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Systolic architectures for connected speech recognition

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3 Author(s)
Charot, F. ; IRISA, Campus De Beaulieu, Rennes Cedex, France ; Frison, P. ; Quinton, P.

Systolic arrays for two connected speech recognition methods are presented. The first method is based on the dynamic time warping algorithm which is applied directly on acoustic feature patterns. The second method is the probabilistic matching algorithm which requires that the input sentence be preprocessed by a phonetic analyzer. It is shown that both methods may be implemented on either a two-dimensional or a linear systolic array. Advantages of each of these implementations are discussed. The architecture of a 12 000 transistors programmable NMOS prototype IC, which can be used as the basic processor of the probabilistic matching systolic arrays, is presented.

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Acoustics, Speech and Signal Processing, IEEE Transactions on  (Volume:34 ,  Issue: 4 )