Apparatus and method for automatic gain control and echo...

Details Apparatus and method for automatic gain control and echo... Apparatus and method for automatic gain control and echo...

2005-07-16

2010-10-12

Jamal, Alexander (Department: 2614)

Telephonic communications

Line equalization or impedance matching

Reexamination Certificate

active

07813495

ABSTRACT:
A communications cabling front-end architecture that achieves solid echo cancellation and lower noise performance by combining an echo-cancellation circuit and an equalizer function at the same point, at the most front-end of the system.

REFERENCES:
patent: 4757530 (1988-07-01), Arnon
patent: 6545622 (2003-04-01), Kamal et al.
patent: 6980644 (2005-12-01), Sallaway et al.
patent: 2006/0062378 (2006-03-01), Choksi
patent: WO/2004/073274 (2004-08-01), None

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