public void frequencyChanged(FrequencyChangeEvent event){
  mOverlayPanel.frequencyChanged(event);
  mDFTProcessor.frequencyChanged(event);
}

public void frequencyChanged ( FrequencyChangeEvent event ) { mOverlayPanel . frequencyChanged ( event ) ; mDFTProcessor . frequencyChanged ( event ) ; }
receives frequency change events - - primarily from tuner components .
