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| author | Jack Humbert <jack.humb@gmail.com> | 2016-04-26 07:16:47 +0200 |
|---|---|---|
| committer | Jack Humbert <jack.humb@gmail.com> | 2016-04-26 07:16:47 +0200 |
| commit | 140b97a1cd226432a8ec647004943698e3d87f0b (patch) | |
| tree | faeb69d21803b8d83b31dd4b8d01b2231054919a /quantum/audio | |
| parent | 6274a216f87bad7d6fe9c9a1a4328dbf444fc364 (diff) | |
| download | qmk_firmware-140b97a1cd226432a8ec647004943698e3d87f0b.tar.gz qmk_firmware-140b97a1cd226432a8ec647004943698e3d87f0b.tar.xz | |
adds delayed vibrato
Diffstat (limited to 'quantum/audio')
| -rw-r--r-- | quantum/audio/voices.c | 31 | ||||
| -rw-r--r-- | quantum/audio/voices.h | 2 |
2 files changed, 33 insertions, 0 deletions
diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c index de9f8ae54..0921bd593 100644 --- a/quantum/audio/voices.c +++ b/quantum/audio/voices.c @@ -1,5 +1,6 @@ #include "voices.h" #include "stdlib.h" +#include "vibrato_lut.h" // these are imported from audio.c extern uint16_t envelope_index; @@ -99,6 +100,36 @@ float voice_envelope(float frequency) { if ((envelope_index % 8) == 0) note_timbre = 0; break; + case delayed_vibrato: + polyphony_rate = 0; + note_timbre = TIMBRE_50; + #define VOICE_VIBRATO_DELAY 150 + #define VOICE_VIBRATO_SPEED 50 + switch (compensated_index) { + case 0 ... VOICE_VIBRATO_DELAY: + break; + default: + frequency = frequency * VIBRATO_LUT[(int)fmod((((float)compensated_index - (VOICE_VIBRATO_DELAY + 1))/1000*VOICE_VIBRATO_SPEED), VIBRATO_LUT_LENGTH)]; + break; + } + break; + // case delayed_vibrato_octave: + // polyphony_rate = 0; + // if ((envelope_index % 2) == 1) { + // note_timbre = 0.55; + // } else { + // note_timbre = 0.45; + // } + // #define VOICE_VIBRATO_DELAY 150 + // #define VOICE_VIBRATO_SPEED 50 + // switch (compensated_index) { + // case 0 ... VOICE_VIBRATO_DELAY: + // break; + // default: + // frequency = frequency * VIBRATO_LUT[(int)fmod((((float)compensated_index - (VOICE_VIBRATO_DELAY + 1))/1000*VOICE_VIBRATO_SPEED), VIBRATO_LUT_LENGTH)]; + // break; + // } + // break; // case duty_fifth_down: // note_timbre = 0.5; // if ((envelope_index % 3) == 0) diff --git a/quantum/audio/voices.h b/quantum/audio/voices.h index 4b894f28d..74c873f42 100644 --- a/quantum/audio/voices.h +++ b/quantum/audio/voices.h @@ -16,6 +16,8 @@ typedef enum { octave_crunch, duty_osc, duty_octave_down, + delayed_vibrato, + // delayed_vibrato_octave, // duty_fifth_down, // duty_fourth_down, // duty_third_down, |