Speech coding algorithms

Speech coding algorithms

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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 provedThe excitation codevector v[n] is constructed by summing the four pulses according to (16.51) alt;=0 i=0 where s/ = Ap1 is the sign of ... Restriction on the pulse positions is that they can either be all odd or all even, selected with a grid bit. ... Tables 16.2 and 16.3 show the bit-allocation scheme for the G. 723.1 coder, resulting in the bit-rates of 6300 and 5266.67 bps. ... The process culminated in 1996 when the coder proposal submitted jointly by Nokia and the University of Sherbrooke wasanbsp;...

Title:Speech coding algorithms
Author: Wai C. Chu
Publisher:Wiley-Interscience - 2003-05-01

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