Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent
1991-04-23
1993-06-01
Kemeny, Emanuel S.
Electrical audio signal processing systems and devices
One-way audio signal program distribution
Public address system
G10L 500
Patent
active
052167208
ABSTRACT:
An apparatus and method for verifying the identity of an unknown user of a telephone calling card service is disclosed which receives identification information corresponding to a valid user of the service, requests the unknown user to speak an authorization phrase without disclosing the authorization phrase to the unknown user, receives the unknown user's speech signal in response to the request, and verifies the identity of the unknown user based on the received speech signal. Other apparatus, systems, and methods are also disclosed.
REFERENCES:
patent: 3896266 (1975-07-01), Waterbury
patent: 4053710 (1977-10-01), Advani et al.
patent: 4769844 (1988-09-01), Fujimoto
"Evaluation of a High Performance Speaker Verification System For Access Control", Jayant M. Naik et al., 1987 International Conference on Acoustics, Speech, and Signal Processing, Apr. 1987, vol. 4.
"High Performance Speaker Verification Using Principal Spectral Components", Jayant M. Naik et al, ICASSP 86 Proceedings, Apr., 1986, vol. 2.
"Speaker Verification Over Long Distance Telephone Lines", Jayant M. Naik et al., IEEE ICASSP-89, May, 1989.
Ney, "Speaker Recognition Using a Feature Weighting Technique", IEEE ICASSP '82, Paris, May 3-5, 1982, vol. 3, pp. 1645-1648.
Naik, et al., "Evaluation of a High Performance Speaker Verification System for Access Control", IEEE ICASSP '87, Dallas, Apr. 6-9, 1987, pp. 2392-2395.
Beetle, Jr., et al., "Speaker Verification System", IBM Technical Disclosure Bulletin, vol. 10, No. 8, Jan. 1968, pp. 1101-1103.
Gish, et al., "Investigation of Text-Independent Speaker Identification Over Telephone Channels", IEEE ICASSP '85, Tampa, Mar. 26-29, 1985, vol. 1, pp. 379-382.
Doddington George R.
Naik Jayant M.
Netsch Lorin P.
Heiting Leo N.
Jansson Pehr B.
Kemeny Emanuel S.
Kowalski Frank J.
Texas Instruments Incorporated
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