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An integrated-circuit-based speech recognition system

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2 Author(s)
Murveit, H. ; SRI International, Menlo Park, CA, USA ; Brodersen, R.W.

A high-performance, flexible, and potentially inexpensive speech recognition system is described. The system is based on two special-purpose integrated circuits that perform the speech recognition algorithms very efficiently. One of these integrated circuits is the front-end processor, which computes spectral coefficients from incoming speech. The second integrated circuit computes a dynamic-time-warp algorithm. The system can compare an input word with 1000-word templates and respond to a user within frac{1}{4} s. The system demonstrates that computational complexity need not be a major limiting factor in the design of speech recognition systems.

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Acoustics, Speech and Signal Processing, IEEE Transactions on  (Volume:34 ,  Issue: 6 )