Speech recognition system wherein the consonantal characteristic

Details Speech recognition system wherein the consonantal characteristic Speech recognition system wherein the consonantal characteristic

1987-08-06

1989-08-08

Shoop, Jr., William M.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

381 43, G10L 708

Patent

active

048560677

ABSTRACT:
In a speech-recognition system in which time-series patterns of characteristic quantities are extracted from an input utterance within a voiced interval, the local-peak patterns, which are the results obtained by stably extracting the characteristics of the steady vowel portions, and the consonantal patterns, which are the results obtained by stably extracting the characteristics of the consonantal portions, are recognized and identified. This makes it possible to perform accurate and stable speech-recognition including also the characteristics of the consonants.

REFERENCES:
patent: 4060694 (1977-11-01), Suzuki et al.
patent: 4388495 (1983-06-01), Hitchcock
patent: 4415767 (1983-11-01), Gill et al.
patent: 4624010 (1986-11-01), Takebayashi
patent: 4625287 (1986-11-01), Matsuura et al.
1985 IEEE, pp. 842-845; "Speaker Independent Telephone Speech Recognition", Horishi Iizuka.

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