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A Walsh-Hadamard Transform LSI for Speech Recognition

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6 Author(s)
Ohga, Hidefumi ; Matsushita Electric Industrial Co., Ltd. ; Yabuuchi, Hidekazu ; Tsuboka, Eiichi ; Mayumi, Kazuaki
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Abstract- Speech recognition systems are coming to a practical stage thanks to the recent progress of the semiconductor technology. We have developed a low cost speaker-dependent speech recognition unit using Walsh-Hadamard transform (WIT). A WHT LSI has been developed to reduce the cost and the space of the recognition unit, and a high rate of recognition has been obtained. The speech recognition algorithm and the LSI are described in this paper.

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Consumer Electronics, IEEE Transactions on  (Volume:CE-28 ,  Issue: 3 )