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Discrete utterance recognition based upon source coding techniques

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3 Author(s)
Buzo, A. ; Universidad Nacional de México, Mexico ; Martinez, H. ; Rivera, C.

A speaker-independent isolated word recognition system is described which is based on some techniques and results from rate-distortion speech coders. The recognition system can be viewed as a minimum distortion or nearest-neighbor system where the distortion measure is defined between an observed sequence of frames of speech and a reference pattern. The patterns are sequences of sets of LPC models. Every one of the sets of each pattern consist of a collection of LPC models that "best" reproduces a given frame of a word from a training sequence. The Itakura Saito distortion measure is used to design the system (or selection of the patterns) and for the decision step.

Published in:

Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '82.  (Volume:7 )

Date of Conference:

May 1982