function play(mybuffer) {
  const sourceNode = context.createBufferSource();
  sourceNode.buffer = mybuffer;

  const compressorNode = context.createDynamicsCompressor();
  compressorNode.threshold.value = -60;
  compressorNode.ratio.value = 10;

  sourceNode.connect(compressorNode);
  compressorNode.connect(context.destination);
  sourceNode.start(0);
}