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Ensure HDMI interoperability of consumer electronics

Posted: 16 Jun 2008 ?? ?Print Version ?Bookmark and Share

Keywords:HDMI? interoperability ensure? consumer electronics?

In a few years, HDMI has become the de facto digital interface standard for the high-definition CE market. There are more than 700 adopters of HDMI worldwide. This article discusses product interoperability issues faced by manufacturers and explains how a strong and well-defined program of interoperability performance testing addresses these issues.

As with all types of products, not all high-definition CE devices are designed equally, allowing for various interpretations of standards and testing specifications by manufacturers. Moreover, just one misinterpretation can break the interoperability of an entire system. Meeting consumer expectations is more than just asking "Does it work?" Consumers want to know "Is this the high-performing, fully-interoperable product I was expecting?" Accordingly, there needs to be a means by which consumers, manufacturers and retailers can easily identify products verified to be fully interoperable.

While HDMI Licensing LLC Authorized Testing Centers (HDMI-ATCs) test for electrical parametric and protocol compliance against the HDMI specification, there is a need to build upon this basic interface testing with additional testing programs designed to simplify consumer purchase decisions and enhance the high definition entertainment experience. Testing must encompass robustness as well as interoperability between HD devices from different manufacturers. This type of product-stress and interoperability testing is not available within HDMI-ATCs. There are no HDMI-ATC plug test compliance specifications, or test tools designed to ensure graceful recovery from protocol and interface "glitches."

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