A practical handbook of speech coders
著者
書誌事項
A practical handbook of speech coders
CRC Press, c2000
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
The demand for digital speech coding algorithms grows every day, fueled by applications such as streaming speech over the Internet, Internet telephone, digital cellular telephony, wireless teleconferencing, and various multimedia applications. Until now, most of the books available on audio coding have been collections of individually authored papers. Others have discussed the fundamental coders, but neglected many of the innovations currently in use. Unlike these books, A Practical Handbook of Speech Coders offers in-depth treatment of the basics of speech coding plus the innovations to the basic methods that make the coders useful and efficient.
The authors designed this work for engineers, scientists, and manager who need to understand the emerging speech coding techniques and telecommunication standards. However, it will prove useful to people at all levels of speech coder experience:
If you want to simply download the code for an existing algorithm, this book helps you evaluate the strengths and weaknesses of all publicly available codes and choose the right one, then points you to the Internet location where the code is available for download.
For experts who want to improve on existing coders, this book provides the parameters of current coders and the techniques to improve upon them. You can download an existing algorithm or code it using the algorithmic descriptions in the book, make your innovations, and then test the code with the procedures given.
If you want to become an expert and have some basic knowledge of digital signal processing, you can learn the innovative steps taken by the inventor of each coder, explore the rigorous research techniques needed to develop your own coder, and become proficient in existing vocoder technology.
目次
Introduction. Speech Production. Speech Analysis Techniques. Linear Prediction Vocal Tract Modeling. Pitch Extraction. Auditory Information Processing. Quantization and Waveform Coders. Quality Evaluation. Voice Coding Concepts. Mixed Excitation Coding. Perceptual Speech Coding. Appendix: Related Internet Sites
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