Importance

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Abstract

A versatile video pattern and audio pattern generation module, that can be integrated onto a video integrated circuit (IC) to generate functional video test input data, in HDMI format, for gray bars, color bars and moving bar data patterns, and to further generate single-tone audio signals, is disclosed. This video signal generator can be made part of the built-in-self test (BIST) to allow simplified testing of the IC. The signals generated can be used to test the video and audio functionality, as well as enabling a system to be demonstrated in the field. The output of the generator during the demonstration can be displayed using any suitable video display enabling simplified demonstration set-up. These video and audio signals can bemused as a diagnostic tool by the consumer and also for debugging the IC and system as may be necessary.

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First Claim