SpaSca : open SCAffolding to SPAcially and textualy explore interfaces
https://fabien.benetou.fr/pub/home/future_of_text_demo/engine/
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39 lines
1.3 KiB
39 lines
1.3 KiB
3 months ago
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class RecognizerAudioProcessor extends AudioWorkletProcessor {
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constructor(options) {
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super(options);
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this.port.onmessage = this._processMessage.bind(this);
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}
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_processMessage(event) {
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// console.debug(`Received event ${JSON.stringify(event.data, null, 2)}`);
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if (event.data.action === "init") {
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this._recognizerId = event.data.recognizerId;
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this._recognizerPort = event.ports[0];
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}
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}
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process(inputs, outputs, parameters) {
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const data = inputs[0][0];
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if (this._recognizerPort && data) {
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// AudioBuffer samples are represented as floating point numbers between -1.0 and 1.0 whilst
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// Kaldi expects them to be between -32768 and 32767 (the range of a signed int16)
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const audioArray = data.map((value) => value * 0x8000);
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this._recognizerPort.postMessage(
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{
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action: "audioChunk",
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data: audioArray,
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recognizerId: this._recognizerId,
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sampleRate, // Part of AudioWorkletGlobalScope
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},
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{
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transfer: [audioArray.buffer],
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}
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);
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}
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return true;
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}
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}
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registerProcessor('recognizer-processor', RecognizerAudioProcessor)
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