DUY Silence
Contents
1. Release Deviation Noise This is the curve that contains the reference of the current noise It s the reference that you ll use to establish what is noise and what isn t Therefore you ll be setting the behaviour for the frequencial gates A band value above the one you have set will be considered audio and not noise Anything below this value will be considered noise and something to be rejected Gates This curve represents each band s state when allowing the flow of audio through it or not Theoretically there should be no reason why you d want to edit these gates since DUY Silence s algorithm already controls these values according to the criteria set for the noise reduction Nevertheless it may be useful in some cases DUY Silence lets you pause the calculation of the noise reduction setting the gates to either Hold or Freeze Once in this state the gates can be modified at leisure This means that DUY Silence behaves as a manual frequency control system letting us choose if we want to bypass each frequency band This is somehow an EQ that lets you lower the sound to inf 00 In Hold mode you can range from to 1 0 where 1 0 is a unity gain bypass Attack Deviation Contains the values of the deviation due to the generic Attack slider value It s thought to modify the dynamic behaviour of the algorithm depending on the band s frequency For example on a certain project you2. may want the low frequency response bands to have a faster Attack response given the percussion we re processing In this particular case we d edit the Attack Deviation in the lower frequencies using x0 5 values half as fast double slower The default value is x1 0 unchanged attack deviation The possible values range from x0 1 10 times slower to x10 0 10 times faster Release Deviation Functions exacly the same as the Attack Deviation parameter Please note that the deviation curves for attack and release are totally independent DUY Silence User Manual Page 22 7 3 3 2 Edition Tools The available edition tools are the following Shaped Tool FreeHand Pencil Tool and Eraser a Shaped Tool has 5 different types of available curves Gaussian Spline Cosine Spline Cubic Spline Linear Spline and Step Spline The Size control lets you select the size of the edition The Shaped Tool is always the soft edition tool in the outline and edges so no abrupt changes will occur unless you use the Step Spline control which mathematically produces a discontinuity at the edges The Cursor Value box displays the values of the manual edition it shows the gain and frequency of the chosen band If you are working on more than one band at atime it will display the central frequency b FreeHand Pencil Tool The FreeHand Pencil Tool is controlled with the movement of your mouse drawing an arbit
3. Linear dB and dBq square root of the signal power in dB This last option is not in most educational noise papers but it will allow you to compare noise levels with the usual audio levels and becomes useful when editing the noise curve itself Sliders The Amount value controls the quantity if noise reduction to be applied to the original source Theoretically it should be set at 100 which means that all the noise will be removed However this control will allow you to reduce this value in the event that a certain passage includes a low signal that makes it hard to differenciate between noise and a low signal value that you don t want to remove For instance in crescendos you may want to lower the amount of noise reduction when you surpass the psychoacoustic noise threshold value thus leaving the original signal intact The Threshold value sets the level value above which the audio should not be considered noise This would tantamount to lifting or lowering the noise curve in its entirety The Attack and Release values control the time response for each one of the noise gates These controls act on all gates The Expert mode allows for individual control on each one of the gates if needed Operation Mode The Learn button is a switch that shifts DUY Silence from a normal processing stage to a capturing stage When the Learn button is on it will analyse the signal being p
4. Replace in Gates curve A C poin Pop up Paste Nenu Memory 1 Memory 2 Memory 4 The first 2 items determine the type of pasting you want to perform Paste Intelligent in Curve analyses the source and the final result and pastes the values that will perform the best noise reduction Paste in Curve standard Paste which replaces the current data Both Paste types follow the frequency selection options and you can therefore paste data into specific areas of the spectrogram if necessary The Paste destination is set with the Edit curve buttons The source of the information to be pasted can be obtained either from the A B C recalls or from the Memory panel which has 24 additional memories DUY Silence User Manual Page 29 7 4 Memory panel DUY Silence provides a Memory section at the right side of the interface These 24 scenes which are meant for complex projects that require different settings for various parts of the material function as a simple group of memories which can be recalled at any time To memorize a scene click on the Store button followed by the number you d like to store it on 1 to 24 Each noise scene stores the Noise Gates Attack amp Release deviation curves as well as the slider values Amount Threshold Attack Release and Output and the Run Hold mode To delete a memory simply click on the Clear button followed by the number you d like to era
5. always visible The remaining content of the Tab Pages varies according to your choice 166 6 7 8 dB 35 ms 374 ms DUY Silence User Manual Page 10 7 1 Edition Bar The Edition Bar allows to rapidly access the fast edition functions and the edition organization and search of settings presets DUY Silence s Edition Bar consists of the following parts 7 1 1 Patch Manager Pop Up Menu Ww Basic Hiss Remover The Patch Manager arranges the presets settings documents During the installation process the presets will be placed in a folder named DUY Silence patches in the Preferences directory Note that with all DUY products we also name presets as patches or settings Save dS Save in Patch Manager as Load Preferences Basic Hiss Remover Basic mains f Hum f Pink Family bis This folder contains a series of subfolders that contain the presets themselves The subfolders correspond to the categories of presets within the main root Settings folder The first part of the menu above a separation line includes the managing options such as saving presets Below the separation line you ll see the list of presets grouped in families See image above DUY Silence User Manual Page 11 The functions you can use are a Save as saves the active setting A window will appear allowing you to change the name you would like to give the preset and where you would lik
6. serial number is inserted in capital letters with no spaces and looking similar to this XXXXX XXXXX XXXXX XXXXX where X can be a capital letter or a number The serial number will be provided at the top of your registration card if you have purchased a boxed CD or in the email we provided if you have purchased the software as an online download You must also install DUY Silence s settings included in a separate installer using the same procedure as detailed above DUY Silence User Manual Page 2 2 Inserting DUY Silence in Audio or Aux tracks DUY Silence is presented as a Noise Reduction plug in available as Mono to Mono or Stereo to Stereo We will now show an example of the insertion of the plug in in Digidesign s ProTools Depending on the version of ProTools or other DAE aware application the process of inserting the plug in is done in one way or another Look for DUY Silence either in the list of Mono to Mono or Stereo to Stereo plug ins or if they re arranged by categories families you will find it in the Noise Reduction section 806 Cleaning for Silence no insert TDM plug in EQ Dynamics Reverb Delay Modulation Noise Reduction Dither Instrument Other DUY Silence User Manual Page 3 3 First approach to DUY Silence s interface This is DUY Silence s edition window in Basic Mode my Audie e DUY silence RTAS H cfactory default Gq compare 9 Basic Hiss Rem
7. DUY Silence Users Manual h QUICK Star aanne O eae A eka Inserting DUY Silence in Audio OF AUX tracks 0 eeennnnninnnnnininninnnnniinnnen First approach to DUY Silence s interface Quick use guide What is DUY Silence Poe eee ROU SUR ER EOE SURE Ce ces ere re cere rr cer rc reese cere rer re reece rere rer errr errr reser errr ces re reese errr reser reer errr eres rrr rece seer rere r rrr rer rrr rer irri i rir rer sy D PL a Se WY Poe eee eRe CECE CCU E CEC Ee eee Serer eres eer rece seer rece c ere rec err re rere re cer rer rer creer rrr reser errr reser reser rrr rer ir irre srr i terri irs 6 1 Basic Mode 6 2 How to capture noise Pre ee eee eee SUC eRe Ce eee ere cec reece cer rrr reser rrr secre errr rer reser rer rer re ree rer reer errr rec re reese errr rer re rrr rer rr eres rer re rrr rrr rec rere rer re ere creer errr rere errr r rs Pre eee eee ee SUR CU ECU see ere cec rer reser ere re ceri rarer err cer errr ese rrr sre re creer reese errr re srr r reser rr rec rr reer errr eres rrr re reser errr rrr rere r rrr sy 7 DUY Silence sections mnie 7 Ges R 6 C6 1a hl 972 aaa ae ae ome nee E E E 7 1 1 Patch Manager page 11 7 1 2 Edit Buttons page 13 7 1 3 Memory Buttons page 13 7 1 4 Help page 14 7 2 UNDUE SOCHOM reteset at a ec a A ce eetrilial 7 3 Tab Pages Section DUY Silence s Modes 7 3 1 Introduction Nature of noise page 16 7 3 2 Basic Page page 18 7 3 2 1 LCD Display 7 3 2 2 Spect
8. The value is shown in a box at the top left of this section 4 15 khz 42 31 To see the exact value at any given point of the curve not just the value according to the mouse position click on the Shift key This will show the curve value DUY Silence s spectrogram can also display several signals at a time To do so simply select the Display options you desire Display Moise Input Gates Atta The following page shows the display for each one of the curves in the spectrogram according to the highlighted selection DUY Silence User Manual Page 25 Display Moise Input Gates Atta eld TUTTE Noise selected Input signal selected ST ae tT Gates selected oise Input Gates Atta Rela Attack deviation selected oise Input Gates Atta Rel Release deviation seleccted oise Input Gates Atta Rel Ty NUTT TTL ALT sansa dati iia iait AN NH ik TNH Noise Input Attack and Release deviation For greater precision you may also use the Zoom option which will allow you to control your noise with amazing versatility throughout the horizontal axis DUY Silence User Manual Page 26 7 3 3 5 Range and Frequency Selection DUY Silence lets you select edition intervals in the following way e On specific established ranges e On pre selected sections of your curve These two options allow you to work over independent frequency areas in order to adjust them in different ways if your pr
9. button and save the content of the screen the lettering will turn black If you want to empty a memory click on the button while holding the Opt key If you would like to load all the memories in a circular way click on the Rotate button If you only have memories A and B full the sequence in rotation from one memory to another will be A B A B DUY Silence User Manual Page 13 7 1 4 Help DUY Silence has Help Balloons and also Spoken Help you will need the Speech Manager in your system for Spoken Help to function To use any of these two click the respective icons Ladi ad DUY Silence User Manual Page 14 7 2 Output Section The output section is formed by the Output control and the output level value box DUY Silence also provides an output level control to allow for fine tuning of certain fade out tails gains in order to minimize the noise in some mixes The Output ranges from O dB no gain change applied to INF corresponding to a total mute of the signal DUY Silence User Manual Page 15 7 3 Tab Pages Section DUY Silence s Modes DUY Silence contains 2 edition or operation levels Basic and Expert These 2 levels are also called modes tabs or pages in this manual You can switch from one to another by clicking on any of the 2 tabs that correspond to each mode Whenever you save your audio session DUY Silence will remember the mode also called Page or Tab you were using f
10. curve White Adds a synthetized White noise curve to the current state of the curve The scale can be set to Linear dB or dBq This will affect all the spectrograms on all the different pages within DUY Silence Each spectrogram has an auto range system to see the entirety of the available curve However the edition area within the Expert page has a better control over the range to simplify the change of level At the top part of the Expert page you can see the current range and 2 arrows up and down which allow you to change the visualization and edition range if possible since showing all the curve on screen is not always possible To decrease the edition and visualization range simply click on the Down Arrow in the Range section To increase it click on the Up arrow If you click outside the arrows the Auto Range will select the best possible range adapted to the existing curve DUY Silence User Manual Page 24 7 3 3 4 Spectrogram in depth The spectrograms used in DUY Silence are a representation of the output gain vertical axis in dB linear or dBa for each frequency horizontal axis Any signal noise or not can be represented in the frequency domain with a bar whose height represents the level in a particular slot of frequency Lower frequencies on the left higher frequencies on the right You can visualize the gain value of the represented signal by just placing the mouse over any position of the spectrogram
11. e to store it on your drive b Save in Patch Manager as Does exactly the same as the standard save as function but the setting is saved directly into the main folder where the current settings are stored c Load allows you to select a settings document and open it to apply it to your audio d Preferences Shows the options you have within the Patch Manager Patches Preferences wi Cache On Cache Patches fe Cache Patches when needed d Select Root Folder Y Re Build Patch list Cache On allows you to activate the loading of all the presets in memory so that the system doesn t have to read from disk each time a setting is used This is helpful to reduce the time of reading to disk Cache Patches When the cache on is active if you select this option all the presets will be loaded when you use DUY Silence for the first time Cache Patches when needed If you select this option only the presets that are called or used during a session will be saved in the cache Select Root Folder allows you to choose the folder that contains the structure of subfolders that holds the presets You can have an infinite presets folders in your hard disk but only one can be active at a time So if you prefer to change the name of the folder or where it is stored in your hard drive you can manually move it and then select the position where it s located by using this option Once you have done this click on t
12. he Re build Patches List when you click OK if you would like the list of presets to be refreshed DUY Silence User Manual Page 12 7 1 2 Edit Buttons Copy Paste Undo Redo These buttons allow you to copy paste undo or redo If it s not possible to use a certain function the button will be tagged in lighter gray This will occur for example if there is nothing to Paste which would mean you haven t clicked Copy first Ti q E Copy will copy the state of a whole screen This information can then be pasted using the Paste button in this instance of DUY Silence or in another The Undo and Redo buttons allow you to return to the previous or next state after your last edition A history of the last 10 editions is stored Therefore you have 10 levels of Undo or Redo If you would like to clean the history or stored states click on the Copy button while holding the Opt key In depth the Copy function acquires data of the plug in and audio scene the noise contents and the plug in s parameters 7 1 3 Memory Buttons A B C D E F The A B C D E F buttons are temporary memories which are useful in many cases For example if you would like to compare several settings To save a screen state to one of these memories simply click on the memory button A B C D E or F If the memory is empty the button will be highlighted in gray Once you click on the
13. input signal 7 3 2 3 Audition Mode When set to Normal the plug in will output the processed sound that is the original audio with the noise having been removed When set to Noise you will only hear the noise being removed This tool allows you to evaluate the quality of your noise reduction according to the values you have set on the available controls Please note that while set to Noise it s normal to hear some of the original audio signal the lower levels DUY Silence User Manual Page 19 7 3 2 4 Scale It s vital to compare the noise with some form of reference Observing and analysing the noise can be complex if you don t have some sort of reference that relates it to the overall audio sample This is where the Scale parameter comes into the game If you re just studying the maximum points of a curve the Linear scale is perfect For generic audio analysis the dB scale is the most usual In the case of noise we need to analise the minimum levels of the signal We have created a scale called dBq based on the square root of the standard dB scale This scale lifts the lower values visually making it ideal for the study of noise Lets s see the same signal using 3 different scales Lin Scale dB Scale dBq Scale DUY Silence User Manual Page 20 7 3 3 Expert Page The Expert page contains tools that allow you to perform a very powerful manual control and edition of your noise helping
14. it to be in the Expert mode The plug in interface shows a graph with the captured Noise curve or any other analysed signal as well as a progress bar The system is optimum when the analyzed noise is stable which means you have played enough representative information to DUY Silence while in the Learn process which captures your sample This is represented by the progress bar below the curve The bar should be at 100 to consider the analysis finished DUY Silence User Manual Page 16 You can always perform additional analysis for greater precision by using Loop mode in your host sequencer in the event that you have a very short sample or if you want to evaluate several sections and accumulate the results by simply clicking on the Learn button again at any time you re playing through a section you want to analyse If you clicked on the Learn button the learning process will be automatically stopped when DUY Silence understands it has gathered enough information It s at this stage that you can use other edition levels and adjustments to your polish your resulting sound by using the tools in the Expert mode We insist that you can always click on the Learn button again to gather more information on the characteristics of your Noise but please remember to stop it yourself once you have played through your section enough The more information you gather the more exact the Noise curve will be Clicking on the Reset button wil
15. l erase any Noise data captured If you load any of the provided presets the spectrum on the captured Noise will be replaced by the characteristics of the loaded preset So if you have captured the frequency characteristics of your noise you should this information somehow to avoid losing it before loading a preset Once you re satisfied with the calculations of your Noise save this as a preset setting to use it in the future DUY Silence User Manual Page 17 7 3 2 Basic Page Within the BASIC mode users have access to the indispensable tools to capture the noise which will be analysed Basic tools are provided to achieve a first approach to the reduction of the present noise The sections within the Basic mode are the following Message shows the status of the progress in capturing the noise sample and displays messages or important suggestions and instructions that the system may need to give you Audition Mode When set to Normal the plug in will output the processed sound that is the original audio with the noise having been removed When set to Noise you will only hear the noise being removed This tool allows you to evaluate the quality of your noise reduction according to the values you have set on the available controls Please note that while set to Noise it s normal to hear some of the original audio signal the lower levels Scale Allows you to change the visual scale to 3 available modes
16. layed processing it in order to know and understand its frequencial character It s important that you have access to some section of the original audio with no other signal than the noise itself However DUY Silence also includes tools to generate a reference noise signal by itself The Reset button clears all the captured information DUY Silence User Manual Page 18 The process of searching for noise depends on the track s own nature Generally noise can be found at the beginning or end of a track If you re removing noise from a solo instruments the parts where the instrument is not performing are the most useful to obtain a good noise sample If you re trying to remove noise from old audio tapes cassettes magnetic media reels the beginning of the tape where no sound is recorded provides an excellent noise sample inherent to the media itself 7 3 2 1 LCD Display The LCD display shows the status of the progress in learning and the messages or important suggestions instructions that the system may need to give you 7 3 2 2 Spectrogram The Spectrogram is a graph that displays the Noise spectrum and if set in Expert Page the Input Signal in realtime Realtime Input Signal Captured Noise Its extremely important that you compare the captured or synthesized noise with the input signal in order to make precision adjustments or simply to be aware of the noise characteristics in comparison to the
17. move any noise acting as Bypass and usually you will use an intermediate value o Threshold allows us to control the level value at which we want the noise gates to open or close The Expert mode allows to freely control each one of the available frequential bands as you like o Attack and Release These controls are extremely important They determine the period of time for opening and closing the noise gates You can also change the attack and release times for each individual band if you need a high degree of control over your noise e Inthe Output section of the interface a slider control allows you to control the output level A set of memory scenes is also provided for complex projects with variable noise conditions throughout the material DUY Silence User Manual Page 5 4 Quick use guide We sincerely recommend reading chapters 5 6 and 7 of this manual which include detailed explanations of all sections and tools within DUY Silence To clean the effect of noise on your audio material with DUY Silence insert the plug in in a track and press Play on your host system locating a portion of isolated noise However we don t always have access to such a section which is why we ll often have to select a short and controlled portion of audio and perform several checks throughout the track in Loop mode Click on the LEARN button of DUY Silence in order to start your audio analysis Yo
18. oject requires you to do so The Frequency Selection tool consists of 3 buttons and a non linear selection bar Freq 172 3 Hz Edit On The buttons in the Frequency Selector area are All Selects all frequencies and makes them available for the entire edition None Unselects all bands This button can be used to start a selection from scratch Invert Inverts the state of the selected frequencies by selecting the unselected frequencies and unselecting those frequencies which were previously selected This button can be useful for example if you want to balance a previous edition over the frequencies which were previously selecting by acting on the remaining range The random selection bar is located above the spectrogram Its width and position correspond to each one of the system s bands Click and drag to select multiple bands at a time The box showing the values will indicate if the band is selected or not Edit On Edit Off Hold the Cmd key followed by Clicking and dragging over the bands to make a continuous inverted selection This method allows you to edit modifiers use the Tools and even collect noise only in the selected frequencies very useful if you re working on specifically critical parts of the spectrum DUY Silence User Manual Page 27 7 3 3 6 State Run Hold DUY Silence allows you to pause the reduction algorithm setting the noise gates to Hold or Freeze state Once they
19. onal features allowing extraordinary control over the lowest level of operation and gives the possibility to edit the noise partially in order to satisfy the needs of advanced requirements for demanding users The simplest or most complex situations can be tackled with DUY Silence often giving excellent results with the simple tweak of a few controls DUY Silence User Manual Page 7 6 How does DUY Silence work DUY Silence is a noise reduction system It analises the audio contents in the frequency domain by capturing or generating noise for analysing visualization edition comparison with the original signal isolation and rejection using an automatic gating system which can also be configured manually As a tradition DUY couldn t create a simple and normal noise reduction plug in DUY Silence allows you to interact with every element present in the system from the edition of over 1000 noise gates s level gain to the control over the dynamic behaviour of each one of these gates individually The possibilities of DUY Silence are therefore extraordinary At the same time however it s also possible to obtain a great performance on most materials with just a few clicks We have divided the interface into 2 sections which can be used complementarily or not depending on the degree of control you want to achieve These 2 sections are e Basic e Expert 6 1 Basic mode Message Ready to capture select audio wi
20. or the next time the session is recalled 7 3 1 Nature of noise Noise appears typically on low quality video and audio tapes From a frequency point of view low frequency noise originary from the devices used to record the piece of audio is the most usual type of noise In the U S A electricity is a sine wave sinusoid at a frequency of 60 Hz while in Europe for example it s centered at 50 Hz These frequencies and their harmonics can damage the overall quality of our sound The greatest part of energy in human voice is contained in frequencies between 200Hz and 3 Khz which is why telephone lines use filters to cut out signals outside this range and therefore we can t understand the difference between an s and an f on the phone since the frequency contents for these consonants are above 3 KHz The human voice spectrum range is quite problematic since the human ear has greater sensitivity in general throughout those frequencies Noise above 7 KHz is usually easier to clear from a track since it has a certain frequency pattern and morphology which can be traced similar to white noise and lowering slopes as frequency increases In all cases having access to the isolated noise is most effective solution to clear it from the audio track If we don t have access to a noise sample separately we must at least evaluate the level and frequency contents in order to manually draw an approximate curve of how we expect
21. over Basic Expert OUY silence Memory Message Ready to capture select audio with noise and press the Learn button Store Clear Sit sed eee ee ees rs zi E a E J Audition Mode A nt 48 0 Qperation Mode Normal Nolse Threshold F 7 4 dE eee ee E Scale Atttack 30 me Th a ay Release i ava ms Range 46 00 dE z 10 11 8 68 dE DUY Silence is formed by e An LCD Display section that provides information and instructions on the operations of the plug in and its basic use e A section to control de Audition mode Normal and Noise The first allows you to listen to the final result the original source with the noise having been removed The second will let you hear the removed noise alone for callibration and testing purposes e The Scale section lets you change the visualization scale on the graph displayed on the central part of the user interface The nature of the information shown on the interface can be programmed in the Expert Mode e The Operation section includes two controls the Learn button to be clicked to start capturing your audio source and the Reset button to clear all information captured up to that moment DUY Silence User Manual Page 4 e The Basic Page of DUY Silence includes 4 generic controls for faster operation in order to remove noise o Amount Controls the amount of noise removed 100 will remove all the noise programmed according to your controls 0 will not re
22. rary curve Due to the nature of the movement of your mouse the resulting Curve you draw may not be precise For this reason we provide additional help to compensate for the drawing errors See the Transform section Additional FreeHand Pencil Tool controls Shift key pressed drawing draws a horizontal line to leave the bands gain constant Alt key pressed drawing draws a neutral equalization curve 0 dB gain for all the drawn frequencies Cmd key pressed drawing draws an EQ curve with a dB minus infinite dB gain c Eraser Tool deletes the frequential contents dB gain for the selected frequencies DUY Silence User Manual Page 23 7 3 3 3 Modifier Section At any time you can undo the last edition softly with the Fade control Fade Last Edition located in the Transform section Clear 40 dB Smooth Random bain ak bain i Fink White e This section has 8 Modifier buttons Clear Cleans the curve replacing all values with zeroes 40 dB Sets the maximum Peak of the curve at 40 dB Smooth Smoothens the transitions between bands and is especially useful when there are abrupt changes in gains between one band and another Random performs random changes for each frequency band Gain Up increases the gain of all bands in the same proportion Gain Down decreases the gain of all bands in the same proportion Pink Adds a synthetized Pink noise curve to the current state of the
23. re in this state the available controls for the gates can be modified This means that DUY Silence behaves as a manual frequency control system letting us choose if we want to bypass each frequency band This is somehow an EQ that lets you lower the sound to inf 0 In Hold mode you can range from o to 1 0 where 1 0 is a unity gain bypass 7 3 3 7 Gates Open Close DUY Silence allows you to manually open or close all the noise gates This is meant for controlling the response s sensitivity Attack Release and both Deviation curves If you want to evaluate the response time for the gate to open we force it to Close and observe the behaviour of the processed material in comparison to the values provided by the algorithm DUY Silence User Manual Page 28 7 3 3 8 Pasting in Curve with criteria DUY Silence also lets you transfer data from other memory zones into your Current scene Let s say you have a setting with white noise captured from a tape reel in our studio and on the other hand we have a 60 Hz mains noise on a recorded guitar track How can we combine them The plug in interface has two systems for memorizing states and settings Memories A B C from the Edition Bar See section 7 1 3 Memory scenes from the Memory panel See section 7 4 By using the pop up menu located at the top left of the spectrogram you can see the Paste menu Paste Intelligent in Gates curve
24. rogram 7 3 2 3 Audition Mode 7 3 2 4 Scale 7 3 3 Expert Page page 21 7 3 3 1 Edit Curve Selection 7 3 3 2 Edition Tools 7 3 3 3 Modifier Section 7 3 3 4 Spectrogram in depth 7 3 3 5 Range and Frequency Selection 7 3 3 6 State Run Hold 7 3 3 7 Gates Open Close 7 3 3 8 Pasting in curve with criteria 7 4 Memory panel DUY Silence User Manual Page 1 1 Quick start Please read DUY Silence s Installation Guide to install the software You will find it included both in the Downloaded version or in the CD you purchased according to the version you chose when you purchased the software If you have purchased DUY Silence as an online download make sure that the software has been downloaded correctly Once you uncompressed the downloaded file which is a disk image dmg double click on it This will mount a volume folder Open it One of the files it contains is the installer for DUY Silence It should look like this Install DUY silence If the icon looks different it means that you may have had some problem during the download and the file may be corrupted Therefore please download the file again and repeat the process To install the software double click on the Install icon Read the License Agreement very carefully and click on the Agree button only if you agree to accept the terms and conditions of the provided license agreement You will be asked to enter your serial number Please enter it Make sure the
25. se DUY Silence User Manual Page 30 This guide is copyrighted 2008 by DUY with all rights reserved Following copyright laws this software manual may not be duplicated in whole or in part without the written consent of DUY All trademarks are the property of their respective owners Features and specifications may be subject to change without notice DUY Silence User Manual Page 31
26. th noise and press the Learn button Ss Audition Mode Amni 160 6 Operation Mode Normal Nolse Threshold 7 8 dE lam Reset Scale Attack 35 ms Tin dl dig Release ard ms Range 40 00 dE Within the BASIC mode users have access to the indispensable tools to capture the noise which will be analysed Basic tools are provided to achieve a first approach to the reduction of the present noise DUY Silence User Manual Page 8 6 2 How to capture Noise DUY Silence must collect as much information as possible in order to understand the nature of the noise to be removed To capture the noise sample click on the Learn button which can be switched on or off at any time by clicking on it again DUY Silence User Manual Page 9 7 DUY Silence sections sasic Hiss Remover Copy Undo Edit Bar Page Selector Basic Expert g mory Message Ready to capture select audio with noise and press the Learn button ore ear Common Reduction Controls r eel e r el S Normal Noise resho Learn Reset Scale Memory Section Spectrogram Output Section Input Output Readout DUY Silence s window is formed by several parts in common which are always visible regardless of the level or the type of edition mode active at the time The central part is controlled by tabs Basic Expert which allow you to select the edition mode The Output section the Noise Reducion slider section the Memory section and the Edition Bar are
27. u can stop and restart the analysis at any time by clicking on the same LEARN button Once you have started the LEARNING process you will be able to modify any parameter and also select any of the available settings When the PROCESS bar is complete this will mean that DUY Silence has already enough information to clean and reduce the noise in your audio track Use the Audition section of the interface to switch to Noise mode if you want to hear the signal being removed from your audio source ideally this should be the unwanted noise It s somewhat normal to hear some audio in the Noise mode since the amount of noise or signal reduction is dependant of the threshold value To hear the final result of applying DUY Silence to your track you should switch to the Normal audition mode DUY Silence User Manual Page 6 5 What is DUY Silence DUY Silence is a high quality tool that allows you to clean certain undesired audio frequencies classified as noise Therefore the software is a Noise Reduction plug in With DUY Silence you ll be able to collect information about your noise using an analysis method by capturing the track or portion of a track that you d like to work on You can visualize the noise on the user interface in order to edit it according to your needs and criteria using a complete and intuitive set of tools In addition DUY Silence is not a standard Noise Reduction plug in It provides additi
28. you achieve the desired noise reduction Range Scale Audition Modifiers do 66 dE Cin dE dig Normal Noise Clear 40 de 2a eee Smooth Random Amount 166 8 Gain ik Gain j 1 A l Threshold lA dE PAE S Attack j 35 ms e N ee Release m srt me Gates Open Close Display Edit Moise Input Gates Atte Rela Noise Gales Ana Rela Learn Reset These are some of the features of the Expert mode Selection of different editable elements the captured noise curve the state of each one of the noise gates the controls over attack and release for each gate Gate control with Run Hold mode Zoom display Partial edition of each one of the editable elements not requiring a linear or contiguous criteria A selection bar is provided to choose the frequency bands you want to work on Size configurable tools that enable you to edit and actually draw the curvell Several proprietary display modes All the settings of the Basic mode are retained for greater ease of use Fade control over the last edition to allow for an infinite granularity of the modifiers Paste of other noise sources previously captured to create complex noise rejection curves DUY Silence User Manual Page 21 7 3 3 1 Edit Curve Selection A 4 button section allows you to select the curve youd like to edit Edit Moise Gates You have 4 different options Noise Gates Attack Deviation and
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