The Electroglottograph Is A Hardware Device For Monitoring Of Variations Of Vocal Fold Contact By Connecting Electrodes In The Area Of The Vocal Folds. Electroglottography Represents One Of The Few Non-invasive Methods Available For Obtaining Useful Information About The Vibratory Patterns Of The Vocal Fold. These Changes Of Vocal Fold Vibration Are Displayed On Screen In The Form of Waveform.It Has To Interface with Real Speech Pro Software To Get Data Analysis.