Voice verification circuit for validating the identity of an unk

Details Voice verification circuit for validating the identity of an unk Voice verification circuit for validating the identity of an unk

1989-05-09

1991-10-01

Kemeny, Emanuel S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 500

Patent

active

050540831

ABSTRACT:
A speaker verification system receives input speech from a speaker of unknown identity. The speech undergoes linear predictive coding (LPC) analysis and transformation to maximize separability between true speakers and impostors when compared to reference speech parameters which have been similarly transformed. The transformation incorporated a "inter-class" covariance matrix of successful impostors within a database.

REFERENCES:
patent: 4032711 (1977-06-01), Sambur
patent: 4053710 (1977-10-01), Advani et al.
patent: 4653097 (1987-03-01), Watanabe et al.
patent: 4827518 (1989-05-01), Feustel et al.

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