Patent ID: 6288740
Filing Date: 2001-09-11
Classification: H04N

Abstract:
A method of conferencing in a multipoint control unit, the method comprising the steps of:connecting plural sites to the multipoint control unit and receiving video signals at the multipoint control unit from each site;selecting and assigning anchored sites to anchored regions of a composite video image;selecting a switched site according to a selection process and assigning the switched site to a switched region of the composite video image;processing the video signals in the multipoint control unit according to the composite video image assignments to provide composite video signals for transmission to the plural sites; andselecting a rotating site assignable to any of said regions and wherein the video signal of the switched site appears in the switched region of each composite video signal sent to the anchored sites and the rotating site, the video signal of the rotating site appears in the switched region of the composite video signal sent to the switched site, and the video signal of the rotating site appears in the respective anchored region of the composite video signal sent to each anchored site.