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furnace/doc/4-instrument/es5506.md
Electric Keet fdfbff3999 De-capitalization of docs (and little typo fixes) 
There are also a couple tiny instances of formatting, like [sic] in the Namco 163 doc (yes, it is now correctly formatted) and a couple labels that needed bold.
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Ensoniq ES5506 instrument editor

the ES5506 instrument editor contains three tabs: Sample, ES5506 and Macros.

Sample

for sample settings, see the Sample instrument editor.

ES5506

ES5506 contains a filter, which is somewhat configurable. there's also a hardware envelope, but it's probably most useful for smoothing.

you may use this tab to set up ES5506-specific parameters:

  • Filter Mode: sets filter mode.
    • HP/K2, HP/K2: run high-pass twice using filter K2.
    • HP/K2, LP/K1: run high-pass using filter K2, and then low-pass using filter K1.
    • LP/K2, LP/K2: run low-pass twice using filter K2.
    • LP/K2, LP/K1: run low-pass using filter K2, and then again using filter K1.
  • Filter K1: set coefficient 1 (K1). effectively controls cutoff.
  • Filter K2: set coefficient 2 (K2). effectively controls cutoff.
  • Envelope count: set length of hardware envelope (it's very short even at highest value).
  • Left Volume Ramp: how much to change left volume on every envelope step.
  • Right Volume Ramp: how much to change right volume on every envelope step.
  • Filter K1 Ramp: how much to change filter K1 every envelope step.
  • Filter K2 Ramp: how much to change filter K2 on every envelope step.
  • K1 Ramp Slowdown: increases length of K1 ramp.
  • K2 Ramp Slowdown: increases length of K2 ramp.

Macros

  • Volume: volume sequence.
  • Arpeggio: pitch sequence.
  • Filter Mode: sets filter mode.
  • Panning (left): output level for left channel.
  • Panning (right): output level for right channel.
  • Pitch: fine pitch.
  • Phase Reset: trigger restart of waveform.
  • Filter K1: K1 sequence.
  • Filter K2: K2 sequence.
  • Outputs: ES5506 has 6 stereo output (total 12). select which pair of outputs to use.
  • Control: reverse/pause sequence.