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Sampling rate versus quantisation in speech coders

delete1997-02-01
delete2
PRE
AI
J
Jennifer A. Fulton *
R
Robert R. Bitmead
R
Robert C. Williamson
DOI：10.1016/S0165-1684(96)00170-3delete
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Abstract

Abstract

En 中文
The use of Kalman filtering techniques to reconstruct down-sampled speech signals is investigated. We compare a full-sampled, coarsely quantised speech coding system with a down-sampled, finely quantised speech coding system transmitting at the same bit-rate. Testing reveals that the down-sampled system can outperform the full-sampled system. Sample rate, sample accuracy and decoding delay are traded to achieve improvements at a fixed bit-rate. (C) 1997 Elsevier Science B.V.
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Journal

Signal Processing cover
Signal Processing
IF:
3.6
Papers:
9.9K
Citations:
1.7W

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