Patent ID: 9071821
Filing Date: 2015-06-30
Classification: H04N

Abstract:
1. A method, comprising: requesting a master controller coupled to a video matrix switch for access to a multimedia handling device as an active unit under test, wherein the video matrix switch is coupled to the multimedia handling device and to a plurality of additional multimedia handling devices; obtaining, from the multimedia handling device via the video matrix switch, a video signal including a series of frame images and corresponding audio data output by the multimedia handling device operating as a terminal device of a multimedia content distribution network; recognizing a video freeze event when a difference between two images in the series of frame images is less than a video threshold; recognizing an audio freeze event when a signal power of a portion of the audio data is below an audio threshold; and sending a command to the multimedia handling device responsive to recognizing an instance of the video freeze event coexisting with an instance of the audio freeze event.