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furnace/doc/4-instrument/multipcm.md
Electric Keet 48645a0973 MultiPCM doc. 
Courtesy of freq-mod.

Might want an ADSR chart here at some point?
2024-10-09 23:52:49 -05:00

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MultiPCM instrument editor

the MultiPCM instrument editor contains three tabs: Sample, MultiPCM and Macros.

Sample

for sample settings, see the Sample instrument editor.

MultiPCM

MultiPCM contains an ADSR envelope, not unlike Yamaha OPN/OPM envelpes, and simple LFO, also similiar to that found in OPN. you may use this tab to set up ES5506-specific parameters:

  • AR: sets attack rate.
  • D1R: sets Decay 1 rate.
  • DL: sets Decay Level (analogue of Sustain Level on OPN chips).
  • D2R: sets Decay 2 rate (a.k.a. SR, Sustain Rate).
  • RR: sets release rate.
  • LFO rate: sets speed of LFO.
  • PM Depth: sets depth of LFO vibrato.
  • AM Depth: sets depth of LFO tremolo/amplitude modulation.
  • Damp: enforce quickly fading out the sample over 11 ms.
  • Pseudo Reverb: enables reverb-like effect.
  • LFO Reset: disables and resets LFO.
  • Level Direct: this register is propietary and should be set to ON.

Macros

  • Volume: volume sequence.
  • Arpeggio: pitch sequence.
  • Filter Mode: sets filter mode.
  • Panning: output level for left and right channels (from -3 to +3).
  • Pitch: fine pitch.
  • Phase Reset: trigger restart of waveform.
  • LFO Speed: sequence of LFO speeds.
  • LFO Vib depth: LFO vibrato sequence.
  • LFO Vib depth: LFO tremolo sequence.