Method for speaker recognition in a telephone switching system

Details Method for speaker recognition in a telephone switching system Method for speaker recognition in a telephone switching system

1989-09-01

1992-03-03

Brown, Thomas W.

Telephonic communications

Audio message storage, retrieval, or synthesis

Multilingual system or operation

3701052, 3701101, 379388, H04J 306, H04M 160

Patent

active

050938550

ABSTRACT:
A method and apparatus for speaker recognition in a telephone switching system. For speaker recognition in, in particular, a system fashioned as an ISDN communications system, speech specimens are input into a telephone terminal equipment (T1, T2) and are pre-processed there, being, in particular, sampled with a sampling rate that is doubled in comparison to the usual sampling rate. The samples are transmitted to a switching system (VA) in the two ISDN data channels (B1, B2) in alternation, the actual speaker recognition (SPR) being carried out in this switching system (VA).

REFERENCES:
patent: 4592045 (1986-05-01), Fundneider
patent: 4763350 (1988-08-01), Immendorfer et al.
patent: 4864301 (1989-09-01), Helferich
"ISDN Network Terminating Equipment", J. M. Griffiths, IEEE Trans. on Commus., vol. COM-30, No. 9, Sep. 1982, pp. 2137-2142.
"ISDN Performance Tradeoffs", W. S. Gifford, IEEE Communications Magazine, vol. 25, No. 12, Dec. 1987, pp. 25-29.

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