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use Float32 for higher precision

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This commit is contained in:
Felix Roos 2023-08-25 16:29:41 +02:00
parent 988bd8ccdc
commit 2e31c8695a
2 changed files with 16 additions and 9 deletions
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10
packages/superdough/superdough.mjs
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@ -128,19 +128,21 @@ export function getAnalyser(/* orbit, */ fftSize = 2048) {
analyserNode.fftSize = fftSize;
// getDestination().connect(analyserNode);
analyser /* s[orbit] */ = analyserNode;
analyserData = new Uint8Array(analyser.frequencyBinCount);
//analyserData = new Uint8Array(analyser.frequencyBinCount);
analyserData = new Float32Array(analyser.frequencyBinCount);
}
if (analyser /* s[orbit] */.fftSize !== fftSize) {
analyser /* s[orbit] */.fftSize = fftSize;
analyserData = new Uint8Array(analyser.frequencyBinCount);
//analyserData = new Uint8Array(analyser.frequencyBinCount);
analyserData = new Float32Array(analyser.frequencyBinCount);
}
return analyser /* s[orbit] */;
}
export function getAnalyzerData(type = 'time') {
const getter = {
time: () => analyser?.getByteTimeDomainData(analyserData),
frequency: () => analyser?.getByteFrequencyData(analyserData),
time: () => analyser?.getFloatTimeDomainData(analyserData),
frequency: () => analyser?.getFloatFrequencyData(analyserData),
}[type];
if (!getter) {
throw new Error(`getAnalyzerData: ${type} not supported. use one of ${Object.keys(getter).join(', ')}`);