Recognizer for recognizing voice messages in pulse code modulate

Details Recognizer for recognizing voice messages in pulse code modulate Recognizer for recognizing voice messages in pulse code modulate

1993-12-20

1996-02-27

MacDonald, Allen R.

395 24, G10L 900

Patent

active

054955530

ABSTRACT:
A recognition device and method for recognizing a voice message in the form of pulse code modulation (PCM) digital signals indicative of samples of the voice message. The device and method are adapted such that a recognition result is not provided if the digital signal content satisfies certain requirements which are indicative of a likely erroneous recognition result. The recognition device and method are further adapted to reduce errors in recognizing voice messages of the same message content but different amplitude, as well as to permit simultaneous recognition and storing for recording of a voice message.

REFERENCES:
patent: 4063031 (1977-12-01), Grunza
patent: 4426733 (1984-01-01), Brenig
patent: 4449190 (1984-05-01), Flanagan et al.
patent: 5033088 (1991-07-01), Shipman
patent: 5042063 (1991-08-01), Sakanishi et al.

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