AudioContext.createVolumeDetection

AudioContext.createVolumeDetection()

// 1. 创建一个 AudioContext 和 Audio
const ctx = tt.getAudioContext();
const audio = ctx.createAudio();
audio.src = "xxxx.mp3";

const source = context.createMediaElementSource(audio);
const volumeDetectionNode = context.createVolumeDetection();
source.connect(volumeDetectionNode);
volumeDetectionNode.connect(context.destination);

audio.oncanplay = () => {
  audio.play();
};

setInterval(() => {
  const data = volumeDetectionNode.getVolumeDetectionData();
  console.log(`[API: audio] size of data: ${data.size}`);
  console.log(`[API: audio] time: ${data.time}`);
  console.log(`[API: audio] data: ${data.data}`);
}, 2000);