HDMI has changed versions so many times it's been hard to keep up for most people. We've talked about the versions as part of other articles and documents, but it seemed fitting that we'd formulate and maintain a definitive document outlining the changes in a straightforward and easy-to-digest manner for all concerned. Hopefully this article helps you understand the format differences and aids in your ability to discern what features are important to you as you shop for HDMI-equipped products. The reason is that it is a solid backwards-compatible format that can , through PCM audio handle all of the high definition audio formats present today.
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HDMI has changed versions so many times it's been hard to keep up for most people. We've talked about the versions as part of other articles and documents, but it seemed fitting that we'd formulate and maintain a definitive document outlining the changes in a straightforward and easy-to-digest manner for all concerned. Hopefully this article helps you understand the format differences and aids in your ability to discern what features are important to you as you shop for HDMI-equipped products.
The reason is that it is a solid backwards-compatible format that can , through PCM audio handle all of the high definition audio formats present today. What HDMI 1. It also does not support the new xvYCC color space.
The maximum output for this spec is p at 60Hz with 8-bit color depth. Regardless of any display of higher version of HDMI you may have, the source will always limit the maximum bit-depth potential. An HDMI 1. Abstract: HDMI 1.
If both devices are rated to v1. We've found that if the player does a good job at conversion, however, v1. Abstract: This incremental change clarified one of the earlier promises of HDMI, Consumer Electronic Control - a feature that promised "smart" interoperability between components. Unfortunately, this wasn't exactly standardized across the board and, as a result, nearly all manufacturers products only interface within their own brands.
Of all things, this is the most disappointing failure of HDMI to-date. There is no practical reason to prefer 1. Abstract: To be plain, this update was a complete disaster. First of all, nobody asked for HDMI 1. This makes 1. What made HDMI 1. Before HDMI 1. After HDMI 1. Expensive active solutions started coming on-board to alleviate some of the problems within several months but even today there is a large amount of consumer confusion regarding cable certification and how far a signal will travel over copper cables.
The spec also mandated that HDMI 1. Thanks to several companies dedicated to certifying their products for specific distances, this issue is slowly becoming more manageable. The first product on the market with HDMI 1.
If high definition audio is important to you, you still may not need v1. This uncompressed audio, up to 8 channels, can be sent over HDMI 1. Typically, 24p support coincides with v1. Abstract: An incremental change, v1. No difference in features, performance or function over HDMI 1. HDMI 1. Abstract : HDMI 1. It simply adds parameters for testing products. Audio is increased from 8 to 32 channels including simultaneous delivery of multichannel audio to a maximum of four users.
Audio sample frequency is increased to kHz. We'll be sure to keep this document up to date as soon as any HDMI changes are made and will attempt to clarify any questions or issues raised by readers when going through this list.
HDMI seems confusing at first, but if handled well by a manufacturer, the differences can be nearly transparent to consumers. The difficulty comes when selecting budget products that may not implement all of the capabilities needed to maximize the potential of HDMI. Stay tuned, because if the past is any indication of the future and it is HDMI isn't done yet and will continue to evolve in the years to come. Confused about what AV Gear to buy or how to set it up?
Clint Deboer was terminated from Audioholics for misconduct on April 4th, He no longer represents Audioholics in any fashion. CEC capacitance limits changed RGB video quantization range clarification audio control commands added to CEC and commands for timer control brought back in an altered form Concurrently released compliance test specification included Abstract: An incremental change, v1.
About the author: Clint Deboer was terminated from Audioholics for misconduct on April 4th, View full profile. Read the Complete Thread. Bucknekked posts on November 29, From what I understand there is no such thing as a 1. Only with or without Ethernet. I do get confused when manufactures label cables as high speed, I thought they were all the same. An hdmi cable bought almost 10 years ago and I don't seem to have any issues, am I missing something? I have a number of 10 year old HDMI cables that work just fine.
These will be either 4. These will often determine the speed of the cable with 4. End of quote from Blue Jeans These numbers are also misleading a bit because the the cables are made up of 4 pairs of twisted pair wires. The other 3 pairs carry color signals and sync signals. The rating of It is merely the sum of the individual twisted pair. They do it that way since it comes up with a bigger number!
The individual pairs don't do much over 2. Length also matters as do the gauge of the wires within the cable. A skinny but really long Wal-mart special might reach across the room but not carry a full load.
A short fat cable of the same vintage and rating may carry the entire rating of the cable. Its all 1's and 0's to be sure, but signals do degrade over a length of wire so there are possibilities for problems. Will they work at longer distances : yes. At HDMI 1.
It did not change the cabling pattern or construction. It introduced the optional feature of assigning one of the existing pairs of wire an additional task. It is either implemented or not in your attached equipment over the very same cable. No cable changes. A true pain in the ass for many HDMI users. I have rambled on far too long, but there is a fair amount of confusion around cables. Vendors love that. It gives them a chance to explain away the confusion and that explanation almost always results in the sale of a new cable.
There is a difference between High Speed and Standard cables. Standard HDMI cables most 1. If you are watching TV then standard is fine because it's only 24 fps but if you are gaming you want the 60hz. I'm not sure if the connectors themselves makes a difference or is it only in how the cable is designed lower gauge?
I am running my 1. I get confused with cable specs. How long has the communication industry been using them,…over 20 years…come on, lose the copper. You will never ever fill the bandwidth of a fiber cable to show a picture no matter how high the resolution ever gets.
No further upgrades needed in hardware anyway, just protocols for the manufacturers. The cables are also cheap now. They do need a better consumer connector to hide the end so we don't get our grubby hands on them until it's plugged in, but that's it.
You say oh, the transmitters and receivers are expensive, well maybe not if millions are made. It will happen sooner or later, as a matter of fact Theta digital did use them in the 80's for a while. I have been advocating this for years. Fiber would have a longer distance between units, and would stop ground loops dead in their tracks. The only downside, is no control voltage, but you could use a light code instead. Of course HDMI is a two way communication, but so is a telephone.
It would mean receiver and transmitter both ends of the cable which would incur a little more expense. I think this would make receivers and the rest of the chain more reliable. The HDMI connector as it is, is a real mess. So if it increased price, which I think it would, I would still be in favor of going in that direction. Subscribe to our newsletter.
Understanding the Different HDMI Versions (1.0 to 2.0)
Several versions of HDMI have been developed and deployed since the initial release of the technology, but all use the same cable and connector. Other than improved audio and video capacity, performance, resolution and color spaces, newer versions have optional advanced features such as 3D , Ethernet data connection, and CEC Consumer Electronics Control extensions. Production of consumer HDMI products started in late The HDMI specification defines the protocols, signals, electrical interfaces and mechanical requirements of the standard. HDMI 1.
High-Definition Multimedia Interface (HDMI®)
Video formats have advanced and the data rates have increased significantly. Also many new facilities and capabilities need to be controlled. To keep up with these advancements several HDMI versions have been launched. One major advantage of the way that HDMI has advanced through successive versions is that the same 19 pin connector has been used and the versions have been backwards compatible. Although the same basic connector has been used for HDMI, the many updates to the standard have been difficult to track. All the time it has been keeping up with the requirements for audio visual data transmission. New televisions, computer displays, DVD recorders, computers all use HDMI, and as updates to consumer equipment occur relatively rapidly, they will normally use the latest HDMI versions, or at least ones that will be able to accommodate the latest features.
HDMI Versions: 1.1, 1.2, 1.3, 1.4, 2, 2.1 - differences & compatibility
HDMI Specifications and Programs