Speech recognition system utilizing IC cards for storing unique

Details Speech recognition system utilizing IC cards for storing unique Speech recognition system utilizing IC cards for storing unique

1989-07-21

1990-10-02

Shoop, Jr., William M.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

235380, G10L 506

Patent

active

049612298

ABSTRACT:
A speech recognition system for identifying a person by his voice includes an IC card, an IC card reader, a microphone, an A/D converter, an analyzer, and a collating circuit. The IC card is carried by a person whose voice pattern is stored therein. The IC card reader reads out the voice pattern from the IC card. The microphone, the A/D converter, and the analyzer cooperate to extract an actual voice pattern of the person carrying the IC card. The collating circuit collates the voice pattern read out from the IC card with the actual voice pattern from the analyzer.

REFERENCES:
patent: 3816722 (1974-06-01), Sakoe et al.
patent: 4189712 (1980-02-01), Lemelson
patent: 4449189 (1984-05-01), Feix et al.
patent: 4582985 (1986-04-01), Lofberg
patent: 4590604 (1986-05-01), Feilchenfeld
patent: 4653097 (1987-03-01), Watanabe et al.
patent: 4827518 (1989-05-01), Feastel et al.

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