29
This algorithm is a 6-voice stereo chorus
with both chorusing and delay effects. It lets
you create single, recirculating echo effects
and slap echoes or make use of long (1.5
seconds max) delay times. Delay times can
be tempo-driven by MIDI.
This algorithm has three separate delay
pairs. Feedback routes the audio back to
Delay 1, as well as feeding Delays 2 and 3.
All three of the delay pairs are sent to the
Rate control which adjusts the overall
amount of random chorus generation.
Both the Chorus and Canyon Presets
(13-14) were created from this algorithm.
APM Parameter
Setting Name Display Range Actual Range
1 Feedback -128 to +128 -99 to +99%
2 Delay 1 1 to 120 0-1500ms
3 Effects Level 1 to 128 0-100%
4 High Frequency Cutoff 1 to 16 321Hz-13.8kHz
5 Delay 2 Spread 1 to 128 0-1000ms
6 Delay 3 Spread 1 to 128 0-1000ms
7 – –– –– –
8 Diffusion 1 to 128 0-100 (arbitrary units)
9 Chorus Rate 1 to 16 0-15 (arbitrary units)
10 Echo Rhythm 1 to 14* 1/64th note-whole note
*See Page 30 for a map of knob positions vs. note values.
Chorus
A8
When controlling Delay 1 via MIDI, refer to
Dynamic MIDI Patching:
Special Notes on
MIDI Programming
for important information
about this parameter.
HF CutDiffusion
HF CutDiffusion
Delay 1
Effects
Level
Chorus
Rate
Delay 2
Delay 3
Feedback
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