ourceNode(oac);
    var channelData = buf.getChannelData(0);
    for (var i = 0; i < channelData.length; i++) {
      channelData[i] = 1.0;
    }
    bs.buffer = null;
    bs.start(); // This does not acquire the content
    bs.buffer = buf; // This does
    for (var i = 0; i < channelData.length; i++) {
      channelData[i] = 0.5;
    }
    allSamplesAtOne(buf, "reading back");
    bs.connect(oac.destination);
    return oac.startRendering();
  },
  "ConvolverNode": (oac) => {
    var buf = oac.createBuffe