Adaptive audio delay control for multimedia conferencing

Details Adaptive audio delay control for multimedia conferencing Adaptive audio delay control for multimedia conferencing

1996-08-02

1999-09-14

Loomis, Paul

Television

Two-way video and voice communication

User positioning

348 14, 379 9321, H04N 714

Patent

active

059530499

ABSTRACT:
In an illustrative embodiment, an audio/video conferencing system comprises two or more audio/video terminals, in which the transmitted and/or received audio is automatically adjusted to provide synchronization between audio and video during periods of monologue (i.e., single talker active for significant duration). During interactive periods in which more than one talker is active, the audio delay is automatically adjusted to be less than the video delay, thus improving audio conference quality.

REFERENCES:
patent: 4937856 (1990-06-01), Natarajan
patent: 5113431 (1992-05-01), Horn
patent: 5231492 (1993-07-01), Dangi et al.
patent: 5371534 (1994-12-01), Dagdeviren et al.
patent: 5689553 (1997-11-01), Ahuja et al.
patent: 5818514 (1998-10-01), Duttweiler

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