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vibrato for soundfonts

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+ add getVibratoOscillator helper
This commit is contained in:
Felix Roos 2024-01-16 00:07:56 +01:00
parent 32456d6966
commit 3506de8d1a
4 changed files with 24 additions and 28 deletions
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16
packages/superdough/sampler.mjs
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@ -1,6 +1,6 @@
import { noteToMidi, valueToMidi, getSoundIndex } from './util.mjs';
import { getAudioContext, registerSound } from './index.mjs';
import { getADSRValues, getParamADSR, getPitchEnvelope } from './helpers.mjs';
import { getADSRValues, getParamADSR, getPitchEnvelope, getVibratoOscillator } from './helpers.mjs';
import { logger } from './logger.mjs';
const bufferCache = {}; // string: Promise<ArrayBuffer>
@ -244,8 +244,6 @@ export async function onTriggerSample(t, value, onended, bank, resolveUrl) {
loopEnd = 1,
end = 1,
duration,
vib,
vibmod = 0.5,
} = value;
// load sample
if (speed === 0) {
@ -263,17 +261,7 @@ export async function onTriggerSample(t, value, onended, bank, resolveUrl) {
const bufferSource = await getSampleBufferSource(s, n, note, speed, freq, bank, resolveUrl);
// vibrato
let vibratoOscillator;
if (vib > 0) {
vibratoOscillator = getAudioContext().createOscillator();
vibratoOscillator.frequency.value = vib;
const gain = getAudioContext().createGain();
// Vibmod is the amount of vibrato, in semitones
gain.gain.value = vibmod * 100;
vibratoOscillator.connect(gain);
gain.connect(bufferSource.detune);
vibratoOscillator.start(0);
}
let vibratoOscillator = getVibratoOscillator(bufferSource.detune, value, t);
// asny stuff above took too long?
if (ac.currentTime > t) {