Error Detection and Mitigation in Video Channels
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United States of America Patent
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Issued Date -
Nov 12, 2015
app pub date -
May 12, 2014
filing date -
May 12, 2014
priority date (Note) -
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Abstract
A system for detecting and mitigating bit errors in transmitted media is described herein. A source device encodes a frame of video, and generates an error code representative of a portion of the encoded frame of video. The portion of encoded frame and the error code are provided to a sink device via a communication channel, such as an HDMI or MHL3 channel. A second error code is generated by the sink device based on the portion of encoded frame, and the error code and second error code are compared to determine if the portion of encoded frame includes an error. If no error is detected, the portion of encoded frame is decoded and outputted. If an error is detected, the portion is replaced with frame data based on at least one other portion of encoded frame to produce a mitigated frame, and the mitigated frame is outputted.
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