1974-12-11
1978-01-17
Claffy, Kathleen H.
G10L 100
Patent
active
040693937
ABSTRACT:
An apparatus which receives spoken input training words and a subsequent spoken input command word and generates a correlation function is indicative of the resemblance of the command word to each training word. A feature extraction means processes received input words and generates digital feature output signals on particular ones of a number of feature output lines. Means are provided for storing, as a time dependent matrix, the status of the feature signals which occur during each training word. Means are also provided for storing as a time dependent matrix, the status of the feature signals which occur during the command word. Further means are provided for comparing, member by member, the command word matrix with each training word matrix and for generating a correlation figure which reflects each comparison. In a preferred embodiment of the invention, means are provided for time normalizing the matrices representative of the training words and the command word before the comparisons are made.
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patent: 3588363 (1971-06-01), Herscher et al.
patent: 3592969 (1971-07-01), Yoshino
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patent: 3700815 (1970-10-01), Doddington
patent: 3770891 (1973-10-01), Kalfaian
patent: 3770892 (1973-11-01), Clapper
Cox Robert B.
Herscher Marvin B.
Martin Thomas B.
Claffy Kathleen H.
Kemeny E. S.
Novack Martin
Threshold Technology Inc.
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