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Specification supports 4K video and 32 channel audio

The HDMI Forum is a nonprofit association that manages the HDMI specification. Today the HDMI 2.0 specification has been officially unveiled and is available for partners to download right now. HDMI 2.0 promises significantly increased bandwidth allowing new features.

HDMI 2.0 supports bandwidth of up to 18 Gbps. That gives the specification the bandwidth to support 4K 50/60 resolution video -- that is four times the clarity of standard 1080p/60 video. HDMI 2.0 also supports 32 audio channels along with dynamic auto lip-see and extensions to CEC.

HDMI 2.0 is backwards compatible with earlier versions of HDMI, and perhaps the best news is that HDMI 2.0 doesn't require new plugs or new cables. Existing high-speed category two cables are already capable of carrying the increased bandwidth provided by HDMI 2.0.

The HDMI 2.0 specification is available for adopters to download via the HDMI Adopter Extranet. A press conference will be held to discuss the new features of HDMI 2.0 at IFA 2013 in Berlin this Friday.


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RE: Excellent!
By EricMartello on 9/4/2013 5:29:05 PM , Rating: 2
And next, 4K will die. It's just not a benefit in most consumer homes. Even with my 80" TV the benefit would only manifest when I'm standing directly in front of the TV.

No it won't. Going from 720P to 1080P was a relatively small jump and it was very noticeable. Going from 1080P to 4K is 100% resolution improvement, so with the approriate content you will see a substantial improvement.

What kind of improvements?

Dynamic range, in particular, because for a given gradation you will have more pixels per area to represent transitions from bright to dark as well as between various colors.

You will also see far more detail, sharpness and clarity. Great not only for movies and TV shows, but for gaming.

Worried about a lack of 4K content? Don't be...because many people now get their content from online streaming services, the adoption of 4K content doesn't require broadcasters to be "on board". Youtube already supports 4K video and it's likely that Amazon Prime and Netflix will too...and don't forget about the pirate bay. Most modern films and TV shows were originally shot in 4K; most theater projectors have been 4K for years so there is an abundance of content, with many production companies already equipped to shoot and process 4K video.

Lastly, the correlation of screen size to screen resolution has more to do with the viewing distance and your own visual acuity. The human eye is very capable of resolving more detail than 1920x1080 on a 50 inch screen - if you don't see a difference it's time for a new glasses/contacts prescription. You probably didn't think a smartphone needed a 720P screen since it's only 4"...until you saw how much better it is with a 720P screen that 480P or less.

"If you can find a PS3 anywhere in North America that's been on shelves for more than five minutes, I'll give you 1,200 bucks for it." -- SCEA President Jack Tretton

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