get-float-time-domain-data/lib/get-float-time-domain-data.js

getFloatTimeDomainData for legacy Web Audio API

"use strict";

if (global.AnalyserNode && !global.AnalyserNode.prototype.getFloatTimeDomainData) {
  var uint8 = new Uint8Array(2048);
  global.AnalyserNode.prototype.getFloatTimeDomainData = function(array) {
    this.getByteTimeDomainData(uint8);
    for (var i = 0, imax = array.length; i < imax; i++) {
      array[i] = (uint8[i] - 128) * 0.0078125;
    }
  };
}