HDMI 2.1 spec released, ushering in new era of dynamic HDR video

HDMI 2.1 spec released, ushering in new era of dynamic HDR video

HDMI 2.1 spec released, ushering in new era of dynamic HDR video

In all, HDMI 2.1 has a bandwidth capability of 48Gbps, which is supported by the new Ultra High Speed HDMI cable.

The HDMI Forum has officially rolled out version 2.1 of the HDMI Specification, which is now available for all HDMI 2.0 adopters. The new version supports a range of A/V formats, including 8K video at 60Hz and 4K video at 120Hz.

HDMI 2.1 will also support Dynamic HDR, for specifying HDR metadata on a scene-by-scene or a frame-by-frame basis.

If you're sceptical that a mere TV needs bandwidth that over Ethernet would be suitable for a data centre, think again: the HDMI Forum explained uncompressed 8K high dynamic range (HDR) video is dependent on the boosted bandwidth. It also reduces interference with nearby wireless devices because it features exceptionally low EMI (electro-magnetic interference).

HDMI 2.1 will also be backwards compatible with current HDMI ports, so there are benefits here for everyone.

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The HDMI Forum has a new spec for its widely-used connector.

HDMI 2.1 packs a huge increase in bandwidth with up to 48Gbps on tap, and is backwards compatible with previous-gen HDMI cables.

Additional features of the new standard includes eARC, which is designed for simplified connectivity and supports advanced audio formats, ensuring compatibility between audio devices and upcoming HDMI 2.1 products.

For gamers, there's a variable refresh rate (VRR) feature, created to cut lag, stutter and frame tearing; and quick frame transport (QFT) for lower latency. Quick Media Switching support is there for movies and video to eliminate the delay that can cause blank screens to appear before content is displayed. The new feature list also includes Quick Frame Transport, a reduced-latency mode for games, mixed reality, and karaoke.

FOR MORE INFORMATION on the HDMI 2.1 Specification or becoming an HDMI Forum member visit the HDMI Licensing Administrator, Inc. booth at CES 2018, LVCC South Hall 1 booth 20542.

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