Speech recognition apparatus including speaker-independent dicti

Details Speech recognition apparatus including speaker-independent dicti Speech recognition apparatus including speaker-independent dicti

1990-09-28

1992-09-01

Fleming, Michael R.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

381 43, G10L 500

Patent

active

051446723

ABSTRACT:
A speech recognition apparatus includes an input unit, a pattern generator, a speaker-independent dictionary for storing a first group of reference patterns, and a speaker-dependent dictionary for storing a second group of reference patterns. The apparatus also includes a dictionary information storing unit which stores dictionary information about the first group of reference patterns and the second group of reference patterns, and a weighting unit which calculates a weighting factor from the dictionary information and which weights the second group of reference patterns in the speaker-dependent dictionary by using the weighting factor to thereby output weighted reference patterns. Further, the apparatus includes a recognition unit which recognizes the speech pattern generated by the pattern generator by using the first group of reference patterns in the speaker-independent dictionary and the weighted reference patterns supplied from the weighting unit, so that the first group of reference patterns and the weighted reference patterns are equally handled.

REFERENCES:
patent: 4694493 (1987-09-01), Sakoe
patent: 4910782 (1990-03-01), Watari
Ser. No. 07/566,884 filed Aug. 13, 1990 by Ariyoshi et al.

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