static TargetDataLine javaSound_recordLine(AudioFormat format, int internalBufferSize) ctex {
  DataLine.Info	targetInfo = new DataLine.Info(TargetDataLine.class, format, internalBufferSize);
  TargetDataLine in = (TargetDataLine) AudioSystem.getLine(targetInfo);
  in.open(format, internalBufferSize);
  ret in;
}