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arbhar

Granular Audio Processor

User Manual

(Firmware 1.5.4b)

Summary of Contents for arbhar

Page 1: ...arbhar Granular Audio Processor User Manual Firmware 1 5 4b...

Page 2: ...pture 12 Granular Synthesis 17 Pitch 20 Shift Button Erase Undo 21 Layer Record Destination Lock 22 Audio Analysis Onset Detection 24 Onset Control Modes 25 Scan Follow Mode 27 Wavetable Mode 28 Hardw...

Page 3: ...t Export 34 CV Expansion 36 Firmware Update Factory Reset 37 Patch Examples Basic Granular Processing Feedback Capture Wavetable Synth Voice Onset Triggered Modulation Looping Granular Delay Mode Dry...

Page 4: ...anel built in audio analysis for automatic sampling and internal modulation over various parameters this is truly a granulator like no other Meet the Lexer Method Features 44 polyphonic grains between...

Page 5: ...e 16 pin side of the IDC power cable to the 2x8 pin header on your Eurorack power supply confirming that the red stripe on the power cable is connected to 12V 6 Optional To install the CV Expander mod...

Page 6: ...tput Level 8 Output 1 9 Output 2 10 Capture Button 1 1 Capture Gate Input 12 Layer 13 Layer Indicators 14 Granular Stream 15 Intensity 16 Intensity CV Input 17 Strike Button 18 Strike Input 19 Grain W...

Page 7: ...PRAY LAYER CV Expansion Module Key 1 Spray CV Input 2 Layer CV Input 3 Grain Direction CV Input 4 Grain Window CV Input 5 Pitch Deviation CV Input 6 Dub CV Input 7 Mod CV Input 8 Dry Wet Mix CV Input...

Page 8: ...ed Condenser Microphone signal The input stage incorporates analogue limiting This allows arbhar to saturate rather than digitally clip when high amplitude signals are used If the knob is at its 10 00...

Page 9: ...ctivates recording of the signal present at the Input Each capture activation will start recording from the start of the layer Once the recording has started the button will illuminate amber and recor...

Page 10: ...ed all layers are consecutively available via the Scan parameter To ensure the absence of audio drop outs at extreme Scan parameter positions arbhar will record for an extra 2 seconds at the end of ea...

Page 11: ...ndicated by the colour blue The beta layer is indicated by the colour magenta The gamma layer is indicated by the colour amber The delta layer is indicated by the colour yellow The epsilon layer is in...

Page 12: ...sity The Intensity parameter sets the amount of generated grains from the Continuous Granular Engine The maximum number of grains are generated when the knob is in its centre position Turning the knob...

Page 13: ...l voltage input for the Intensity parameter Control voltage is summed with the knob position Input range 10V e g a voltage difference of 10V is needed to control from the minimum to maximum knob posit...

Page 14: ...n its centre position grain direction probability is set to 50 forward playback and 50 reverse playback If the knob is fully anticlockwise grain direction probability is set to 100 forward playback If...

Page 15: ...f the grain The rate at which grains are generated is set by both the Intensity and Length parameters Length CV Input The Length CV Input is a bipolar control voltage input for the Length parameter Co...

Page 16: ...he start of each grain and remains unchanged for the duration of the grain If the value of the Spray parameter is greater than the duration available from the Scan position to the end of the layer the...

Page 17: ...nput The 1V Octave Input is a bipolar control voltage input for the Pitch parameter Control voltage is summed with the knob position Input range 10V e g a voltage difference of 10V is needed to contro...

Page 18: ...deviation values are applied at the beginning of each grain and remain unchanged for the duration of the grain It is therefore possible that by modulating the Pitch Deviation parameter arbhar can gen...

Page 19: ...19 a b c d e f g h i j k l a b c d e f g h i j k l 2 0 1 5 0 7 1 0 2 9 0 8 4 0 3 8 0 9 3 0 4 11 0 10 7 0 5 10 0 11 6 0 6 12 0 12...

Page 20: ...d into an existing layer one Undo function is accessible In this case press and hold the Shift Button and then press the Strike Button to perform the Undo function The Undo function will always return...

Page 21: ...ed by an amber Layer Indicator The monitored layer is indicated by a white Layer Indicator To recouple the recording destination and the Layer parameter press and hold the Shift Button and then set th...

Page 22: ...minates amber to show that a detected onset will activate capture In the gamma and delta Onset Control Modes the Onset Indicator illuminates white to show that the detected onset will generate gate si...

Page 23: ...he Dub parameter is used for audio replacement and sound on sound recording It sets the level of the existing audio within the layer and the audio of the new capture If the knob is fully anticlockwise...

Page 24: ...e beta setting will activate capture upon onset detection In this mode a gate signal will generate from the Gate Output upon each onset detection and is set high for the duration of time set by the Ho...

Page 25: ...Scan Mode the user can manually scan through the recorded buffer setting the Scan parameter at any position to freeze audio playback Follow Mode In Follow Mode audio playback is triggered and directed...

Page 26: ...omposite of the number of grains selected Intensity grain length Length and random deviation of the position Spray However the Spray parameter randomises the start position of the grain with the audio...

Page 27: ...nner The Scan and Spray parameters will change the position in the layer from which the wavetable is derived The Intensity parameter changes in functionality to be an update rate control for the wavet...

Page 28: ...ware Configuration Switches are set by the Mod CV Input on the CV Expansion Module Note It is recommended to change these settings while the module is powered down Stereo Panning Configuration Hardwar...

Page 29: ...vetable Mode The MOD CV Input on the CV Expansion Module modulates the Hold time Positive voltage increases the set Hold time Negative voltage decreases the set Hold time Stereo Reverb Configuration H...

Page 30: ...y and wet signal will generate from Output 1 if it s the only Output connected Output 1 generates the dry signal when both outputs are connected Output 2 generates the wet signal only Positive voltage...

Page 31: ...Strike Button for less than 2 seconds The Strike Button will flash indicating that the layer has been saved to memory Load To reload a saved recording after its been erased press and hold the Shift B...

Page 32: ...ndly format These converted files are automatically copied to the _userfiles folder The copied files in the _userfiles folder will be named automatically This conversion ensures that the files will pl...

Page 33: ...on Once arbhar has fully booted press and hold the Shift Button and then press the Strike Button for at least 2 seconds Export Files can be exported from a layer to the USB flash drive With arbhar pow...

Page 34: ...oltage Input range 5V Modulating the Layer parameter between 0V and 5V with external control voltage will enable two clockwise cycles through all six layers from the currently selected layer Modulatin...

Page 35: ...t range is 5V Dub CV Input The Dub CV Input is a bipolar control voltage input for the Dub parameter Control voltage is summed with the knob position Input range 10V e g a voltage difference of 10V is...

Page 36: ...r com support Factory Reset Press and hold the Shift Button and then press the Capture Button seven times to perform a factory reset A factory reset will clear all audio recordings except folders on t...

Page 37: ...tion and set the Output Level fully clockwise Set the Dry Wet Mix knob to a desired position If the Dry Wet Mix knob is fully clockwise fully wet then audio will not be heard until audio has been capt...

Page 38: ...ressed while capture is activated or if the gate signal present at the Capture Gate Input is low recording will be stopped Once capture has deactivated turn the Input Level fully anticlockwise This ef...

Page 39: ...atch at your own risk Audio Path Ensure that no cables are connected to the Input or Onset Input This ensures that the Condenser Microphone is active Turn on your monitoring system speaker headphones...

Page 40: ...signal to the Capture Gate Input to start capturing audio Capture will be activated until the maximum layer duration has been met if the Capture Button is pressed while capture is activated or if the...

Page 41: ...envelope Audio Path Connect any audio signal to the Input Set the Input Level to a desired position and set the Output Level fully clockwise Set the Dry Wet Mix knob to a fully clockwise Monitor Outpu...

Page 42: ...b to set the desired wavetable Once the wavetable has been chosen set the Intensity knob either fully clockwise or fully anticlockwise to disable the Continuous Granular Engine Set the Grain Window kn...

Page 43: ...Path Connect any audio signal to the Onset Input Set the Input Level to a desired position and set the Output Level fully clockwise Set the Dry Wet Mix knob to a desired position If the Dry Wet Mix kn...

Page 44: ...s 9 00 position The Onset Detection will trigger capture Control Path Connect the Gate Output to the gate trig input of an envelope generator Connect the CV output of the envelope generator to the Len...

Page 45: ...d position and set the Output Level fully clockwise Set the Dry Wet Mix knob to a desired position If the Dry Wet Mix knob is fully clockwise fully wet then audio will not be heard until audio has bee...

Page 46: ...will be stopped Once capture has deactivated turn the Input Level full anticlockwise Experiment with all granular and pitch knobs to find desired effects and sweet spots Control Path Patch a sawtooth...

Page 47: ...rately The dry and wet outputs are summed together and monitored Sending CV to the MOD CV Input controls arbhar s curated Feedback Delay parameter Audio Path Connect any audio signal to the Input Set...

Page 48: ...et If the Capture Button is pressed while capture is activated or if the gate signal present at the Capture Gate Input is low recording will be stopped Once capture has deactivated turn the Input Leve...

Page 49: ...is4 and Curtis Roads5 to see granulation as a synthesis tool to create new sonic textures from the tiny fragments of recorded sound I was inspired to extend the sonic parameters of acoustic instrument...

Page 50: ...in count as the spray will ensure that not one grain is exactly like another In contrast reducing density to a single grain changing the texture to sawtooth or pulse and reducing the spray will be lik...

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