+ break;
+
+ case duty_octave_down:
+ polyphony_rate = 0;
+ note_timbre = (envelope_index % 2) * .125 + .375 * 2;
+ if ((envelope_index % 4) == 0)
+ note_timbre = 0.5;
+ 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)
+ // note_timbre = 0.75;
+ // break;
+ // case duty_fourth_down:
+ // note_timbre = 0.0;
+ // if ((envelope_index % 12) == 0)
+ // note_timbre = 0.75;
+ // if (((envelope_index % 12) % 4) != 1)
+ // note_timbre = 0.75;
+ // break;
+ // case duty_third_down:
+ // note_timbre = 0.5;
+ // if ((envelope_index % 5) == 0)
+ // note_timbre = 0.75;
+ // break;
+ // case duty_fifth_third_down:
+ // note_timbre = 0.5;
+ // if ((envelope_index % 5) == 0)
+ // note_timbre = 0.75;
+ // if ((envelope_index % 3) == 0)
+ // note_timbre = 0.25;
+ // break;
+
+ default:
+ break;