Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels

Cover Image Copyright Year: 2001
Author(s): Lajos Hanzo; F. Clare A. Somerville; Jason P. Woodward
Book Type: Wiley-IEEE Press
Content Type : Books
Topics: Communication, Networking & Broadcasting
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Abstract

Up-to-date, expert coverage of topics in wireless voice communications
Voice communication is the most important facet of mobile radio service. Even when the predicted surge of wireless data and Internet services becomes a reality, voice will remain the most natural means of human communication.
Voice Compression and Communications details issues in wireless voice communications and treats compression, channel coding, and wireless transmission as a joint subject. Part I covers background material, whereas Part II provides detailed information on both proprietary and standardized analysis-by-synthesis codecs, including the speech codecs of virtually all existing wireline-based and wireless systems. Parts III and IV discuss mainly research-based wideband, audio, as well as very low-rate schemes likely to find their way into future standards.
Voice Compression and Communications describes fundamental concepts in a non-mathematical way early in the book for those with only a b ckground knowledge of signal processing and communications. More advanced readers will find detailed discussions of theoretical principles, future concepts, and solutions to various specific wireless voice communications problems.

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      Frontmatter

      Page(s): i - xxx
      Copyright Year: 2001

      Wiley-IEEE Press eBook Chapters

      The prelims comprise:
      Half Title
      IEEE Series
      Title
      Copyright
      Dedication
      IEEE Press Board Page
      Contents
      Preface, Motivation and The Speech Coding Scene
      Acknowledgments View full abstract»

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      Speech Signals and Waveform Coding

      Page(s): 1
      Copyright Year: 2001

      Wiley-IEEE Press eBook Chapters

      Up-to-date, expert coverage of topics in wireless voice communications
      Voice communication is the most important facet of mobile radio service. Even when the predicted surge of wireless data and Internet services becomes a reality, voice will remain the most natural means of human communication.
      Voice Compression and Communications details issues in wireless voice communications and treats compression, channel coding, and wireless transmission as a joint subject. Part I covers background material, whereas Part II provides detailed information on both proprietary and standardized analysis-by-synthesis codecs, including the speech codecs of virtually all existing wireline-based and wireless systems. Parts III and IV discuss mainly research-based wideband, audio, as well as very low-rate schemes likely to find their way into future standards.
      Voice Compression and Communications describes fundamental concepts in a non-mathematical way early in the book for those with only a b ckground knowledge of signal processing and communications. More advanced readers will find detailed discussions of theoretical principles, future concepts, and solutions to various specific wireless voice communications problems. View full abstract»

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      Speech Signals and Introduction to Speech Coding

      Copyright Year: 2001

      Wiley-IEEE Press eBook Chapters

      This chapter contains sections titled:

    • Motivation of Speech Compression

    • Basic charaterization of Speech Signals

    • Classification of Speech Codecs

    • Waveform of Coding [10]

    • Chapter Summary

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    Predictive Coding

    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Forward Predictive Coding

  • DPCM Codec Schematic

  • Predictor Design

  • Adaptive One-Word Memory Quantization [54]

  • DPCM Performance

  • Backward-Adaptive Prediction

  • The 32 KBPS G.721 ADPCM Codec [60]

  • Subjective and Objective Speech Quality

  • Variable-Rate G.726 and Embedded G.727 AD-PCM

  • Rate-Distortion in Theory in Predictive Coding

  • Chapter Summary

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    Analysis by Synthesis Coding

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Page(s): 63
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    Up-to-date, expert coverage of topics in wireless voice communications
    Voice communication is the most important facet of mobile radio service. Even when the predicted surge of wireless data and Internet services becomes a reality, voice will remain the most natural means of human communication.
    Voice Compression and Communications details issues in wireless voice communications and treats compression, channel coding, and wireless transmission as a joint subject. Part I covers background material, whereas Part II provides detailed information on both proprietary and standardized analysis-by-synthesis codecs, including the speech codecs of virtually all existing wireline-based and wireless systems. Parts III and IV discuss mainly research-based wideband, audio, as well as very low-rate schemes likely to find their way into future standards.
    Voice Compression and Communications describes fundamental concepts in a non-mathematical way early in the book for those with only a b ckground knowledge of signal processing and communications. More advanced readers will find detailed discussions of theoretical principles, future concepts, and solutions to various specific wireless voice communications problems. View full abstract»

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    AnalysisbySynthesis Principles

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Motivation

  • Analysis-By-Synthesis Codec Structure

  • The Short-Term Synthesis Filter

  • Long-Term Prediction

  • Excitation Models

  • Adaptive Short-Term and Long-Term Post-Filtering

  • Lattice-Based Linear Prediction

  • Chapter Summary

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    Speech Spectral Quantization

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Log-Area Ratios

  • Line Spectral Frequencies

  • Vector Quantization of Spectral Parameters

  • Spectral Quantizers for Wideband Speech Coding

  • Chapter Summary

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    Regular Pulse Excited Coding

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Theoretical Background

  • The 13 KBPS RPE-LTP GSM Speech Encoder

  • The 13 kbps RPE-LTP GSM Speech Decoder

  • Bit Sensitivity of the 13 kbps GSM RPE-LTP Codec

  • Application Example: A Toolbox-Based Speech Transceiver [131]

  • Chapter Summary

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    ForwardAdaptive Code Excited Linear Prediction

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Background

  • The Original CELP Approach

  • Fixed Codebook Search

  • CELP Excitation Models

  • Optimization of the CELP Codec Parameters

  • The Error Sensitivity of CELP Codecs

  • Application Example: A Dual-Mode 3.1 KBD Speech Transceiver

  • Multi-Slot PRMA Transceiver [170]

  • Chapter Summary

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    Standard ForwardAdaptive CELP Codecs

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Background

  • The US DoD FS-1016 4.8 kbits/s CELP Codec [76]

  • The 7.95kbps Pan-American Speech Codec [132] Known as is-54 Damps Codec

  • The 6.7kbps Japanese Digital Cellular System's Speech Codec [133]

  • The Qualcomm Variable-Rate CELP Codec [182]

  • Japanese Half-Rate Speech Codec [133]

  • The Half-Rate GSM Speech Codec

  • The 8kbits/s G.729 Codec [123]

  • The Reduced-Complexity G.729 Annex-A Codec

  • The 12.2 kbps Enhanced Full-Rate GSM Speech Codec [201, 202]

  • The Enhanced Full-Rate 7.4 kbps is-136 Speech Codec [203, 204]

  • The ITU G.723.1 Dual-Rate Codec [206]

  • Chapter Summary

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    BackwardAdaptive Code Excited Linear Prediction

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Introduction

  • Motivation and Background

  • Backward-Adaptive G728 Codec Schematic [70, 85]

  • Backward-Adaptive G728 Coding Algorithm [70, 85]

  • Reduced-Rate G728-Like Codec: Variable-Length Excitation Vector

  • The Effects of Long-Term Prediction

  • Closed-Loop Codebook Training

  • Reduced-Rate G728-Like Codec: Constant-Length Excitation Vector

  • Programmable-Rate 8-4 kbps Low-Delay CELP Codecs

  • Backward-Adaptive Error Sensitivity Issues

  • A Low-Delay Multimode Speech Transceiver

  • Chapter Summary

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    Wideband Coding and Transmission

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

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    Wideband Speech Coding

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Sub-Band-ADPCM Wideband Coding at 64 kbps [220]

  • Wideband Transform Coding at 32 kbps [227]

  • Sub-Band-Split Wideband CELP Codecs

  • Fullband Wideband ACELP Coding

  • A Turbo-Coded Burst-By-Burst Adaptive Wideband Speech Transceiver

  • Chapter Summary

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    Very LowRate Coding and Transmission

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Page(s): 385
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    Up-to-date, expert coverage of topics in wireless voice communications
    Voice communication is the most important facet of mobile radio service. Even when the predicted surge of wireless data and Internet services becomes a reality, voice will remain the most natural means of human communication.
    Voice Compression and Communications details issues in wireless voice communications and treats compression, channel coding, and wireless transmission as a joint subject. Part I covers background material, whereas Part II provides detailed information on both proprietary and standardized analysis-by-synthesis codecs, including the speech codecs of virtually all existing wireline-based and wireless systems. Parts III and IV discuss mainly research-based wideband, audio, as well as very low-rate schemes likely to find their way into future standards.
    Voice Compression and Communications describes fundamental concepts in a non-mathematical way early in the book for those with only a b ckground knowledge of signal processing and communications. More advanced readers will find detailed discussions of theoretical principles, future concepts, and solutions to various specific wireless voice communications problems. View full abstract»

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    Overview of LowRate Speech Coding

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Low-Bitrate Speech Coding

  • Linear Predictive Coding Model

  • Speech Quality Measures

  • Speech Database

  • Chapter Summary

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    Linear Predictive Vocoder

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Overview of a Linear Predictive Vocoder

  • Line Spectrum Frequencies Quantization

  • Pitch Detection

  • Unvoiced Frames

  • Voiced Frames

  • Adaptive Post-Filter

  • Pulse Dispersion Filter

  • Results for Linear Predictive Vocoder

  • Chapter Summary

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    Wavelets and Pitch Detection

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Conceptual Introduction to Wavelets

  • Introduction to Wavelet Mathematics

  • Pre-Processing the Wavelet Transform Signal

  • Voiced-Unvoiced Decision

  • Wavelet-Based Pitch Detector

  • Summary and Conclusions

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    Zinc Function Excitation

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Introduction

  • Overview of Prototype Waveform Interpolation Zinc Function Excitation

  • Zinc Function Modeling

  • Pitch Detection

  • Voiced Speech

  • Excitation Interpolation Between Prototype Segments

  • Unvoiced Speech

  • Adaptive Post-Filter

  • Results for Single Zinc Function Excitation

  • Error Sensitivity of the 1.9 kbps PWI-ZFE Coder

  • Multiple Zinc Function Excitation

  • A Sixth-Rate, 3.8 kbps GSM-Like Speech Transceiver

  • Chapter Summary

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    MixedMultiband Excitation

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Introduction

  • Overview of Mixed-Multiband Excitation

  • Finite Impulse Response Filter

  • Mixed-Multiband Excitation Encoder

  • Mixed-Multiband Excitation Decoder

  • Performance of The Mixed-Multiband Excitation Coder

  • A Higher Rate 3.85 kbps Mixed-Multiband Excitation Scheme

  • A 2.35 kbit/s Joint-Detection-Based CDMA Speech Transceiver

  • Chapter Summary

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    Sinusoidal Transform Coding Below 4 kbps

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Introduction

  • Sinusoidal Analysis of Speech Signals

  • Sinusoidal Synthesis of Speech Signals

  • Low-Bitrate Sinusoidal Coders

  • Incorporating Prototype Waveform Interpolation

  • Encoding The Sinusoidal Frequency Component

  • Determining the Excitation Components

  • Quantizing the Excitation Parameters

  • Sinusoidal Transform Decoder

  • Speech Coder Performance

  • Chapter Summary

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    Conclusions on LowRate Coding

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Overview

  • Listening Tests

  • Summary of Very Low-Rate Coding

  • Further Research

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    Comparison of Speech Codecs and Transceivers

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    This chapter contains sections titled:

  • Background to Quality Evaluation

  • Objective Speech Quality Measures

  • Subjective Measures [18]

  • Comparison of Subjective and Objective Measures

  • Subjective Speech Quality of Various Codecs

  • Error Sensitivity Comparison of Various Codecs

  • Objective Speech Performance of Various Transceivers

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    Appendix A: Constructing the Quadratic Spline Wavelets

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

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    Appendix B: Zinc Function Excitation

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

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    Appendix C: Probability Density Function for Amplitudes

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Copyright Year: 2001

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    Bibliography

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Page(s): 601 - 622
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    Up-to-date, expert coverage of topics in wireless voice communications
    Voice communication is the most important facet of mobile radio service. Even when the predicted surge of wireless data and Internet services becomes a reality, voice will remain the most natural means of human communication.
    Voice Compression and Communications details issues in wireless voice communications and treats compression, channel coding, and wireless transmission as a joint subject. Part I covers background material, whereas Part II provides detailed information on both proprietary and standardized analysis-by-synthesis codecs, including the speech codecs of virtually all existing wireline-based and wireless systems. Parts III and IV discuss mainly research-based wideband, audio, as well as very low-rate schemes likely to find their way into future standards.
    Voice Compression and Communications describes fundamental concepts in a non-mathematical way early in the book for those with only a b ckground knowledge of signal processing and communications. More advanced readers will find detailed discussions of theoretical principles, future concepts, and solutions to various specific wireless voice communications problems. View full abstract»

  • Full text access may be available. Click article title to sign in or learn about subscription options.

    Index

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Page(s): 623 - 630
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    Up-to-date, expert coverage of topics in wireless voice communications
    Voice communication is the most important facet of mobile radio service. Even when the predicted surge of wireless data and Internet services becomes a reality, voice will remain the most natural means of human communication.
    Voice Compression and Communications details issues in wireless voice communications and treats compression, channel coding, and wireless transmission as a joint subject. Part I covers background material, whereas Part II provides detailed information on both proprietary and standardized analysis-by-synthesis codecs, including the speech codecs of virtually all existing wireline-based and wireless systems. Parts III and IV discuss mainly research-based wideband, audio, as well as very low-rate schemes likely to find their way into future standards.
    Voice Compression and Communications describes fundamental concepts in a non-mathematical way early in the book for those with only a b ckground knowledge of signal processing and communications. More advanced readers will find detailed discussions of theoretical principles, future concepts, and solutions to various specific wireless voice communications problems. View full abstract»

  • Full text access may be available. Click article title to sign in or learn about subscription options.

    Author Index

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Page(s): 631 - 639
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    Up-to-date, expert coverage of topics in wireless voice communications
    Voice communication is the most important facet of mobile radio service. Even when the predicted surge of wireless data and Internet services becomes a reality, voice will remain the most natural means of human communication.
    Voice Compression and Communications details issues in wireless voice communications and treats compression, channel coding, and wireless transmission as a joint subject. Part I covers background material, whereas Part II provides detailed information on both proprietary and standardized analysis-by-synthesis codecs, including the speech codecs of virtually all existing wireline-based and wireless systems. Parts III and IV discuss mainly research-based wideband, audio, as well as very low-rate schemes likely to find their way into future standards.
    Voice Compression and Communications describes fundamental concepts in a non-mathematical way early in the book for those with only a b ckground knowledge of signal processing and communications. More advanced readers will find detailed discussions of theoretical principles, future concepts, and solutions to various specific wireless voice communications problems. View full abstract»

  • Full text access may be available. Click article title to sign in or learn about subscription options.

    About the Authors

    Voice Compression and Communications:Principles and Applications for Fixed and Wireless Channels
    Page(s): 641 - 642
    Copyright Year: 2001

    Wiley-IEEE Press eBook Chapters

    Up-to-date, expert coverage of topics in wireless voice communications
    Voice communication is the most important facet of mobile radio service. Even when the predicted surge of wireless data and Internet services becomes a reality, voice will remain the most natural means of human communication.
    Voice Compression and Communications details issues in wireless voice communications and treats compression, channel coding, and wireless transmission as a joint subject. Part I covers background material, whereas Part II provides detailed information on both proprietary and standardized analysis-by-synthesis codecs, including the speech codecs of virtually all existing wireline-based and wireless systems. Parts III and IV discuss mainly research-based wideband, audio, as well as very low-rate schemes likely to find their way into future standards.
    Voice Compression and Communications describes fundamental concepts in a non-mathematical way early in the book for those with only a b ckground knowledge of signal processing and communications. More advanced readers will find detailed discussions of theoretical principles, future concepts, and solutions to various specific wireless voice communications problems. View full abstract»



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