Instruo Arbhar Granular Audio Processor
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The Instruo Arbhar is a granular module that introduces the Lexer method of granular synthesis and is perfect for processing, mangling, and transforming audio into new sounds. It features six buffers with up to ten seconds of audio record time, plus an all samples linked mode.
Audio can be sampled using the audio inputs, or you can use the on-board condenser microphone. The record function can be automated with a gate input or triggered by a button. Additionally, there is an onset input that analyzes the incoming audio. Additionally, there is an onset input that analyzes the incoming audio with four onset analysis modes. These affect whether the onset analysis triggers the capture of audio at the onset input. The behavior of the trigger/gate output is also dependent on the current active onset mode. The Arbhar features a back-lit LED window that provides clear indication of which sample is selected, plus the length, amplitude, and buffer position of the sample.
The audio's buffer position can be scrubbed through in three-second chunks with the scan control. In follow mode, the playhead's movement becomes automated, with the scan knob determining the speed of the movement. Arbhar features control over pitch with internal modulation that goes from random slewed pitch deviation, no pitch deviation, or quantized pitch deviation. The playback mode of the samples can be forward or reverse. With the playback direction control in the middle position, the module performs a coin toss operation to determine whether to play the audio forward or reverse. The intensity control sets the distribution of grains. The grain size goes down to single cycle waveforms and the module becomes a wavetable oscillator that tracks v/oct. The strike input and button fires a grain. The grain will complete its duration, set by the pitch control. Multiple grains can be played back and layered over each other.
The Arbhar also ships with a 2hp expander that includes CV control over spray, layer, probability, skew, random, dub, hold, and dry/wet mix.
- Granular module
- New granular algorithm, the Lexer method
- Six buffers of up to ten seconds each
- Polyphonic granular playback
- Built-in condenser mic
- Automatic capture control
- Forward or backwards playback with probability
- Input and output gain
- Dry/wet control
- Clock in/out
- Includes 2hp expander
- Eurorack module
- Width: 18hp
- Depth: 42mm
- Current draw: 210mA @ +12v, 30mA @ -12v