Patent ID: 6604073
Filing Date: 2003-08-05
Classification: G10L

Abstract:
A speech recognition apparatus for recognizing speech uttered by an operator, comprising:a portion for performing a speech recognition process on a voice signal corresponding to said speech to thereby acquire vocal phrase data indicating the uttered phrase; a portion for detecting a point of time when said operator has started uttering said speech and a point of time when said operator has ended uttering said speech on the basis of a signal level of said voice signal to thereby output first utterance duration information; a portion for capturing a mouth of said operator to acquire mouth image data; a portion for detecting a point of time when said operator has started uttering said speech and a point of time when said operator has ended uttering said speech on the basis of said mouth image data to thereby output second utterance duration information; and a controller for outputting said vocal phrase data as long as said first utterance duration information is approximate to said second utterance duration information.