Speech Coding Techniques And Standards
Speech Coding Techniques And Standards
A Brief Prehistory of Voice over IP parts 1 & 2
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Speech Coding Algorithms $174 Speech coding is a highly mature branch of signal processing deployed in products such as cellular phones, communication devices, and more recently, voice over internet protocol This book collects many of the techniques used in speech coding and presents them in an accessible fashion Emphasizes the foundation and evolution of standardized speech coders, covering standards from 1984 to the present The theory behind the applications is thoroughly analyzed and proved |
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Modulation and Coding Techniques in Wireless Communications $140 The high level of technical detail included in standards specifications can make it difficult to find the correlation between the standard specifications and the theoretical results. This book aims to cover both of these elements to give accessible information and support to readers. It explains the current and future trends on communication theory and shows how these developments are implemented in contemporary wireless communication standards. Examining modulation, coding and multiple access techniques, the book is divided into two major sections to cover these functions. The two-stage approach first treats the basics of modulation and coding theory before highlighting how these concepts are defined and implemented in modern wireless communication systems. Part 1 is devoted to the presentation of main L1 procedures and methods including modulation, coding, channel equalization and multiple access techniques. In Part 2, the uses of these procedures and methods in the wide range of wireless communication standards including WLAN, WiMax, WCDMA, HSPA, LTE and cdma2000 are considered. An essential study of the implementation of modulation and coding techniques in modern standards of wireless communication Bridges the gap between the modulation coding theory and the wireless communications standards material Divided into two parts to systematically tackle the topic - the first part develops techniques which are then applied and tailored to real world systems in the second part Covers special aspects of coding theory and how these can be effectively applied to improve the performance of wireless communications systems |
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C++ Coding Standards $49.49 C++ Coding Standards |
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Digital Speech Transmission $74.95 The enormous advances in digital signal processing (DSP) technology have contributed to the wide dissemination and success of speech communication devices – be it GSM and UMTS mobile telephones, digital hearing aids, or human-machine interfaces. Digital speech transmission techniques play an important role in these applications, all the more because high quality speech transmission remains essential in all current and next generation communication networks. Enhancement, coding and error concealment techniques improve the transmitted speech signal at all stages of the transmission chain, from the acoustic front-end to the sound reproduction at the receiver . Advanced speech processing algorithms help to mitigate a number of physical and technological limitations such as background noise, bandwidth restrictions, shortage of radio frequencies, and transmission errors. Digital Speech Transmission provides a single-source, comprehensive guide to the fundamental issues, algorithms, standards, and trends in speech signal processing and speech communication technology. The authors give a solid, accessible overview of:; fundamentals of speech signal processing; speech coding, including new speech coders for GSM and UMTS; error concealment by soft decoding; artificial bandwidth extension of speech signals; single and multi-channel noise reduction; acoustic echo cancellation. This text is an invaluable resource for engineers, researchers, academics, and graduate students in the areas of communications, electrical engineering, and information technology. |
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Techniques and Standards for Image, Video, and Audio Coding by Rao, K. R.; Hwang, J.J. Edition ILL, 1 $68.49 As audio and visual applications on CDs and on the Internet become more complex (videophones, multimedia books and videogames, video conferencing), coding and compression of these files is necessary for speed and size requirements. This book is the first to address the established and emerging international standards related to image/video/audio compression and coding. Covers all of the international standards for coding and compression, both approved and emerging, plus the latest coding and compression techniques, concepts, and principles. For engineers and software developers working in multimedia, communications, and networking. |
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Digital Speech $120 Building on the success of the first edition Digital Speech offers extensive new, updated and revised material based upon the latest research. This Second Edition 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. Features new chapters on Pitch Estimation and Voice-Unvoiced Classification of Speech, Harmonic Speech Coding and Multimode Speech Coding Presents a comprehensively revised chapter entitled Analysis by Synthesis LPC Coding including specific examples of popular speech coders such as CELP (Code-Excited Linear Predictive) Coding Contains an updated chapter on Efficient LPC Quantization Methods including MSVQ and anti-aliasing filtering Discusses Voice Activity Detection (VAD) methods Offers expanded coverage of speech enhancement techniques such as echo cancellation and noise suppression Written 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. |
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Speech Communications $200 "Today the wireless communications industry is heavily dependent upon advanced speech coding techniques, while the integration of personal computers and voice technology is poised for growth. In this revised and updated second edition, a timely overview of the science of speech processing helps you keep pace with these rapidly developing advances. Students of electrical engineering, along with computer scientists, systems engineers, linguists, audiologists, and psychologists, will find in this one concise volume an interdisciplinary introduction to speech communication. This reference book addresses how humans generate and interpret speech and how machines simulate human speech performance and code speech for efficient transmission. With a skillful blending of the basic principles and technical detail underlying speech communication, this broad-based book offers you essential insights into the field. You will learn state-of-the-art techniques to analyze, code, recognize, and synthesize speech. In addition, you will gain a better understanding of the limits of today's technology and an informed view of future trends for speech research. SPEECH COMMUNICATIONS brings you an integrated approach to human and machine speech production and perception that is unmatched in the field. This book is complete with up-to-date references and Web addresses that will lead you to a wealth of resources for your own research into speech communication." |
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High-Fidelity Multichannel Audio Coding $80 This book covers a wide range of knowledge on perceptual audio coding, from basic digital signal processing and data compression techniques to advanced audio coding standards and innovate coding tools. It is the only book available on the market that solely focuses on the principles of high-quality audio codec design for multichannel sound sources. |
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Error Control Coding $45.5 Error-controlled coding techniques are used to detect and/or correct errors that occur in the message transmission in a digital communications system. Wireless personal channels used by mobile communications systems and storage systems for digital multimedia data all require the implementation of error control coding methods. Demonstrating the role of coding in communication and data storage system design, this text illustrates the correct use of codes and the selection of the right code parameters. Relevant decoding techniques and their implementation are discussed in detail. Providing communication systems engineers and students with guidance in the application of error-control coding, this book emphasizes the fundamental concepts of coding theory while minimising the use of mathematical tools. * Reader-friendly approach ti coding in communication systems providing examples of encoding and decoding, information theory and criteria for code selection. * Thorogh descriptions of relevant application, including telephony on satellite links, GSM, UMTS and multimedia standards, CD, DVD and MPEG. * Provides coverage of the fundamentals of coding and the applications of codes to the design of real error control systems. * End of chapter problems to test and develop understanding |
May 15th, 2010 in
Programming | tags: css, css3, design, speech coding techniques and standards, tools, webdesign