VIDEO CONFERENCING SYSTEM AND METHOD

Video conferencing system including stations at a plurality of different sites, and in which system first and second video channels are simultaneousl y displayed at each site station on a picture-in-picture video monitor (24), a site controller (28) causes a video decoder (14) at the site to decode...

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Bibliographic Details
Main Authors POOLE, ANDREW D, ENGEL, GERNOT MICHAEL
Format Patent
LanguageEnglish
French
Published 30.04.2002
Edition6
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:Video conferencing system including stations at a plurality of different sites, and in which system first and second video channels are simultaneousl y displayed at each site station on a picture-in-picture video monitor (24), a site controller (28) causes a video decoder (14) at the site to decode eithe r a video signal generated at the site or a video signal received from another site via the first video channel. The site controller (28) also responds to a channel assignment signal generated by a system controller by assigning the first video channel to either a first predetermined broadcast frequency or t o a second predetermined broadcast frequency and by assigning a second video channel carrying a video signal received from another site to the other available broadcast frequency. The system controller processes channel allocation requests signals with a predetermined priority from the different sites to generate the channel assignment signals.
Bibliography:Application Number: CA19962220752