Patent ID: 7453829
Filing Date: 2008-11-18
Classification: H04L

Abstract:
1. A method of conducting a video conference involving at least first, second and third conference sites connected to a network, the method comprising: (a) at the first site, acquiring an audio signal and a video signal and generating IP encapsulated audio packets and audio-video packets, (b) at the second site, acquiring an audio signal and a video signal and generating IP encapsulated audio-video packets, (c) at the third site, acquiring an audio signal and generating IP encapsulated audio packets, (d) at the first site, receiving audio-video packets from the second site and generating a second site audio signal and a second site video signal therefrom, displaying a video image based on the second site video signal, receiving audio packets from the third site and generating a third site audio signal therefrom, and combining the second site audio signal and the third site audio signal to generate a first site audio mix signal, (e) at the second site, receiving audio packets from the first site and generating a first site audio signal therefrom, receiving audio packets from the third site and generating a third site audio signal therefrom, and combining the first site audio signal and the third site audio signal to generate a second site audio mix signal, and (f) at the third site, receiving audio packets from the first site and generating a first site audio signal therefrom, receiving audio-video packets from the second site and generating a second site audio signal and a second site video signal therefrom, displaying a video image based on the second site video signal, and combining the first site audio signal and the second site audio signal to generate a third site audio mix signal.