Method and apparatus for initializing filter coefficients in an

Details Method and apparatus for initializing filter coefficients in an Method and apparatus for initializing filter coefficients in an

1984-01-30

1987-02-24

Brown, Thomas W.

Telephonic communications

Echo cancellation or suppression

370 32, H04B 320

Patent

active

046458840

ABSTRACT:
The filter coefficients of an echo cancelling arrangement having a near echo canceller and a distant echo canceller are initialized in accordance with a method and apparatus wherein the following steps are performed:

REFERENCES:
patent: 3588385 (1971-06-01), Moye
patent: 4144417 (1979-03-01), Oshima et al.
patent: 4162378 (1979-07-01), Baudoux et al.
patent: 4355214 (1982-10-01), Levy et al.
patent: 4370741 (1983-01-01), Haass
patent: 4577309 (1986-03-01), Barazeche et al.
"A Passband Data-Driven Echo Canceller for Full-Duplex Transmission on Two-Wire Circuits", Stephen Weinstein, IEEE Transactions on Communications vol. Com-25, No. 7, Jul. 1977, pp. 654-666.

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