Method of detecting double talk in an echo canceller

Details Method of detecting double talk in an echo canceller Method of detecting double talk in an echo canceller

1995-09-15

1998-09-15

MacDonald, Allen R.

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

704226, 704227, 704228, G10L 900

Patent

active

058094636

ABSTRACT:
A method of detecting double talk in an echo canceller is provided. The method includes determining far end, near end and echo signal cancelled power, determining the presence of near end, maybe near end and far end speech, and controlling an echo suppressor and filter coefficient updates in an echo canceller.

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