COVID HDMI Communicator, Resolves EDID ErrorsUnderstanding Communication Protocol The root cause of most HDMI problems in the field is the I2C communication protocol used in the DDC line which carries both HDCP and EDID. The I2C uses one wire for two way communications. If one device does not detect another device already talking on the line, it would start talking at the same time and cause a collision. This can lead to corrupted HDCP or EDID data. The Covid Communicator has built in technology
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