static void captureAudioFromLine(DataLine line, AudioFormat format) ctex {

  if (!line instanceof TargetDataLine)

    fail(getClassName(line));

  TargetDataLine tdl = cast line;

  tdl.open(format);

  tdl.start();

  int total = 0, n;

  int seconds = 2;

  int bytesPerSecond = iround(format.getSampleSizeInBits()*format.getChannels()*format.getSampleRate()/8);

  print("Bytes per second: " + bytesPerSecond);

  int bytesWanted = seconds*bytesPerSecond;

  byte[] buf = new byte[1024];

  while (total < bytesWanted && (n = tdl.read(buf, 0, min(l(buf), bytesWanted-total))) > 0) {

    total += n;

    short[] exp = format.isBigEndian()

      ? shortArrayFromBytes(buf, 0, n)

      : shortArrayFromBytes_littleEndian(buf, 0, n);

    print(structure(subArray(exp, 0, 10)));

    print("Bytes read from line: " + total + ". min: " + min(exp) + ". max: " + max(exp));

  }

  tdl.close();

}