code: function intToInt_(sample, args) {
    if (sample > 0) {
      sample = parseInt((sample / args.oldMax) * args.newMax, 10);
    } else {
      sample = parseInt((sample / args.oldMin) * args.newMin, 10);
    }
    return sample;
  }
docs: Change the bit depth from int to int.
  @param {number} sample The sample.
  @param {!Object<string, number>} args Data about the original and target bit depths.
  @return {number}
  @private