Audio processing system for teleconferencing system

An audio processing system (100) for use in a teleconferencing system (10) utilizes complementary comb filters (42, 52, 220, 320) in combination with an echo suppressor (210, 310) and/or a frequency scaler (60, 120) to substantially improve acoustic stability margin and reduce far-end talker echo.

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Bibliographic Details
Main Authors SHTIRMER; GENNADY, ADDEO; ERIC J, DESMARIAS; JOSEPH J
Format Patent
LanguageEnglish
Published 14.12.1993
Edition5
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
TELEPHONIC COMMUNICATION
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Summary:An audio processing system (100) for use in a teleconferencing system (10) utilizes complementary comb filters (42, 52, 220, 320) in combination with an echo suppressor (210, 310) and/or a frequency scaler (60, 120) to substantially improve acoustic stability margin and reduce far-end talker echo.
Bibliography:Application Number: US19910774085