Speech recognition

Details Speech recognition Speech recognition

1988-08-24

1992-09-08

Shaw, Dale M.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 506

Patent

active

051465035

ABSTRACT:
A speech recognition system comprises a recogniser (2) for receiving speech signals from users. The recogniser (2) compares each received word with templates of words stored in a reference template store (3) and flags each template that corresponds most closely to a received word. The flagged templates are stored in a template store (11). The recogniser (2) compares the speech pattern from a given user of a second utterance of a word for which a flagged template is already stored in the template store (11) with the templates stored in the reference template store (3) and with the flagged templates in the template store (11), so as to produce a second flagged template of that word. The second flagged templates are also stored in the template store (11). Sifting means (21) analyse a group of flagged templates of the same word, and produce therefrom a second, smaller group of templates of the word. These templates are stored in another template store (22).

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