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The Hearsay-I Speech Understanding System: An Example of the Recognition Process

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4 Author(s)
Reddy, D.R. ; Department of Computer Science, Carnegie-Mellon University ; Erman, L.D. ; Fennell, R.D. ; Neely, R.

This paper describes the structure and operation of the Hearsay-I1speech understanding system by the use of a specific example illustrating the various stages of recognition. The system consists of a set of cooperating independent processes, each representing a source of knowledge. The knowledge is used either to predict what may appear in a given context or to verify hypotheses resulting from a prediction. The structure of the system is illustrated by considering its operation in a particular task situation: Voice-Chess. The representation and use of various sources of knowledge are outlined. Preliminary results of the reduction in search resulting from the use of various sources of knowledge are given.

Published in:

Computers, IEEE Transactions on  (Volume:C-25 ,  Issue: 4 )

Date of Publication:

April 1976

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