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get amplitude from microphone javascript

Aing earmeng answered on September 9, 2022 Popularity 3/10 Helpfulness 1/10

answer get amplitude from microphone javascript

get amplitude from microphone javascript

Comment

navigator.mediaDevices.getUserMedia({
  audio: true,
  video: true
})
  .then(function(stream) {
    const audioContext = new AudioContext();
    const analyser = audioContext.createAnalyser();
    const microphone = audioContext.createMediaStreamSource(stream);
    const scriptProcessor = audioContext.createScriptProcessor(2048, 1, 1);

    analyser.smoothingTimeConstant = 0.8;
    analyser.fftSize = 1024;

    microphone.connect(analyser);
    analyser.connect(scriptProcessor);
    scriptProcessor.connect(audioContext.destination);
    scriptProcessor.onaudioprocess = function() {
      const array = new Uint8Array(analyser.frequencyBinCount);
      analyser.getByteFrequencyData(array);
      const arraySum = array.reduce((a, value) => a + value, 0);
      const average = arraySum / array.length;
      console.log(Math.round(average));
      // colorPids(average);
    };
  })
  .catch(function(err) {
    /* handle the error */
    console.error(err);
  });

Popularity 3/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: get javascript microphone

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