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28 lines
892 B
28 lines
892 B
navigator.mediaDevices.getUserMedia({
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audio: true
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}).then((stream) => {
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const audioContext = new AudioContext();
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const analyser = audioContext.createAnalyser();
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const microphone = audioContext.createMediaStreamSource(stream);
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const scriptProcessor = audioContext.createScriptProcessor(2048, 1, 1);
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analyser.smoothingTimeConstant = 0.8;
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analyser.fftSize = 1024;
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microphone.connect(analyser);
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analyser.connect(scriptProcessor);
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scriptProcessor.connect(audioContext.destination);
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scriptProcessor.onaudioprocess = () => {
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const array = new Uint8Array(analyser.frequencyBinCount);
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analyser.getByteFrequencyData(array);
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const arraySum = array.reduce((a, value) => a + value, 0);
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const average = arraySum / array.length;
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console.log(Math.round(average));
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// colorPids(average);
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};
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})
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.catch((err) => {
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/* handle the error */
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console.error(err);
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});
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