Voice and Audio Compression for Wireless Communications 2nd Edition by Lajos Hanzo, F Clare Somerville, Dr Jason Woodard ISBN 0470516038 9780470516034

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ISBN 10: 0470516038 
ISBN 13: 9780470516034
Author: Lajos Hanzo, F Clare Somerville, Dr Jason Woodard

Voice communications remains the most important facet of mobile radio services, which may be delivered over conventional fixed links, the Internet or wireless channels. This all-encompassing volume reports on the entire 50-year history of voice compression, on recent audio compression techniques and the protection as well as transmission of these signals in hostile wireless propagation environments. Audio and Voice Compression for Wireless and Wireline Communications, Second Edition is divided into four parts with Part I covering the basics, while Part II outlines the design of analysis-by-synthesis coding, including a 100-page chapter on virtually all existing standardised speech codecs.  The focus of Part III is on wideband and audio coding as well as transmission. Finally, Part IV concludes the book with a range of very low rate encoding techniques, scanning a range of research-oriented topics. Fully updated and revised second edition of “Voice Compression and Communications”, expanded to cover Audio features Includes two new chapters, on narrowband and wideband AMR coding, and MPEG audio coding Addresses the new developments in the field of wideband speech and audio compression Covers compression, error resilience and error correction coding, as well as transmission aspects, including cutting-edge turbo transceivers Presents both the historic and current view of speech compression and communications. Covering fundamental concepts in a non-mathematical way before moving to detailed discussions of theoretical principles, future concepts and solutions to various specific wireless voice communication problems, this book will appeal to both advanced readers and those with a background knowledge of signal processing and communications. 

Voice and Audio Compression for Wireless Communications 2ndTable of contents:

Part I: Speech Signals and Waveform Coding

1. Speech Signals and an Introduction to Speech Coding

   • Motivation for Speech Compression

   • Basic Characterization of Speech Signals

   • Classification of Speech Codecs

   • Waveform Coding Techniques

   • Quantization and Rate-Distortion Theory 

2. Predictive Coding

   • Linear Predictive Coding (LPC)

   • Differential PCM (DPCM)

   • Adaptive Predictive Coding 

3. Transform Coding

   • Discrete Cosine Transform (DCT)

   • Subband and Wavelet Coding

   • Perceptual Coding Techniques

Part II: Analysis-by-Synthesis Coding

4. Code-Excited Linear Prediction (CELP)

   • CELP Principles

   • Fixed and Adaptive Codebooks

   • Perceptual Weighting 

5. Standardized Speech Codecs

   • GSM Full Rate (FR)

   • GSM Enhanced Full Rate (EFR)

   • Adaptive Multi-Rate (AMR)

   • AMR-Wideband (AMR-WB)

   • MPEG-4 Speech Coding 

6. Error Resilience and Concealment

   • Error Detection and Correction

   • Frame Erasure Concealment

   • Robustness in Wireless Channels 

Part III: Wideband Speech, MPEG-4 Audio, and Their Transmission

7. Wideband Speech Coding

   • Techniques for Wideband Speech

   • Applications and Standards 

8. MPEG-4 Audio Coding

   • Audio Object Types

   • Scalable Audio Coding

   • Perceptual Audio Coding 

9. Transmission of Speech and Audio

   • Modulation Techniques

   • Channel Coding

   • Turbo Codes and Iterative Decoding

Part IV: Very Low-Rate Coding and Transmission

10. Vocoders and Low Bitrate Coding

    • Linear Predictive Vocoders

    • Mixed Excitation Linear Prediction (MELP)

    • Applications in Secure Communications

11. Emerging Topics in Speech and Audio Coding

    • Neural Network-Based Coding

    • Speech Synthesis and Recognition

    • Future Trends and Research Directions

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