import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.UnsupportedAudioFileException;

// We're aiming for: RIFF (little-endian) data, WAVE audio, Microsoft PCM, 16 bit, mono 16000 Hz
// as per http://cmusphinx.sourceforge.net/wiki/tutorialsphinx4

static void convertWAVForSphinx(File inputFile, File outputFile) ctex {
  AudioFormat outputFormat = sphinxAudioFormat();

  AudioFileFormat inputFileFormat = AudioSystem.getAudioFileFormat(inputFile);
  AudioFormat inputFormat = inputFileFormat.getFormat();
  AudioInputStream sourceStream = AudioSystem.getAudioInputStream(inputFile);
  AudioInputStream stream = AudioSystem.getAudioInputStream(outputFormat, sourceStream);
  int nWrittenBytes = AudioSystem.write(stream, AudioFileFormat.Type.WAVE, outputFile);
  sourceStream.close();
  stream.close();
}