Rakarrack is a stereo digital effects processor for Linux with jack support. Standard line-up of nearly 40 effects modules include Equalizers, Reverbs, Echo, Flanger, Chorus, Distortions, WahWah, Vocoder, and other filters and processing modules.
Rakarrack is a richly featured multi-effects processor emulating a guitar effects pedalboard.
Effects include compressor, expander, noise gate, graphic equalizer, parametric equalizer, exciter, shuffle, convolotron, valve, flanger, dual flange, chorus, musicaldelay, arpie, echo with reverse playback, musical delay, reverb, digital phaser, analogic phaser, synthfilter, varyband, ring, wah-wah, alien-wah, mutromojo, harmonizer, looper and four flexible distortion modules including sub-octave modulation and dirty octave up.
Most of the effects engine is built from modules found in the excellent software synthesizer ZynAddSubFX. Presets and user interface are optimized for guitar, but Rakarrack processes signals in stereo while it does not apply internal band-limiting filtering, and thus is well suited to all musical instruments and vocals. Rakarrack is designed for Linux distributions with Jack Audio Connection Kit.
Ten can be used simultaneously on a chain.
Also Rakarrack has a Tuner and a monophonic MIDI Converter, and other features like resampling or Tap Tempo.
Rakarrack can be managed externally by MIDI, the program receive Program Change and the parameters can be controlled via Control Change MIDI messages.
One of the most important things of RAKARRACK is that everything is on a single mouse click. All the effect parameters are on the screen.
The effects are processed on a chain, the chain order processing is fully configurable by the user for each preset. The preset saves all the effects parameters. These presets can be grouped into banks to manage more efficiently. Saving a preset is as easy as typing a name.
Rakarrack is capable of generating high volume output. It has Gain controls in general and some of the effects allow high gain adjustments. Use these gains with caution because they can produce unwanted effects. However, a limiter is applied to the final output which prevents signal level from increasing beyond 0dB. Bear this in mind, for high gains triggering limiting in the output will initiate high-ratio hard-knee compression. This is better than hard clipping distortion, but the audio effect can be undesirable.
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