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  • 9:15 PM, Friday, 22 Oct 2021


Course Postgraduate
Semester Electives
Subject Code AVD861
Subject Title Speech Signal Processing And Coding

Syllabus

Introduction: speech production and perception, information sources in speech, linguistic aspect of speech, acoustic and articulatory phonetics, nature of speech, models for speech analysis and perception; Short ‐ term processing: need, approach, time, frequency and time ‐ frequency analysis; Short ‐ term Fourier transform (STFT): overview of Fourier representation, non ‐ stationary signals, development of STFT, transform and filter ‐ bank views of STFT; Cesptrum analysis: Basis and development, delta, delta ‐ delta and mel ‐ cepstrum, homomorphic signal processing, real and complex cepstrum; Linear Prediction (LP) analysis: Basis and development, Levinson ‐ Durbin’s method, normalized error, LP spectrum, LP cepstrum, LP residual; Sinusoidal analysis: Basis and development, phase unwrapping, sinusoidal analysis and synthesis of speech; Speech coding: Need and parameters, classification, waveform coders, speech ‐ specific coders, GSM, CDMA and other mobile coders; Applications: Some applications like pitch extraction, spectral analysis and coding standard.

Text Books

Same as Reference

References
  1. Digital Processing of Speech Signals Pearson Education, L.R. Rabiner and R.W. Schafer, Delhi, India, 2004
  2. Discrete ‐ Time Processing of Speech Signals, J. R. Deller, Jr., J. H. L. Hansen and J. G. Proakis, Wiley ‐ IEEE Press, NY, USA, 1999.
  3. Human and Machine, D. O’Shaughnessy, Speech Communications: Second Edition, University Press, 2005.
  4. Discrete time processing of speech signals, T. F. Quatieri, Pearson Education, 2005.
  5. Fundamentals of speech recognition, L. R. Rabiner, B. H. Jhuang and B. Yegnanarayana Pearson Education, 2009.