Etch Red Manual
Contents
1. Rack Extension a je ae ST 3 x a A f Es F i OPERATION MANUAL 2 Etch Operation Manual Table of Contents 1 1 2 1 2 2 2 3 3 1 4 1 4 2 4 3 4 4 9 1 9 2 9 3 1 Introduction Using Etch Red in Reason ss 2 Etch audio modules and signal path 3 Using TransMod modulation in Etch Red TransMod modulation SOUICES ccccccccccccnccccccccccccccccennnnnseeeseeeees 4 Etch internal modulators ENVELOPO A at ocre casa Rs tee loterie nee EFOT and LROZ ss a sn ocy PO OW za qo das dt a Sample and Hold SA sui dc nd nent duel ueu tunes 5 Filter response curves Japan filter yp session in SN nn ne OV TING DR en ne RR A Fatty and Comb filter types ss 6 Credits HR RO u o oba to 19 2012 FXpansion Audio Introduction 3 Introduction Etch Red is a dual filter Rack Extension effect with distortion and compression It features extensive modulation possibilities using its internal TransMod modulation system which allows complex intricate modulation of the filters Epas 4 1 k gt out Init Patch ETCH REG DRIVE ros FILTER 1 Key Track FILTER 2 Bi Freg link Parallel OUTPUT T T T Cut Dut a U Hg EM LFO i Le a FMLFO z E ch Diode dy EEE 9 CIM d y Japan n S UM Rar in Pan Level 21 ETCH 1 MODULATION lal Envelope SOURCE SELEC2. envelope filtering effects Alternatively try modulating the filters Freq control especially with the Velocity button enabled I i j ke Velocity button Ju By default the Envelope output is not dependent on incoming gate or note velocity With the Velocity button activated incoming velocity dictates the level of the envelope output Ri Atk Attack The Attack is the time taken for the envelope to rise from O to a value of 1 Hid Hold The envelope is held at a value of 1 for the duration of the Hold time Dcy Decay The Decay is the time taken for the envelope to return to O Crv Decay Curve The Curve setting controls the shape of the Decay stage At low settings it has a linear decay behaviour while at high settings the curve is exponential Gain w TransMod amount The Gain control offers a final attenuation control for the output of the module before it enters the TransMod modulation system At 100 no attenuation is applied to the output modulation signal This control is intended to be modulated by other TransMod sources for dynamic evolving modulation effects Envelope connections Gate input The Envelope requires a standard Reason gate signal with velocity to be connected to the Gate input on the rear panel It also responds to notes from Reason s MIDI input or sequencer Env output The Env output provides the output from the Envelope modulator so that it can be used to mo
3. gt 9 It is possible to change the position of the Distortion module before default configuration or after the filter stages using the Post button ETCH 1 Distortion routing Filter routing By default Filter1 and Filter2 are arranged in series It is possible to change this to a parallel routing using the Parallel button on the Filter2 module Parallel routing is useful for stereo filtering Filter output levels The Output module contains the final level controls for Filter1 and Filter2 labelled F1 Out and F2 Out Power buttons The Drive Filteri and Filter2 modules feature a Power button deactivate it to bypass the module Le ca In this example the Drive module is active powered on while the Filteri module has been deactivated powered off To bypass Etch Red entirely you should use the standard switch control at the top left of the device 2012 FXpansion Audio 8 2 1 Etch Operation Manual Drive The Drive module allows you to apply various flavours of overdrive and DRIVE Bros distortion to the signal prior to or after Etch Red s filtering stages Type nos Power O Diode E The Power button activates or bypasses the Drive module Drive Post The Post button toggles the position of the Drive stage before or after the filtering stages By default it is deactivated meaning that the distortion occurs before the Filter stages Enabling the button results in placing the Drive af
4. Reason s MIDI input and sequencer This input in addition to the rear panel Pitch Gate inputs is used for modulation functions which require a pitch or gate input LFO1 and LFO2 Retrigger These inputs accept gate type CV signals when a suitable gate signal is received at each input the relevant LFO is retriggered it is restarted according to its current Phase setting S amp H Retrigger This input is intended to be patched to an external gate or square wave LFO source to trigger the Sample amp Hold modulator function in addition to its internal clock TransMod modulation CV outputs These CV outputs provide the output from Etch Red s internal modulators so that they can be used to modulate parameters elsewhere within Reason Simply patch the outputs to suitable CV inputs on another Reason device The LFO1 LFO2 and S amp H outputs transmit unipolar 0 to 1 or bipolar 1 to 1 modulation depending upon the state of each modulator s Unipolar button described in chapter 3 2012 FXpansion Audio 2 Etch audio modules and signal path 7 Etch audio modules and signal path Etch Red s audio modules are arranged from left to right in the default routing configuration DRIVE ros FILTER 1 B key Track FILTER 2 Bi Fr ting Parallel OUTPUT T Fi Out Cut g Type Type Mode EM LEO E ype de EM LEO O u ty Diode T Jaran 1 KI LISE a 1 1981 Drive Freg Rez Freq Rer FM Pan In FM Pan Level 7 Pa r
5. sets the level of the audio entering the filter Audio at higher levels drive the filter harder internally leading to more saturation and a grittier timbre Dial this control back in order to achieve warmer sounds Freq w TransMod amount The Freq control sets the cutoff frequency of the filter While this parameter features its own TransMod amount knob it is also possible to use direct modulation from LFO1 LFO2 or the FM Override CV inputs using the FM parameter Rez Resonance w TransMod amount This control sets the amount of resonance or emphasis around the cutoff frequency Higher Rez settings lead to filter self oscillation effects FM w TransMod amount The FM control sets the amount of direct filter cutoff frequency modulation applied from the active FM source By default LFO1 is used for the FM function This can be changed to LFO2 using the FM LFO switch You can also use the Filter1 FM and Filter2 FM inputs on Etch Red s rear panel to use any audio signal from elsewhere in your Reason session FM LFO switch Each filter s FM LFO switch selects between LFO1 and LFO2 as the FM source unless the Filter FM inputs on the rear panel are used Pan w TransMod amount Each filter can be panned anywhere within the stereo field using the Pan control This parameter can be modulated for auto panning effects Filter connections Filter FM inputs The FM inputs override the LFO1 or LFO2 routing to the filter FM f
6. the Follower Envelope Follower and Sample amp Hold internal modulators in Etch Red Follower With nothing patched to this input the Follower module follows transients in the input audio signal audio routed to the Main input Patching an external audio signal into this input makes the Follower track transients in this signal instead Sample amp Hold With nothing patched into this input the Sample amp Hold module acts on a dedicated internal noise generator the source that is sampled and held If an external audio signal is patched into this input it is used instead of the internal noise source TransMod modulation CV gate inputs CV1 and CV2 These inputs are used for the CV1 and CV2 TransMod modulation sources Each of these inputs features an attenuator for fine tuning the level of incoming CV signals 2012 FXpansion Audio 6 Etch Operation Manual Pitch Gate These inputs are related to various functionality within various TransMod sources and internal modulator devices in Etch Red The Pitch input is used for e the Pitch TransMod source which lets you modulate parameters according to incoming note input e the filter Key Track function which allows precise note to frequency tracking for the filter cutoff The Gate input receives velocity sensitive gate CV signals and is used for the Envelope modulator and also the Velocity and Random TransMod sources Note Etch Red receives MIDI note input from
7. 1H 2N 1L 8ve Japan 2N 2N 8ve A Japan 2N 2N 8ve B AC NC 2012 FXpansion Audio 26 Etch Operation Manual 5 2 SVF filter type SVF 2L SVF 4L SVF H2 SVF H4 SVF 2B SVF 4B O 2012 FXpansion Audio Filter response curves 27 SVF 2N SVF 4N PT SVF 2P SVF 4P SUN O 2012 FXpansion Audio 28 Etch Operation Manual 5 3 Fatty and Comb filter types Fatty Fatty Lowpass Fatty Bandpass Fatty Highpass Fatty Notch Comb Comb Positive Comb Negative O 2012 FXpansion Audio Credits 29 Credits Programming Jamaine Obeng Steve Baker Paul Chana GUI design Steve Baker QA Drew Vernon Tom Meaney Mike Bugh Sam Gillies Video Rory Dow Sound design Drew Vernon Tom Meaney Mike Bugh Jamaine Obeng Sam Gillies Documentation Mayur Maha Image design Rus Brockman Web development Andreas Schnetzler Sam Sharp Rob Philp Project management Steve Baker Artist Relations Clare O Brien Support Alex Volmer Ryan Sellers Additional contributions Angus Hewlett Rhiannon Bankston Thomas SKoT McDonald FXpansion USA Terry Hardin Leslie Crook Special thanks to Propellerhead Software and the Propellerhead test pilots 2012 FXpansion Audio All trademarks acknowledged Mac is a trademark of Apple Inc The Built for Mac OSX graphic is a trademark of Apple Inc and used under license Windows is a trademark of Microsoft Corporation Reason and Rack Extension are trademarks of Propellerhead Softw
8. Click the up down buttons to cycle through the available Types or click the display to select from a drop down menu See chapter 5 for filter response curves of all Types and Modes in Etch Red Japan This filter type is a classic Japanese monosynth filter based on cascaded OTA components The Japan filter offers a large variety of filter Mode settings As well as conventional 2 pole and 4 pole low pass band pass high pass and notch filters it also features a 2 pole peak filter response and a number of additional combinations of low pass high pass notch and peak filter outputs which provide a huge range of possible sonic effects SVF This filter is a typical state variable filter SVF design offering 2 pole and 4 pole low pass band pass high pass notch and peak filter responses using the Mode control 2012 FXpansion Audio 10 Etch Operation Manual Fatty The Fatty filter is an OTA based Sallen Key filter design offering low pass band pass high pass and notch Mode settings Comb The Comb filter is great for all sorts of uses especially lush detune and chorus textures resonant special FX and sounds reminiscent of flanging and phasing When the Comb is selected 2 Mode settings are available negative and positive Mode Each filter Type offers a number of different Mode settings The number and nature of the modes available depend on the current filter Type setting In w TransMod amount The In control
9. TION ENVELOPE m LFO 1 TO FOLLOWER E sat mi Bw a Sin Shape Ba Sin EZ shape Byer Bs Atk Hid Dey Crw Gain Rate Mph Phs Gain Rate Mph Phs Gain Atk Oey Lvl Gain Rate Slew Gain sh U by I E F s I TT 111 7B Etch Red Layout Etch Red s interface is laid out in 3 sections from top to bottom e Audio path the Drive Filter and Output modules e Modulation source selection this area lets you select a modulation source to edit its modulation depths for parameters e Internal modulation sources the Envelope LFOs Follower and Sample amp Hold provide a variety of ways to modulate Etch Red s parameters Etch Red also features a number of inputs and outputs on its rear panel which allow you to inject external audio and modulation sources and also to route the output of the internal modulation sources to other destinations in your Reason session Standard controls indicators Bypass On Off This control exists on all Reason devices for managing the state of the entire device Input meter This meter represents the amplitude of the audio input signal Patches Etch Red features programmable effect presets called Patches It includes a number of factory Patches which can be used as they are or provide you with a good starting point for further tweaking Patches use the repatch file extension Loading and saving Patches is done in the same way as for other instruments and effects in Reason using the Pa
10. are AB References or use of logos or trademarks do not necessarily constitute or imply an endorsement or recommendation by Propellerhead Software Other trademarks mentioned are held by their respective owners 2012 FXpansion Audio
11. dulate parameters in other Reason devices 2012 FXpansion Audio 18 Etch Operation Manual 4 2 LFO1 and LFO2 Etch Red s LFOs can operate at audio rates LFO 1 EO ros reaching speeds of 1024 Hz These speeds Es lt are intended to be used with the dedicated BA sin a uti BA sin aa ti FM function on each filter module Rate Mph Phs Gain Rate Mph Phs Gain The TransMod modulation from the LFOs is 3 m always guantized to control rates 1 1L m Sync button With the Sync button enabled the Rate control is set in BPM values derived from the Reason tempo With the Sync button disabled the Rate control is set in Hz The Sync function must be deactivated to achieve audible LFO rates to use with the filter FM function The behaviour of the Sync function is explained in more detail here Rate W TransMod am ount The Rate control dictates the speed of the LFO s oscillation Shape The Shape selector allows you to choose one of several waveform shapes Click the up down buttons to cycle through the available shapes or click the display to select from a drop down menu Sawtooth Sguare Sine Triangle and Arc Sine A Sine shapes are available Mph Morph The Morph control shifts the centre point of the waveform without altering the wavelength It is similar to a pulse width control in that it varies the duty cycle of the waveform Phs Phase The Phase control allows you to adjust the
12. e parameter e Turning them to the left causes negative modulation PF Ba gm Note that the LED above the TransMod amount knob has turned yellow this indicates that the knob features a modulation depth for the current source Also note that the LED to the top right of the S amp H source s selector button has turned red to indicate that modulation exists to one or more parameters from that source TransMod depths The defined modulation depth represents the maximum amount of modulation possible from the initial value of the parameter defined by its main black coloured knob with the current TransMod source The changing intensity of the TransMod source as well as the combined effect of any other TransMod sources which have been routed to the parameter dictate the actual modulation that occurs at any one time O 2012 FXpansion Audio Using TransMod modulation in Etch Red 13 Using multiple modulation sources Select another modulation source such as the Follower Create a modulation depth for a source parameter Note that the Pan parameter s TransMod amount knob Note that the LED above the Rez has snapped back to zero due to the fact that no parameter s TransMod amount knob has modulation yet exists from the Follower source to the turned yellow which indicates that it Pan parameter features a modulation depth from the Also note that the LED above the Pan s TransMod current source amount knob has turned red This ind
13. ey Track function allows you to play Etch Red s filters using MIDI keyboard input via Reason s seguencer or from other modules such as the Matrix seguencer 2012 FXpansion Audio Introduction 5 1 1 Using Etch Red in Reason Etch Red is a Reason Rack Extension In use it is operated in a very similar way as any other device within Reason the front panel houses Etch Red s controls and built in modulation functions while the rear panel features a number of audio and CV inputs and outputs Rear panel audio and CV gate connections S ETCH RED MAIN IN OUT LTER FM INPUT OVERRIDE INPUT V Left iO oo E LE ye i E Oy we I 3 A P E KM AN i overrides LFOs RANSMOD MOWUL TION INPUT 1 Select modulation source middle section 2 Set modulation amount using the parameters red knob parameter can be modulated by more than one source Main audio in out Etch Red features stereo audio inputs and outputs in the Main In Out section If only one of the inputs is connected this signal is duplicated to the other channel Filter FM audio inputs The Filter1 FM and Filter2 FM inputs override the default routing of LFO1 or LFO2 to the audio rate filter FM function on each filter These inputs are for audio signals only CV sources should be connected to the CV1 or CV2 inputs and routed to the filter cutoffs via the TransMod system Override audio inputs These audio inputs override the default signals used for
14. he Freq control because it results in perfectly accurate pitch tracking For key tracking both filters together it is necessary to activate the F1 Freq Link button Fi Freq Link Filter2 only With the F1 Freq Link button selected adjusting or modulating the Freq control for Filter1 results in the same changes being applied to Filter2 The value of the Filter2 Freq control is added to that of Filter1 so its value acts as an offset to the Filteri Freq value Therefore if you want both filters Freq parameters to be the same you should set Filter2 s Freq control to O when using the F1 Freq Link function Any offset between the Freq setting of Filter1 and Filter2 is preserved whenever possible Any offset can be temporarily lost by moving the filter frequency to the extreme minimum maximum positions although it returns when moving the filter back into the main range Parallel Filter2 only The Parallel button allows you to toggle the routing of Filteri and Filter2 By default it is deactivated meaning that the routing of the filters is serial Filter1 is placed before Filter2 in the Signal path With the button activated the 2 filters operate on the same input signal in parallel with the output being subsequently mixed after the filtering stages Type Etch Red features 4 different filter models selectable with the Type control Each Type provides a varied set of Mode settings and possesses different circuit modelled characteristics
15. he input connected the S amp H module operates on the connected signal When itis gt disconnected the internal noise source is used 1 S amp H Retrigger input The S amp H Retrigger input can be connected to a suitable source of trigger signals such as gates LFOs etc to trigger the S amp H function This function is applied in addition to the internal clock To trigger S amp H events only with an external gate or clock set the Rate parameter to a frequency lower than the external gate clock Sample amp Hold output The Sample amp Hold output provides the output from the S amp H modulator so that it can be used to modulate parameters in other Reason devices O 2012 FXpansion Audio Filter response curves 21 5 Filter response curves The filter response curves in this section represent output amplitude vertical axis against frequency horizontal axis O 2012 FXpansion Audio 22 Etch Operation Manual 5 1 Japan filter type Japan 2L Japan 4L Japan 2B Japan 4B Japan 2H Japan 4H O 2012 FXpansion Audio Filter response curves 23 Japan 2P Japan 1N 2P Japan 2N 2P 8ve N2P2T Japan 2N 2L 8ve N2L2T Japan 2N 1H 1L 8ve Japan 2P 2N 8ve aS He O 2012 FXpansion Audio 24 Etch Operation Manual Japan 2H 2N 8ve Japan 1H 1L 2N 8ve Japan 2N 2P 2N 8ve Japan 2N Japan 4N Japan 2N 2L AT En 2012 FXpansion Audio Filter response curves 25 Japan 2H 2N Japan
16. i En Sin gt Shape Br Sin Shape B Her M ri Atk Hid Dey Crv Gain Rate Mph Phs Gain Rate Mph Pha Gain Atk Dey Lvl Gain Rate Slew Gain uosuedxy 18 B Output indicator meters 18 1113 818 Note the black windowed meter style indicators to the right of each internal modulator s name This is a real time representation of the amplitude of each modulator s output Sync buttons The internal clocks in the LFOs and S amp H mA ns modules are synchronized to the Reason tempo by default with the Rate control determining the speed in BPM based values When Sync is enabled automating the Rate control results in the phase being resynced meaning that an abrupt transition may occur This is necessary to remain synchronized and retain consistency upon repeated playback Deactivate the Sync button for any module such as LFO2 in the example above so that its Rate control can be set in Hz While in this mode automating the Rate control does not change the phase 2012 FXpansion Audio Etch internal modulators 17 4 1 Envelope The Envelope module is triggered via Etch Red s Gate CV input and via ENVELOPE rr notes from Reason s MIDI input or sequencer to generate AHD envelopes for modulating Etch Red s parameters via the TransMod N modulation system Atk Hid Dey Crv Gain The Envelope can be used to modulate the Output Level so that audio only passes through while the envelope is active useful for triggered
17. icates that the Also note that the LED to the top right of parameter features modulation depths from a the Follower source s selector button has modulation source other than the current source turned red to indicate that modulation exists to one or more parameters from that source Polarity Unipolar Bipolar operation The LFO S amp H and Random sources can all be set to operate with unipolar or bipolar behaviour By default the modulation from the S amp H module acts Deactivate the source s Unipolar button in 1 direction only as it outputs positive values from O so that it outputs negative and positive to 1 values between 1 and 1 This means that the Pan control is now modulated in both directions about the centre Source Mute buttons E B Each source also features a Mute button While this button is activated the modulation from the source is disabled and the source therefore has no effect This function is useful for quickly establishing which source may be causing a certain audible effect 2012 FXpansion Audio 14 Etch Operation Manual Controls that can be modulated All of the following Etch Red parameters can be modulated Drive Filter 1 amp Filter 2 In Filter 1 amp Filter 2 Freq Filter 1 amp Filter 2 FM Filter 1 amp Filter 2 Rez Filter 1 amp Filter 2 Pan Output Level Output Mix Env Gain LFO1 amp LFO2 Rate LFO1 8 LFO2 Gain Follower Gain S amp H Rate S amp H Gain TransMod re
18. it is recommended to use the dedicated filter Key Track function instead of modulating the Freg controls with the Pitch source via the TransMod system Vel Velocity The Velocity source provides the velocity value of each gate signal received at the Gate input on the rear panel and each note received from Reason s MIDI input or seguencer The Velocity source features an additional button in the modulation source selector area If the Note off Reset button is enabled the value of the Velocity source returns to zero after the input gate signal has returned to zero or if the seguencer MIDI input note is released If the button is deactivated the source stays constant at the last value until a new value is generated The Note off Reset button is deactivated by default Rand Random N RANSMOD MO UL TON INPUT The Random source outputs a random value each time that the Gate input on the rear panel is fed with a suitable gate signal and when notes are received from Reason s MIDI input or seguencer This source can be set to bipolar operation instead of the default unipolar behaviour by deactivating the source s Unipolar button 2012 FXpansion Audio 16 Etch Operation Manual 4 Etch internal modulators Almost all modulation in Etch Red relies on the TransMod modulation system The exceptions are the FM and Key Track functions in Filter1 and Filter2 ENVELOPE mai LFO 1 m LFO 2 TN FOLLOWER HI SZH Las mm B
19. ndom LFO na By default a dedicated internal noise signal is sampled and held periodically with the period dictated by the Rate control When a clock Rate Slew Gain pulse occurs the dedicated internal noise signal is sampled its current value is snapshotted and held constant at the sampled value until the next clock pulse when the process repeats Sync button g UOISUBIX With the Sync button enabled the Rate control is set in BPM values derived from the Reason tempo With the Sync button disabled the Rate control is set in Hz The behaviour of the Sync function is explained in more detail here Rate w TransMod amount The Rate control dictates the speed of the sample and hold process Slew The Slew control introduces lag between each sampled and held value resulting in a smoother transition between values instead of abrupt changes with the control at the minimum setting Gain w TransMod amount The Gain control offers a final attenuation control for the output of the module before it enters the TransMod modulation system At 100 no attenuation is applied to the output modulation signal This control is intended to be modulated by other TransMod sources for dynamic evolving modulation effects Sample amp Hold connections S amp H Override input The S amp H Override input can be connected to an external audio source to use with the S amp H in place of its internal noise source 2 1 With t
20. ollower Override input The HPF function is enabled by default I Atk Attack This control sets the Attack time of the envelope generated in response to a new detected transient Dcy Decay This control sets the Decay time of the generated envelope Lvi Level The Level control allows you to attenuate the level of the signal entering the envelope follower transient detection circuit At 100 no attenuation is applied on the signal Gain w TransMod amount The Gain control offers a final attenuation control for the output of the module before it enters the TransMod modulation system At 100 no attenuation is applied to the output modulation signal This control is intended to be modulated by other TransMod sources for dynamic evolving modulation effects Follower connections Follower Override input By default the Follower reacts to the main y e audio input signal A By connecting the Follower Override input on Etch Red s rear panel you can make the Follower react to a signal from a suitable audio source elsewhere within Reason instead Follower output The Follower output provides the output from the Follower modulator so that it can be used to modulate parameters in other Reason devices 2012 FXpansion Audio 20 Etch Operation Manual 4 4 Sample and Hold S amp H The Sample and Hold S amp H function is designed to output a stream of SH varied modulation values and act as a ra
21. phase of the LFO within 360 degrees Gain w TransMod am ount The Gain control offers a final attenuation control for the output of the module before it enters the TransMod modulation system At 100 no attenuation is applied to the output modulation signal This control is intended to be modulated by other TransMod sources for dynamic evolving modulation effects LFO connections LFO1 8 LFO2 Retrigger inputs Each LFO can be retriggered using the dedicated CV inputs on the rear of the Etch 2 A Red panel Try retriggering the LFOs with E gate signals or LFOs from elsewhere in your Reason project Wi LFO outputs M Rus The LFO outputs provide the output from 4 END each LFO so that they can be used to modulate parameters in other Reason devices Filter FM inputs These do not affect the LFO directly but please note that connecting these inputs overrides the default routing of LFO1 or LFO2 to the dedicated FM function on Filter1 and Filter2 2012 FXpansion Audio Etch internal modulators 19 4 3 Follower The Follower envelope follower produces a modulation signal by reacting FOLLOWER u to the amplitude of the audio input signal with specified attack and decay envelope characteristics M npr Atk Dey Lvl Gain HPF Activating the HPF button enables a high pass filter on the input signal A dd 2 prior to the Follower s peak detection The filter is applied whether using SEE the main input or the F
22. sing TransMod modulation in Etch Red Guide to using the TransMod system 1 Select a TransMod modulation source In the middle of the Etch Red panel are a number of buttons which represent the various TransMod modulation sources that are available One of the sources must be the currently selected source only one source view is visible at one time but modulation can exist from any number of the available sources simultaneously The yellow LED on a source s selector button is lit when it is currently selected There are 3 ways of selecting a TransMod modulation source kl del Follower Sample amp Hold 3 Sample amp Hold lej 2 Rand EM Click the up down buttons to cycle through all the modulation sources sequentially Click the selector button for any modulation source to select it Envelope LFO 1 LFO 2 Follower Sample amp Hold mA cv 1 SA cv2 P Pitch Click the display to select the desired source Velocity from a drop down menu P Rand 2 Set the modulation depth for a parameter using its associated TransMod amount knob Each parameter that can be modulated features an associated red knob used for specifying the amount of TransMod modulation from the currently selected modulation source Freq Comp Level Mix TransMod amount knobs are bi polar e When centred their value is O e Turning them to the right causes positive modulation from the original value of th
23. solution TransMod modulation occurs at control rates in 64 sample blocks Etch Red s dedicated filter FM function operates independently of the TransMod system and can act at audio rates either using the internal LFOs or an external audio source patched to the Filteri FM and Filter2 FM inputs O 2012 FXpansion Audio Using TransMod modulation in Etch Red 15 3 1 TransMod modulation sources LE E aij m MODULATION z Envelope hed B Er SOURCE SELECTION Jo ni pitch Envelope The Envelope source provides the output from the Envelope module LFO1 and LFO2 These sources provide the output from LFO1 and LFO2 Both these sources can be set to bipolar operation instead of the default unipolar behaviour by deactivating the source s Unipolar button Follower The Follower source provides the output from the Envelope Follower module S amp H Sample amp Hold The S amp H source provides the output from the S amp H module This source can be set to bipolar operation instead of the default unipolar behaviour by deactivating the source s Unipolar button WRANSMOD MOWILEV ION INPUT CV 1 and CV 2 These sources provide the CV signals that are inserted into the CV 1 and CV 2 inputs located on the rear panel Pitch The Pitch source is derived from notes received at the Pitch CV input on the rear panel from other devices CV outputs and from Reason s MIDI input and seguencer For precise filter cutoff tracking
24. t can introduce positive or negative modulation from the value set by the parameter s main knob Each TransMod source features its own set of modulation depths to each parameter a parameter can be modulated by any number of the 10 available sources simultaneously The TransMod system is discussed in detail in chapter 3 TransMod Modulation sources Etch Red features 5 built in modulators a triggered Envelope 2 LFOs an envelope Follower and a Sample amp Hold S amp H All are intended to be used with the TransMod system although as mentioned the LFOs feature a direct FM routing to each filter cutoff The level of each modulator can be controlled by another modulation source by modulating its Gain control This is very useful for dynamic evolving modulation shapes Although Etch Red features a number of built in modulators there are a number of other sources which are derived from the inputs on the rear panel Etch Red also features two additional modulation functions B Key Track which operate outside the TransMod system EM LEO Filter FM hul The Filter FM function features a direct modulation routing from LFO1 LFO2 or the FM Override external inputs on the Etch Red rear panel The depth is set by the FM knob on each filter which can itself be modulated via the TransMod system The filter FM function can operate at audio rates unlike the TransMod system which is guantized to control rates Filter Key Track The Filter K
25. tch browse and save controls at the top of the Etch Red panel 2012 FXpansion Audio 4 Etch Operation Manual Etch Red Audio path The Drive Filter and Output modules form the heart of Etch Red By default the Drive is placed before the filters in the signal path although their order can be swapped using the Post button on the Drive module Each Filter module features 4 selectable filter types each with a varied set of responses There are dedicated key tracking and audio rate FM functions and the filters can be placed in parallel and panned left right for true stereo filtering The Output module features final level controls for both filters a simple but very effective 1 knob compressor and final output level and panning controls Etch Red Modulation M k uj je E je MODULATION fx Envelope tl LFO1 JEM el LFO gt Follower SOURCE SELECTION citer ENVELOPE mai LFO 1 TH FOLLOWER DS sam m Ei A Sin share BA sin JE shape Ci Atk Hid Dey Crv Gain Rate Mph Phs Gain Rate Mph Pha Gain Atk Dey Lvl Gain Rate Slew Gain UOISUEdX 111 TITI sa Using TransMod modulation in Etch 1 Select one of the 10 available modulation sources as the currently viewed source LFO1 is selected by default 2 Each parameter in Etch Red that can be modulated has an accompanying red TransMod amount knob which sets the modulation depth from the currently viewed TransMod modulation source The red knob is bi polar i
26. ter the Filter stages Drive w TransMod amount The Drive parameter sets the amount of drive applied to the signal Type Each of the available Type settings changes the input to output amplitude in a non linear way with each setting offering different timbral effects Click the up down buttons to cycle through the available Types or click the display to select from a drop down menu The following response curves show the amplitude of the input signal vs the output signal INPUT seen INPUT DIODE 0 OTA INPUT INPUT oP AMP HALF RECT Half rectifier INPUT INPUT SHREDDER CLIPPER Shredder Clipper INPUT TANNIN Tannin 2012 FXpansion Audio Etch audio modules and signal path 9 2 2 Filteri and Filter2 Etch Red s 2 filter modules are identical although there are minor differences in terms of controls for linking and routing FILTER 1 M Key Track FILTER 2 MM Fi Freglink Parallel T Mode Typ Mod dr FMLEO de r FMLFO 1 CIM Jaran 1 UM Freq Rez FM Fan Power The Power buttons for Filteri and Filter2 allow you to activate or bypass each filter Key Track Filteri only The Key Track function lets you directly play Etch Red s filters with notes from Reason s sequencer or its main CV gate inputs It is recommended to use this function rather than the Pitch TransMod source to modulate t
27. unction These f gt inputs are optimized for audio rate x modulation and accept audio signals only To modulate the filters with external CV sources use the CV1 and CV2 TransMod source and its associated rear panel inputs 2012 FXpansion Audio Etch audio modules and signal path 11 2 3 Output F1 Out F2 Out OUTPUT Fi Out F2 Out The F1 Out and F2 Out parameters set the level of the audio leaving Pa each of the 2 filters useful for attenuating or boosting each signal after o filtering Comp Level Mix Comp Compress The Output section features a simple single control compressor switchable between a soft and hard knee response The Compress parameter sets the amount of compression applied to 0 the signal At the minimum setting no compression is applied and the A Signal passes through to the Output module without being processed Hard Hard knee By default Etch Red s compressor features soft knee behaviour With the Hard button activated the compressor behaves with hard knee characteristics Level w TransMod amount The Level control sets the final level of the audio leaving Etch Red useful for any final attenuation or boosting of the signal Mix w TransMod amount The Mix control sets the balance between the original input signal towards the left of the control and the processed signal towards the right of the control 2012 FXpansion Audio Etch Operation Manual U
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