Keyword detection in continuous speech using continuous...

Details Keyword detection in continuous speech using continuous... Keyword detection in continuous speech using continuous...

G - Physics

06

F

354/47

G06F 17/28 (2006.01)

Patent

CA 1056504

ABSTRACT OF THE DISCLOSURE A system for detecting one or more keywords in continuous speech is disclosed wherein a speech processor extracts a plurality of analog speech parameters from the input continuous speech, an STV generator circuit selectively converts the plurality of analog speech parameters into digitized speech samples, an asynchronous correlation circuit continuously correlates sequences of the digitized speech samples with stored reference mask templates representative of sub- elements of one or more desired keywords in order to produce correlation data, and a decision function circuit is responsive to the correlation data for developing an occurrence decision output for each desired key- word that is detected.

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