Method and apparatus for echo canceling in a communication syste

Details Method and apparatus for echo canceling in a communication syste Method and apparatus for echo canceling in a communication syste

1994-12-05

1996-09-03

Hofsass, Jeffery

Telephonic communications

Subscriber line or transmission line interface

Network interface device

379406, 379411, 379 58, 379402, H04M 908

Patent

active

055531377

ABSTRACT:
A communication system including a base station (102) and a handset (104) provides a reduced level of near end reflections which results in a reduced level of sidetone for both near end and far end users. The base station includes an echo canceler (124) that trains on noise generated by the echo canceler (124) during inter digit dialing.

REFERENCES:
patent: 4843621 (1989-06-01), Potratz
patent: 5381475 (1995-01-01), Cavallo
patent: 5398282 (1995-03-01), Forrester et al.
L3000 SLC Mar. 9, 1993 Data Sheets SGS-Thomson.
PS1913 Feb. 1991 Telecoms IC Handbook, Plessey Semiconductors.

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