public void receiveDisplayTick(final long currentGuiTime) {
   attenuationMeter.receiveDisplayTick(currentGuiTime);
 }
 public void destroy() {
   attenuationMeter.destroy();
 }
 public void receiveMeterReadingInDb(
     final long currentFrameTime, final int channelNum, final float meterReadingDb) {
   attenuationMeter.receiveMeterReadingInDb(currentFrameTime, meterReadingDb);
 }