Importance

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Abstract

A method, apparatus, article of manufacture for generating a video signal having an auxiliary data payload complying with a data payload protocol selectable from at least two available data payload protocols is disclosed. An exemplary embodiment of the method comprises the steps of generating a data reference signal (which describes an auxiliary data payload protocol including an auxiliary data payload clock speed) at a baseline clock speed compliant with both of the two data protocols; appending the auxiliary data payload signal at the auxiliary data payload clock speed to the data reference signal; and inserting the data reference signal and the appended auxiliary data payload signal in a portion of at least one line of a video frame. An exemplary embodiment of the apparatus comprises a generator, for generating at least one line of a video frame having a data reference signal at a baseline clock speed compliant with two data protocols and an appended auxiliary data payload. The data reference signal is compliant with the two data protocols and describes a selected auxiliary data payload protocol including the auxiliary data payload clock speed.

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First Claim