code: public int getPostSpeechTimer() {
          final String value = Optional.fromNullable(getParameter(SignalParameters.POST_SPEECH_TIMER.symbol())).or("20");
          return Integer.parseInt(value) * 100;
      }
docs: The amount of silence necessary after the end of the last speech segment for the recording to be considered complete.<br>
  Specified in units of 100 milliseconds. <b>Defaults to 20 (2 seconds).</b>
  
  @return The pre-speech timer duration.