ECHO CANCELLER HAVING TWO ECHO PATH MODELS

ECHO CANCELLER HAVING TWO ECHO PATH MODELS

An echo canceller having self-adaptive means retaining a first echo path model is comprised of means retaining a second echo path model, means for subtracting the output signal of the second echo path model means from the send-in signal to produce the send-out signal, means for comparing the first a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: OCHIAI K,JA, ARASEKI T,JA
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Beschreibung
Zusammenfassung:An echo canceller having self-adaptive means retaining a first echo path model is comprised of means retaining a second echo path model, means for subtracting the output signal of the second echo path model means from the send-in signal to produce the send-out signal, means for comparing the first and the second echo path models, and means responsive to the results of comparison for transferring the echo path model from one of the first and the second echo path model means to the other.