Control unit for multipoint multimedia/audio conference

Details Control unit for multipoint multimedia/audio conference Control unit for multipoint multimedia/audio conference

2006-05-30

2006-05-30

Azad, Abul K. (Department: 2654)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Application

C704S270100, C379S202010

Reexamination Certificate

active

07054820

ABSTRACT:
A multipoint controller unit in which the audio signal processing is distributed among several audio ports. The control of the audio signal processing may be centrally or distributively managed by one or more audio controllers. The audio signal processing may include selecting audio streams from a common interface and/or mixing the signals from the common interface. Each audio port may enhance the audio signal and generate control information from the audio signal. The audio ports are synchronized by a common information channel while the audio controllers are synchronized by a common control channel interface. Port fragmentation is reduced since the audio signal processing that relates to an endpoint within a conference is handled by a single audio port.

REFERENCES:
patent: 5983192 (1999-11-01), Botzko et al.
patent: 6141597 (2000-10-01), Botzko et al.
patent: 6674842 (2004-01-01), Weinman, Jr.
patent: 6765995 (2004-07-01), Kobayashi

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