Custom Corner: HDMI 1.4 & What it Means for Integrators
by Lee Distad
3D was arguably the biggest story at CES, but intertwined with 3D is the debut of the HDMI 1.4 standard. Leaving aside for the moment the challenges that have dogged A/V integrators for years about HDMI in general, it`s worth examining the 1.4 specification and considering the implications it holds from a system design standpoint.
Before commencing that however, let`s take a quick look at how HDMI 1.4 differs from the earlier iterations. HDMI 1.4 increases the maximum image resolution to 4K × 2K (3840×2160p at 24Hz/25Hz/30Hz and 4096×2160p at 24Hz). It adds an HDMI Ethernet Channel, which allows for a 100 Mb/s Ethernet connection between the two HDMI connected devices (a great idea with a thousand and one uses, in my opinion). It introduces an Audio Return Channel, a new Micro HDMI Connector (great, another adaptor to stock!); along with expanded support for colour space, and an Automotive Connection System for car A/V.
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