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Merge pull request #732 from tidalcycles/reverb-fix-sr

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fix: reverb sampleRate
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Felix Roos 2023-10-09 21:43:42 +02:00 committed by GitHub
commit d3b96dd048
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2 changed files with 2 additions and 4 deletions
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4
packages/superdough/reverb.mjs
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@ -1,14 +1,12 @@
import reverbGen from './reverbGen.mjs'; import reverbGen from './reverbGen.mjs';
if (typeof AudioContext !== 'undefined') { if (typeof AudioContext !== 'undefined') {
AudioContext.prototype.generateReverb = reverbGen.generateReverb;
AudioContext.prototype.createReverb = function (duration, fade, lp, dim) { AudioContext.prototype.createReverb = function (duration, fade, lp, dim) {
const convolver = this.createConvolver(); const convolver = this.createConvolver();
convolver.generate = (d = 2, fade = 0.1, lp = 15000, dim = 1000) => { convolver.generate = (d = 2, fade = 0.1, lp = 15000, dim = 1000) => {
this.generateReverb( reverbGen.generateReverb(
{ {
audioContext: this, audioContext: this,
sampleRate: 44100,
numChannels: 2, numChannels: 2,
decayTime: d, decayTime: d,
fadeInTime: fade, fadeInTime: fade,

2
packages/superdough/reverbGen.mjs
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@ -23,7 +23,7 @@ var reverbGen = {};
immediately within the current execution context, or later. */ immediately within the current execution context, or later. */
reverbGen.generateReverb = function (params, callback) { reverbGen.generateReverb = function (params, callback) {
var audioContext = params.audioContext || new AudioContext(); var audioContext = params.audioContext || new AudioContext();
var sampleRate = params.sampleRate || 44100; var sampleRate = audioContext.sampleRate;
var numChannels = params.numChannels || 2; var numChannels = params.numChannels || 2;
// params.decayTime is the -60dB fade time. We let it go 50% longer to get to -90dB. // params.decayTime is the -60dB fade time. We let it go 50% longer to get to -90dB.
var totalTime = params.decayTime * 1.5; var totalTime = params.decayTime * 1.5;