HDMI (High-Definition Multimedia Interface) the digital alternative to anlog standards such as SCART, S-Video, VGA etc has only been around a few years but is starting to become increasingly popular in the digital age.. Anyone who owns a Sky+HD box or Virgin equivalent will have come across HDMI already.
The latest upgrade to the HDMI standard is 1.4 and it looks more like a makeover than a standard upgrade. So what do you get?
Integrated Ethernet channel
The new version of HDMI adds a bi-directional IP data channel to allow devices to send and receive data at full Ethernet speeds (ie up to 100Mbps). This basically eliminates the need for a separate Ethernet cable and enables web-capable devices (with HDMI 1.4 connectors) to share their internet connection with other HDMI gadgets. For example, an HDMI 1.4-equipped amp could act as the internet hub of a home cinema system, sharing its broadband access with a connected TV or set-top box.
There’s support for dual-stream 1080p 3D
HDMI 1.4 defines several 3D formats for HDMI-enabled devices, including ‘frame alternative’, ‘line alternative’ and ‘field alternative’ methods, ‘Side by side’ methods (full and half) and ’2D plus depth’ methods. The new specification is also capable of handling dual-stream 3D resolutions up to 1080p. Having already made an impact on the big screen, 3D TV is arguably the ‘next big thing’ in home entertainment.
HDMI 1.4 supports “extremely high HD resolutions”
HDMI 1.4 provides support for 4K x 2K resolutions, which is effectively four times the pixel-perfection of a current 1080p device. This allows HDMI 1.4 to handle digital video in the same resolution as current digital cinema systems. Formats supported by HDMI 1.4 include: 3840 x 2160 pixels at 24Hz, 25Hz and 30Hz; and 4096 x 2160 pixels at 24Hz
And now the downsides:
You’ll need new hardware to use HDMI 1.4
One of the downsides is that in order to make use to HDMI and all its features you’ll need to totally replace you hardware. According to HDMI most of the new features require a new chip and therefore cannot be enabled using a firmware update. Therefore…..
You will need to buy a need HD TV
4K x 2K sounds impressive but the HD TVs currently out there won’t support it, so in order to make use of this feature you’ll need a compatable TV, of which there are none currently
You will need to buy new HDMI Cables
Your old HDMI cables won’t work with a HDMI 1.4 socket so expect to invest in new cables and they won’t be cheap either.
That said is it a giant step forward in terms of technology and like all new tech it’s bound to start at a very high price. As support becomes more abundant the price should come down allowing the masses to get hold of it. At the moment only one Blu-Ray player is enabled with HDMI 1.4 but expect more very soon.
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