| US 7,464,262 B2 | ||
| Method and apparatus for synchronizing audio and video in encrypted videoconferences | ||
| Bran Ferren, Beverly Hills, Calif. (US); W. Daniel Hillis, Encino, Calif. (US); and Gerard Roccanova, Huntington Beach, Calif. (US) | ||
| Assigned to Applied Minds, Inc., Glendale, Calif. (US) | ||
| Filed on Sep. 12, 2003, as Appl. No. 10/661,110. | ||
| Prior Publication US 2005/0058287 A1, Mar. 17, 2005 | ||
| Int. Cl. H04L 9/00 (2006.01); H04K 1/00 (2006.01); H04N 7/14 (2006.01) | ||
| U.S. Cl. 713—150 [380/217; 348/14.08; 348/14.13] | 13 Claims |
| 1. A method for synchronizing audio and video in encrypted videoconferences, comprising the steps of:
providing a plurality of conference sites; and
providing a hub for receiving a compressed and encrypted, composite audio and video signal from each site, for determining
a currently active site, and for transmitting said composite audio and video signal from said currently active site to all
other sites;
said hub separately receiving a compressed and encrypted audio only signal from each site;
wherein said hub separately routes all incoming compressed and encrypted audio only signals to each site.
|