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HDMI 2.1 released, brings 10K and higher bandwidth support

30 November 2017

During the first three quarters of 2018, the HDMI Forum will roll out its compliance test specification, so if vendors are ready ahead of time, products should be ready for Q4 2018. HDMI Forum says that it will notify adopters when they release CTS materials. The key enhancements delivered by HDMI 2.1 include higher resolutions and refresh rates - for example 8K60 and 4K120, and resolutions up to 10K. Dynamic HDR formats are also supported, with bandwidth capability upped to 48Gbps.

HDMI Forum, Inc., has announced the release of its new HDMI 2.1 specification.

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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. Resolutions up to 10K are also supported for commercial AV, and industrial and specialty usages. 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. Furthermore, Quick Frame Transport (QFT) reduces latency for smoother no-lag gaming, and real-time interactive virtual reality.

The HDMI Forum has put together the above handy chart showing the generational differences and advances between HDMI versions. However, it will be nice to have HDMI 2.1 available as an option in the not too distant future as well. Don't worry if your TV does not support 10K (no TVs right now do) the new 2.1 standard of HDMI cables will be backwards compatible. There's also Quick Media Switching (QMS) as well as Auto Low Latency Mode (ALLM) which will automatically set the ideal latency for the smoothest experience.

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HDMI 2.1 also comes with eARC (Enhanced Audio Return Channel) support which supports most advanced audio formats such as Dolby Atmos and DTS X and provides a lossless audio experience compared to HDMI 2.0's ARC feature. You can also contact us to schedule a CES meeting at vrobbins@hdmi.org.

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HDMI 2.1 released, brings 10K and higher bandwidth support