Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent
1991-07-01
1993-05-18
Shaw, Dale M.
Electrical audio signal processing systems and devices
One-way audio signal program distribution
Public address system
381 52, 381 41, G10L 506, G10L 500, G10L 502
Patent
active
052127303
ABSTRACT:
A name recognition system (FIG. 1 )used to provide access to a database based on the voice recognition of a proper name spoken by a person who may not know the correct pronunciation of the name. During an enrollment phase (10), for each name-text entered (11) into a text database (12), text-derived recognition models (22) are created for each of a selected number of pronunciations of a name-text, with each recognition model being constructed from a respective sequence of phonetic features (15) generated by a Boltzmann machine (13). During a name recognition phase (20), the spoken input (24,25) of a name (by a person who may not know the correct pronunciation) is compared (26) with the recognition models (22) looking for a pattern match--selection of a corresponding name-text is made based on a decision rule (28).
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IEEE Trans. on Acoustics, Speech and Signal Processing, vol. 37, No. 3, Mar. 1989, "Phoneme Recognition Using Time-Delay Neural Networks" by Waibel et al., pp. 328-339.
Picone Joseph W.
Wheatley Barbara J.
Donaldson Richard L.
Hiller William E.
Jansson Pehr B.
Shaw Dale M.
Texas Instruments Incorporated
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