Title :
State encoding of Hidden Markov linear prediction models
Author :
Krishnamurthy, Vikram ; Poor, H.Vincent
Author_Institution :
Department of Electrical and Electronic Engineering, University of Melbourne, Parkville, Victoria 3052, Australia
Abstract :
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.
Keywords :
Decoding; Hidden Markov models; Markov processes; Speech; Speech coding; Switches; Vocoders; Markov jump linear systems; Non-linear filtering; finite dimensional filters; speech synthesis; state estimation;
Journal_Title :
Communications and Networks, Journal of
DOI :
10.1109/JCN.1999.6596945