Method for conducting a video conference

Details Method for conducting a video conference Method for conducting a video conference

2003-10-29

2008-11-18

Gauthier, Gerald (Department: 2614)

Multiplex communications

Special services

Conferencing

C370S395530, C375S240260, C709S230000

Reexamination Certificate

active

07453829

ABSTRACT:
A video conferencing terminal includes an encoder that receives a baseband audio signal and a baseband video signal and creates compressed audio packets and compressed audio-video packets. A network interface driver receives the compressed audio packets and the compressed audio-video packets, IP encapsulates the compressed audio packets and the compressed audio-video packets, transmits the IP packets onto an IGMP network. The network interface driver also requests audio packets and audio-video packets from the network and recovers compressed audio packets and compressed audio-video packets from the IP packets received from the network. A decoder receives compressed audio packets and compressed audio-video packets from the network interface driver and generates a baseband video signal and multiple baseband audio signals.

REFERENCES:
patent: 7039116 (2006-05-01), Zhang et al.
patent: 2002/0036990 (2002-03-01), Chodor et al.
patent: 2003/0235338 (2003-12-01), Dye
patent: 2004/0223464 (2004-11-01), Dye et al.

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