State encoding of Hidden Markov linear prediction models

Vikram Krishnamurthy; H Vincent Vincent Poort

doi:10.1109/jcn.1999.6596945

Abstract

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In this paper, we derive finite-dimensional non-linear filters for optimally reconstructing speech signals in Switched Prediction vocoders, Code Excited Linear Prediction (CELP) and Differential Pulse Code Modulation (DPCM). Our filter is an extension of the Hidden Markov filter.

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