the Mixer Options dialog box You can choose between editing them in dB float dec hex hertz and miliseconds Mixer Options Edit valuesin Volume of missing dB controls Float Control 1 6 020601 Q Control 2 6 020601 Dec O Hex Control 3 6 020601 O Hertz Control 4 6 020601 Mili seconds In order to optimize DSP power we advise you to start with the first channel and then the channel immediately after and so on without leaving gaps between them 88 25 PITCH TRACKER
63. vailable to the user initially practice teaches us that most of these are not needed in most cases For this reason we have simplified the graphical interface for the provided patches leaving just what you need to run the patch and no more We recommend you and Third Party developers to do the same However you are free to use Advanced mode to edit modify and save your own versions of our patches The modules which you will see most of the time in Reader mode are the graphical modules sliders plasma meters scales scopes text and numeric readouts There is more information about them in the Modules section of this manual chapter 4 However we include here some features which are also used sometimes and apply to most of the modules These are the mute and bypass functions 2 3 1 Mute Muting a certain module means that its output will always be a zero value in the digital domain To mute a module in Reader Mode press and hold the Cmd key until you click on the module you want to mute In this case a cross will appear on the right of the module to show it has been muted Muted multiplier To unmute repeat the procedure 2 3 2 Bypass Bypassing a module means the output signal is identical to the input signal and means the module does not modify the signal To bypass a module click on it with the mouse Some modules have different bypass positions Example a subtraction module has two inputs the input signal and t

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