Intel Corporation

Mike Gutmann

Peter Tung

Mojtaba Mirashrafi

Rune A Skarbo

Taymoor Arshi

Ben Vrvilo

A video subsystem resides partially on a host processor and partially on a video board. Audio and communications subsystems reside partially on the host processor and partially on a audio/communications board. The video subsystem generates and passes local compressed video signals corresponding to local analog video signals to the communications subsystem. The audio subsystem receives and generates local compressed audio signals corresponding to local analog audio signals to the communications subsystem. The communications subsystem transmits the local compressed video and audio signals over a communications link to a remote computer system. The communications subsystem also receives remote compressed video and audio signals over the communications link from the remote computer system, and passes the remote compressed video and audio signals to the video and audio subsystems, respectively. The video subsystem generates remote analog video signals corresponding to the remote compressed video signals for local playback. The audio subsystem generates remote analog audio signals corresponding to the remote compressed audio signals for local playback.

PC-based conferencing system

A video microcode resides on a video board of the computer conferencing system. A video capture driver, a video manager, and a video applications programming interface reside on a general-purpose host processor of the computer conferencing system. The video microcode receives local analog video signals, generates local compressed video signals corresponding to the local analog video signals, and passes the local compressed video signals to the video capture driver. The video capture driver controls the operations of the video microcode and passes the local compressed video signals to the video manager. The video manager passes the local compressed video signals to a communications subsystem of the computer conferencing system for transmission over a communications link to a remote computer conferencing system. The video manager receives remote compressed video signals from the communications subsystem and passes the compressed video signals to the video capture driver, the communications subsystem having received the remote compressed video signals over the communications link from the remote computer conferencing system. The video capture driver generates remote decompressed video signals corresponding to the remote compressed video signal for local playback.

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Portland, OR, United States of America

Mike Gutmann