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What version of HDMI is needed for a consumer to view 1080p content?

What version of HDMI is needed for a consumer to view 1080p content?

What version of HDMI is needed for a consumer to view 1080p content? This is a valid question for consumers who want to view 1080p content. What is 1080p and what does it do? Let's look at all the variables involved in 1080p and HDMI.

1080p is a shorthand name for a video mode category. The number 1080 refers to the 1,080 lines of vertical resolution, while the p stands for progressive scan, or non-interlaced. 1080P is considered a high definition television video mode. The term 1080p generally makes the assumption of a wide screen aspect ratio of 16 to 9, and implies a horizontal display resolution of 1920 dots across and a frame resolution of 1080 by 1920, or 2,073,600 pixels. The frame rate is specified in Hertz and can be implied by the context or specified after the letter p, like 1080p30 means 30 frames per second.

There is a growing number of consumer televisions with native 1080p available at this time. Among the television sets with a 1080p resolution, however, some may not be capable of both accepting and reproducing a 1080p input signal, especially by a digital input such as Digital Visual Interface or High-Definition Multimedia Interface. Sony released VPL-VW100, a 1080p-resolution projector and Sony's 1080p Bravia sets can accept 1080p signals, while Mitsubishi has released a 1080p rear-projection TV; both products were based on LCoS technology and had limited availability. Several televisions in 2005 and since offer 1080p, including sets from most major consumer electronics product manufacturers.

Due to the bandwidth limitations of broadcast frequencies, the ATSC and DVB have standardized only the frame rates of 24, 25, and 30 frames per second, or 1080p24, 1080p25, 1080p30. 1080p30 is currently the most bandwidth-intensive video mode supported. If the usual MPEG-2 compression is used, versions that have a higher frame rate such as 1080p50 and 1080p60 could only be sent over higher-bandwidth channels. To send these versions over normal-bandwidth channels, a more advanced codec, like the H.264/MPEG-4 AVC codec, must be used. Higher frame rates such as 1080p50 and 1080p60 are seen as the future of broadcasting standards for production.

The ATSC is considering changing its standard to allow for the incorporation of the newer codecs for optional use. Doing so, however, is not expected to have an end result in the widespread consumer availability of broadcast 1080p programming, since almost all of the existing digital television sets or external digital receivers will still only be capable of decoding the older,not as efficient MPEG-2 codec, while the limitations on bandwidth don't allow for broadcasting two simultaneous streams, like both a 1080 i alongside a 1080p MPEG-4 stream, on the same broadcast channel.

The ability of a person to distinguish small details is called visual acuity. When the individual pixels are barely resolvable, increased resolution will brings no benefit to the viewer, unless the display is brought closer. In order to see any benefit from 1080p content, a display unit must be bigger than normal, or the viewing distance must be closer than normal for usual television viewing. The eye's ability to resolve 1080p content depends on the amount of contrast that is in the picture. For the optimum viewing of resolution you need to sit back 3 times the viewing height For example at nine feet away at least a 46 inch display is needed to see a benefit from 1080p, or for the best viewing of resolution a 70 inch display is needed.

Some video game systems can also be rendered at 1080p. The video game consoles Xbox 360 and Sony PlayStation 3 both support 1080p for video content concerning the games.

HDMI has supported 1080p from the very first version, 1.0 in 2002. As with many functions that HDMI enables, however, like SACD and DVD-Audio, it is the choice of the manufacturer to implement 1080p in the device. Some manufacturers have made the choice not to implement 1080p in their products because of the cost and because 1080p content has not been widely available in the past, but is not the case now. Viewing 1080p resolution requires that the high definition television have a minimum of a display that supports the 1080p pixel resolution. Most HDTV's today utilize display technologies that are designed for 720p pixel resolution.

The capability to view 1080p is the same no matter what version of HDMI that you have. The version of HDMI enabled is irrelevant to the display of 1080p content. All versions of HDMI support 1080p capabilities.

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HDMI: Dolby, DTS, Formats | Sometimes displays that have HDMI inputs don't receive a picture from some cable television set-top boxes with HDMI outputs. What causes this problem, and can it be fixed? | What version of HDMI is needed to play BluRay and HD-DVD content in High Definition? | Are the HDMI versions 1.0 through 1.2 compatible with the latest next generation video game consoles that implement 1080p and the new capability for Deep Color by HDMI? | What is the new Deep Color capability of HDMI? | HDMI Maximum Cable Length? | What is the most common problem that devices with HDMI connections have with capability? | Can long cable lengths be used with HDMI? | Are Dolby 5.1 audio and other high resolution audio formats supported by HDMI? | Is SACD supported by HDMI? | What version of HDMI is needed for a consumer to view 1080p content? | What video types are supported by HDMI? | Is a secure interface provided with HDMI? | Are the HDMI specifications backward compatible with Digital Video Interface (DVI)? | HDMI What does it stand for | What consumer electronics products will have an advantage because of the new HDMI 1.3 capabilities? | How can I be sure that my HDMI cables will support higher speeds, deep color, and 1080p? | HDMI Backwards Compatibility | HDMI 1.3? | When will the public have access to products with HDMI 1.3 capabilities? | Category 5E crossover cable vs. Category 6 crossover cable

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