festival("(set! after_synth_hooks (list (lambda (utt) (utt.wave.rescale utt 4.0))))"); festival("(Parameter.set 'Duration_Stretch 1.5)");
toSetVolume = true;
  private void startSynthProcess() throws IOException {    if (!supported)      return;    if (synthProcess == null) {      synchronized (this) {	synthProcess = Runtime.getRuntime().exec(new String[] { synthPath, "--interactive" });      }      os = synthProcess.getOutputStream();      is = synthProcess.getInputStream();      while (true)        if (getch() == '>')          if (getch() == ' ')            break;      festival("(set! after_synth_hooks (list (lambda (utt) (utt.wave.rescale utt 4.0))))");      festival("(Parameter.set 'Duration_Stretch 1.5)");    }  }