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Erschienen in:
1988 | OriginalPaper | Buchkapitel
Recent Advances in Speech Coding
verfasst von : D. Wolf, H. Reininger
Erschienen in: Recent Advances in Speech Understanding and Dialog Systems
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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After a short summary of some basic properties of speech signals and of speech signal models the effect of linear prediction and vector quantization for data compression in speech coding is outlined. Some well-known coding schemes are reviewed. The recently developed RELP-S schemes based on speech analysis by synthesis are discussed in more detail. In particular a scheme using stochastic excitation sequences is expected to guarantee high speech quality at data rates far below 8 kb/s.