diff options
Diffstat (limited to 'quantum/audio')
| -rw-r--r-- | quantum/audio/voices.c | 12 | ||||
| -rw-r--r-- | quantum/audio/voices.h | 1 |
2 files changed, 9 insertions, 4 deletions
diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index 92ada47f7..98631f0cb 100644 --- a/quantum/audio/voices.c +++ b/quantum/audio/voices.c @@ -72,15 +72,19 @@ float voice_envelope(float frequency) { polyphony_rate = 0; switch (compensated_index) { default: - #define SPEED 10 - #define AMP .75 + #define OCS_SPEED 10 + #define OCS_AMP .25 // sine wave is slow - // note_timbre = (sin((float)compensated_index/10000*SPEED) * AMP / 2) + .5; + // note_timbre = (sin((float)compensated_index/10000*OCS_SPEED) * OCS_AMP / 2) + .5; // triangle wave is a bit faster - note_timbre = (float)abs((compensated_index*SPEED % 3000) - 1500) * ( AMP / 1500 ) + (1 - AMP) / 2; + note_timbre = (float)abs((compensated_index*OCS_SPEED % 3000) - 1500) * ( OCS_AMP / 1500 ) + (1 - OCS_AMP) / 2; break; } break; + case duty_octave_down: + polyphony_rate = 0; + note_timbre = (envelope_index % 2) * .125 + .375 * 2; + break; } return frequency; diff --git a/quantum/audio/voices.h b/quantum/audio/voices.h index 44c5066b5..5aa99f4b1 100644 --- a/quantum/audio/voices.h +++ b/quantum/audio/voices.h @@ -15,6 +15,7 @@ typedef enum { butts_fader, octave_crunch, duty_osc, + duty_octave_down, number_of_voices // important that this is last } voice_type; |