<p>BIDIRECTIONAL ADAPTIVE VOICE FREQUENCY REPEATER A large signal detector is employed to detect large amplitude signals incoming to a bidirectional repeater. An output from the detector is supplied to echo cancelers in the repeater and is used to inhibit updating of the echo canceler impulse response characteristic during intervals that such large incoming signals are present.</p>
申请公布号
CA1252843(A)
申请公布日期
1989.04.18
申请号
CA19850489172
申请日期
1985.08.21
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
CHANCE, CHRISTOPHER P.;COBLE, RALPH P., JR.;INGLE, EDWIN C.;JONES, JOYE A.