• P Mahalakshmi VIT University, Vellore -632 014, India.


Objective: The objective of this review article is to give a complete review of various techniques that are used for speech recognition purposes over
two decades.
Methods: VAD-Voice Activity Detection, SAD-Speech Activity Detection techniques are discussed that are used to distinguish voiced from unvoiced
signals and MFCC- Mel Frequency Cepstral Coefficient technique is discussed which detects specific features.
Results: The review results show that research in MFCC has been dominant in signal processing in comparison to VAD and other existing techniques.
Conclusion: A comparison of different speaker recognition techniques that were used previously were discussed and those in current research were
also discussed and a clear idea of the better technique was identified through the review of multiple literature for over two decades.
Keywords: Cepstral analysis, Mel-frequency cepstral coefficients, signal processing, speaker recognition, voice activity detection.

Author Biography

P Mahalakshmi, VIT University, Vellore -632 014, India.
School of Electrical Engineering


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How to Cite
Mahalakshmi, P. “A REVIEW ON VOICE ACTIVITY DETECTION AND MEL-FREQUENCY CEPSTRAL COEFFICIENTS FOR SPEAKER RECOGNITION (TREND ANALYSIS)”. Asian Journal of Pharmaceutical and Clinical Research, Vol. 9, no. 9, Dec. 2016, pp. 360-3, doi:10.22159/ajpcr.2016.v9s3.14352.
Review Article(s)