{"product_id":"digital-speech-coding-for-low-bit-rate-communication-systems-hardback-9780470870075","title":"Digital Speech; Coding for Low Bit Rate Communication Systems (Hardback) 9780470870075","description":"\u003cfont face=\"Georgia\"\u003e\r\n\u003cp\u003e\u003cfont size=\"6\"\u003eDigital Speech\u003c\/font\u003e\u003cbr\u003e\r\n\u003cfont size=\"5\"\u003eCoding for Low Bit Rate Communication Systems\u003c\/font\u003e\u003c\/p\u003e\r\n\r\n\r\n\r\n\r\n\u003cp\u003e\u003cfont size=\"4\"\u003eA. M. Kondoz (Author)\u003c\/font\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cfont size=\"3\"\u003e9780470870075, Wiley\u003c\/font\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cfont size=\"3\"\u003eHardback, published 24 September 2004\u003c\/font\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cfont size=\"3\"\u003e460 pages\u003cbr\u003e24.4 x 16.8 x 3.1 cm, 0.964 kg\u003c\/font\u003e\u003c\/p\u003e\r\n\r\n\r\n\r\n\r\n\r\n\u003cp align=\"justify\"\u003e\u003cstrong\u003e\u003cfont size=\"3\"\u003eBuilding on the success of the first edition \u003ci\u003eDigital Speech\u003c\/i\u003e offers extensive new, updated and revised material based upon the latest research. This \u003ci\u003eSecond Edition\u003c\/i\u003e continues to provide the fundamental technical background required for low bit rate speech coding and the hottest developments in digital speech coding techniques that are applicable to evolving communication systems.  \u003cul\u003e \u003cli\u003eFeatures new chapters on \u003ci\u003ePitch Estimation and Voice-Unvoiced Classification of Speech, Harmonic Speech Coding\u003c\/i\u003e and \u003ci\u003eMultimode Speech Coding\u003c\/i\u003e\n\u003c\/li\u003e \u003cli\u003ePresents a comprehensively revised chapter entitled \u003ci\u003eAnalysis by Synthesis LPC Coding\u003c\/i\u003e including specific examples of popular speech coders such as CELP (Code-Excited Linear Predictive) Coding\u003c\/li\u003e \u003cli\u003eContains an updated chapter on Efficient LPC Quantization Methods including MSVQ and anti-aliasing filtering\u003c\/li\u003e \u003cli\u003eDiscusses Voice Activity Detection (VAD) methods\u003c\/li\u003e \u003cli\u003eOffers expanded coverage of speech enhancement techniques such as echo cancellation and noise suppression\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eWritten by a well-known, highly respected academic, this authoritative volume will be invaluable to practising engineers, network designers, computer scientists and advanced students in communications, electrical and electronic engineering.\u003c\/p\u003e\u003c\/font\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cfont size=\"3\"\u003e\u003cp\u003ePreface xiii\u003cbr\u003eAcknowledgements xv\u003c\/p\u003e \u003cp\u003e\u003cb\u003e1 Introduction 1\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003e2 Coding Strategies and Standards 5\u003cbr\u003e\u003c\/b\u003e2.1 Introduction 5\u003cbr\u003e2.2 Speech Coding Techniques 6\u003cbr\u003e2.3 Algorithm Objectives and Requirements 9\u003cbr\u003e2.4 Standard Speech Coders 12\u003cbr\u003e2.5 Summary 18\u003c\/p\u003e \u003cp\u003e\u003cb\u003e3 Sampling and Quantization 23\u003cbr\u003e\u003c\/b\u003e3.1 Introduction 23\u003cbr\u003e3.2 Sampling 23\u003cbr\u003e3.3 Scalar Quantization 26\u003cbr\u003e3.4 Vector Quantization 39\u003cbr\u003e3.5 Summary 54\u003c\/p\u003e \u003cp\u003e\u003cb\u003e4 Speech Signal Analysis and Modelling 57\u003cbr\u003e\u003c\/b\u003e4.1 Introduction 57\u003cbr\u003e4.2 Short-Time Spectral Analysis 57\u003cbr\u003e4.3 Linear Predictive Modelling of Speech Signals 65\u003cbr\u003e4.4 Pitch Prediction 77\u003cbr\u003e4.5 Summary 84\u003c\/p\u003e \u003cp\u003e\u003cb\u003e5 Efficient LPC Quantization Methods 87\u003cbr\u003e\u003c\/b\u003e5.1 Introduction 87\u003cbr\u003e5.2 Alternative Representation of LPC 87\u003cbr\u003e5.3 LPC to LSF Transformation 90\u003cbr\u003e5.4 LSF to LPC Transformation 101\u003cbr\u003e5.5 Properties of LSFs 103\u003cbr\u003e5.6 LSF Quantization 105\u003cbr\u003e5.7 Codebook Structures 110\u003cbr\u003e5.8 MSVQ Performance Analysis 117\u003cbr\u003e5.9 Inter-frame Correlation 121\u003cbr\u003e5.10 Improved LSF Estimation Through Anti-Aliasing Filtering 130\u003cbr\u003e5.11 Summary 146\u003c\/p\u003e \u003cp\u003e\u003cb\u003e6 Pitch Estimation and Voiced–Unvoiced Classification of Speech 149\u003cbr\u003e\u003c\/b\u003e6.1 Introduction 149\u003cbr\u003e6.2 Pitch Estimation Methods 150\u003cbr\u003e6.3 Voiced–Unvoiced Classification 178\u003cbr\u003e6.4 Summary 196\u003c\/p\u003e \u003cp\u003e\u003cb\u003e7 Analysis by Synthesis LPC Coding 199\u003cbr\u003e\u003c\/b\u003e7.1 Introduction 199\u003cbr\u003e7.2 Generalized AbS Coding 200\u003cbr\u003e7.3 Code-Excited Linear Predictive Coding 219\u003cbr\u003e7.4 Summary 258\u003c\/p\u003e \u003cp\u003e\u003cb\u003e8 Harmonic Speech Coding 261\u003cbr\u003e\u003c\/b\u003e8.1 Introduction 261\u003cbr\u003e8.2 Sinusoidal Analysis and Synthesis 262\u003cbr\u003e8.3 Parameter Estimation 263\u003cbr\u003e8.4 Common Harmonic Coders 268\u003cbr\u003e8.5 Summary 275\u003c\/p\u003e \u003cp\u003e\u003cb\u003e9 Multimode Speech Coding 277\u003cbr\u003e\u003c\/b\u003e9.1 Introduction 277\u003cbr\u003e9.2 Design Challenges of a Hybrid Coder 280\u003cbr\u003e9.3 Summary of Hybrid Coders 281\u003cbr\u003e9.4 Synchronized Waveform-Matched Phase Model 285\u003cbr\u003e9.5 Hybrid Encoder 298\u003cbr\u003e9.6 Speech Classification 311\u003cbr\u003e9.7 Hybrid Decoder 319\u003cbr\u003e9.8 Performance Evaluation 320\u003cbr\u003e9.9 Quantization Issues of Hybrid Coder Parameters 322\u003cbr\u003e9.10 Variable Bit Rate Coding 331\u003cbr\u003e9.11 Acoustic Noise and Channel Error Performance 336\u003cbr\u003e9.12 Summary 350\u003c\/p\u003e \u003cp\u003e\u003cb\u003e10 Voice Activity Detection 357\u003cbr\u003e\u003c\/b\u003e10.1 Introduction 357\u003cbr\u003e10.2 Standard VAD Methods 360\u003cbr\u003e10.3 Likelihood-Ratio-Based VAD 368\u003cbr\u003e10.4 Summary 375\u003c\/p\u003e \u003cp\u003e\u003cb\u003e11 Speech Enhancement 379\u003cbr\u003e\u003c\/b\u003e11.1 Introduction 379\u003cbr\u003e11.2 Review of STSA-based Speech Enhancement 381\u003cbr\u003e11.3 Noise Adaptation 402\u003cbr\u003e11.4 Echo Cancellation 406\u003cbr\u003e11.5 Summary 423\u003c\/p\u003e \u003cp\u003eBibliography 426\u003cbr\u003eIndex 429\u003c\/p\u003e\u003c\/font\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cfont size=\"3\"\u003eSubject Areas: Electronics \u0026amp; communications engineering [\u003ca title=\"See our other books on Electronics \u0026amp; communications engineering\" href=\"https:\/\/freshlyprintedbooks.co.uk\/search?q=%22Electronics%20\u0026amp;%20communications%20engineering%20%5BTJ%5D%22\"\u003eTJ\u003c\/a\u003e]\u003c\/font\u003e\u003c\/p\u003e\r\n\r\n\r\n\u003c\/font\u003e","brand":"Wiley","offers":[{"title":"Brand 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