Each HDMI Specification revision has a “revision history” section located near the . Many people are worried, when buying HDMI cable, about the spec version of the cable in question. Is it the latest spec version? Will it support. Needed this cable to connect my HP Envy laptop to my flat screen HD TV so I can watch recorded shows on a secondary TV elsewhere in the house or on trips.

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Speciification at all possible, it is of course nice to have the security of knowing that your cable is actually spec-compliant, and we hope that this article has been helpful in clearing up what that means and how to ascertain it–but if you’re not seeing conspicuous picture problems of these sorts, then your cable is working fine, regardless of whether it’s spec-compliant, and regardless of which version of the spec it was tested under.

These changes happened at the switch from main spec version 1. Select an appropriate category from the pull down below, or, you may use your own search terms to obtain results. Production of consumer HDMI products started in late Retrieved March 7, — via Microprocessor.

What Do HDMI Spec Versions (1.2, 1.3, 1.3a, etc) Mean For Cable Choice?

The link architecture is based on DVI, using exactly the same video transmission format but sending audio and other auxiliary data during the blanking intervals of the video stream.

In recent years, DisplayPort connectors have become a common feature specidication premium [] products—displays, desktop computers, and video cards; most of the companies producing DisplayPort equipment are in the computer sector. Retrieved January 2, Retrieved March 16, Retrieved May 28, Retrieved August 29, Retrieved April 28, Retrieved May 31, Archived from the original on July 2, HEAC utilizes two lines from the connector: For example, displays with Specifivation 1.


If your question involves a specific product, please contact the manufacturer directly. Archived from the original on May 13, Korea Electric Terminal Co. It also changed CEC capacitance limits, and CEC commands for timer control were hmi back in an altered form, with audio control commands added. Plenty of things have indeed changed from one version to another of the spec documents, but only a handful of them have to do with cables; and of those which have to do specificatin cables, quite a few of the changes are minor, insignificant things–nothing affecting performance in any substantial way.

HDMI :: Manufacturer :: Specification

Exact capabilities beyond basic compatibility vary. Under spec version 1.

There have been some other minor edits and revisions, but those don’t really go to the substance of the spec, and don’t affect compliance testing. They have the same conductors, in the same configuration, wired to the connector in the same manner.

We are regularly contacted by manufacturers and vendors of HDMI cable, and we routinely ask them for their compliance certificates which, incidentally, seems to end about half of the conversations; we never get a compliance certificate from quite a few vendors.

Each Data Island Period can contain up to 18 packets.

MegaChips Technology America Corp. If all of the noncompliant cables that are sold actually failed to work in-use, there would be an awful lot of complaining going on about cable quality. Archived spwcification the original PDF on February 18, As we’ve mentioned above, an eye-pattern test begins with a test signal being fed into a cable, and the result is read with a high-frequency oscilloscope which samples the waveform as it comes out of the other end of the cable.

If the cable is sold directly to consumers, then the cable would be subject to a royalty. slecification

The best way to gdmi sure of these matters is to ask your vendor for a copy of his HDMI Compliance Testing Certificate–unfortunately, many vendors either are not completely honest, or are themselves misinformed, about what tests their cables have passed, and at what distances.


The Need For Speed Continues”.

Mini-HDMI to HDMI Specification a Cable – 3 Feet

Likely, based on what we have seen, none. KG Samsung Electronics Co. OR Filter by keywords. Ask for a copy of his compliance certificate; if he won’t show it to you, ask why. Will it support all the features of the devices it’s hooked to?

As we’ve indicated above, there is no reason to worry about your HDMI cable failing to support a new feature because it was designed under a prior spec version; the only thing that is a potential area of concern is that as the bandwidth being pushed through HDMI cables increases, the likelihood of failure increases as well, and a cable which was perfectly adequate to carry i under 1. Higher-quality can reach 12 to 15 meters There are five HDMI connector types.


When HDMI cable fails, it fails conspicuously, generating pixel dropouts “sparkles”line dropouts, flashing or jumping picture, or no picture at all. Archived from the original on January 18, Consortiums address home streaming challenges”.

For example, if a cable or IC is sold to an Adopter who then includes it in a television subject to a royalty, then the cable or IC maker hdmo not pay a royalty, and the television manufacturer would pay the royalty on the final product. A manufacturer can still submit any length of cable he wants, and he can still specify the bandwidth, but he has only two choices in bandwidth, which are “Category 1” and “Category 2.

Many thanks to Blue Jeans Cable for contributing this article. In spec versions 1. Retrieved from ” https: As it happens, however, there is ordinarily a good deal of “headroom” between what will pass the spec and what will actually, under real-world conditions, pass signal.