Proceedings of the 2000 IEEE Workshop on Speech Coding, Delavan, Wisconsin, September 17-20, 2000.doi: 10.1109/SCFT.2000.878387
Abstract: This paper identifies optimum levels of reverse water-filling for codebook-based coding of noise and speech signals. We find that there is little to be gained from optimizing an effective rate parameter. We identify trade-offs between SNR and log-spectral error. We show that the use of a gain factor compares favorably with reverse water-filling in some situations.
Keywords: signal processing; signal-to-noise ratio; speech coding; bit rate; speech enhancement; Density measurement; Distortion measurement; Subspace constraints; Vectors; noise levels
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Stephen D. Voran
Institute for Telecommunication Sciences
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