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authorJack Humbert <jack.humb@gmail.com>2016-04-26 01:16:47 -0400
committerJack Humbert <jack.humb@gmail.com>2016-04-26 01:16:47 -0400
commit140b97a1cd226432a8ec647004943698e3d87f0b (patch)
treefaeb69d21803b8d83b31dd4b8d01b2231054919a /quantum
parent6274a216f87bad7d6fe9c9a1a4328dbf444fc364 (diff)
adds delayed vibrato
Diffstat (limited to 'quantum')
-rw-r--r--quantum/audio/voices.c31
-rw-r--r--quantum/audio/voices.h2
2 files changed, 33 insertions, 0 deletions
diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c
index de9f8ae544..0921bd5931 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 4b894f28d4..74c873f42f 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,