Efficient adaptive vector quantization of LPC parameters

M.A Ferrer-Ballester,A.R Figueiras-Vidal

doi:10.1109/89.397097

Efficient adaptive vector quantization of LPC parameters

M.A Ferrer-Ballester, A.R Figueiras-Vidal

https://doi.org/10.1109/89.397097

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Journal: IEEE Transactions on Speech and Audio Processing	Publication Date: Jul 1, 1995
Citations: 3

#Adaptive Quantizer #Objective Evaluations + Show 8 more

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Abstract

This correspondence presents a new two-stage adaptive vector quantizer of LSF parameters in LPC speech coding. The first codebook is adapted by a partition-delete operation, whereas the code-vectors of the second codebook remain unchanged. The objective and subjective evaluations show that the proposed scheme offers transparent quantization with 22 b/frame.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>

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