Echo canceller system

Details Echo canceller system Echo canceller system

1981-11-09

1984-10-30

Rubinson, Gene Z.

H04B 320

Patent

active

044801564

ABSTRACT:
In addition to the telephone signal input and output terminals, a unit circuit is provided with novel input and output interfaces, and m echo canceller unit circuits are connected to each other in cascade with data buses in order to cancel the echoes of an m-times echo path delay.

REFERENCES:
patent: 3647992 (1972-03-01), Thomas
patent: 3922505 (1975-11-01), H/o/ ge
patent: 4162378 (1979-07-01), Bandoux et al.

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