Multiresolution joint source-channel coding applied to Fourier magnitudes of voice spectrum

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Multiresolution joint source-channel coding applied to Fourier magnitudes of voice spectrum

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Application of multiresolution joint source-channel coding to the Fourier magnitudes of the improved multi band excitation speech coder when transmitted through a Rayleigh fading channel is described. A multiresolution algorithm was developed for a vector source and a solution proposed for the empty cell problem.

Inspec keywords: combined source-channel coding; land mobile radio; speech coding; Rayleigh channels

Other keywords: multi band excitation speech coder; voice spectrum; Fourier magnitudes; vector source; empty cell problem; multiresolution joint source-channel coding; Rayleigh fading channel

Subjects: Mobile radio systems; Speech and audio coding

References

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      • Zahir, S.B.: `Combined source-channel coding: panorama of methods', CNES Workshop on Data Compression, 13–14 November 1996, Toulouse, France.
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