Patent ID: 7796157

Claim:
A system for transferring audio visual data over a video network, the system comprising: a first video device configured to communicate audio visual data to a second video device through the video network; a first diagnostic device connected to the first video device and configured to obtain audio and video metrics of audio visual data output by the first video device; a second diagnostic device connected to the second video device and configured to obtain audio and video metrics of audio visual data output by the second video device, wherein the first diagnostic device and the second diagnostic each include, a diagnostic tool configured to access audio visual data as it travels over said video network, and a diagnostic engine interfaced with the diagnostic tool and configured to determine performance statistics by analysis of the audio visual data accessed with the diagnostic tool, wherein the diagnostic tool is further configured to analyze the audio visual data at a network layer; and a video analyzing device configured to determine a point in the video network at which errors are introduced into the audio visual data.