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HDMI 2.1 officially presented (8K/10K resolution, variable refresh rate, eARC, new cable)

The HDMI Forum has announced that HDMI 2.1 is ready. The new standard significantly increases bandwidth to allow for 8K and 10K resolution as well as 4K120. HDMI 2.1 also supports variable refresh rate and finally fixes blank screens when switching mode. Full overview below.


In addition to these new resolutions we have interesting new features that make it much more comfortable to communicate a screen with a device since they will automatically modify the connection for optimal viewing. With this new option, correct adjustment of the refresh rate is achieved , avoiding effects of lag and jugger, in addition, the color modes are automatically   configured without user configuration.


Specifications:
  • Higher video resolutions support a range of higher resolutions and faster update speeds, including 8K60Hz and 4K120Hz for an immersive display with fast, smooth action details. Resolutions up to 10K are also compatible with commercial AV, industrial and special applications.
  • Dynamic HDR support ensures that every moment of a video is displayed at its ideal depth, detail, brightness, contrast and wider color ranges, on a scene-by-scene or even one frame-by-frame basis.
  • New ultra-high-speed HDMI cable supports 48 Gbps bandwidth for uncompressed HDMI 2.1 support . The cable also has a very low EMI emission and is compatible with previous versions of the HDMI specification and can be used with existing HDMI devices.
  • eARC simplifies connectivity, provides greater ease of use and is compatible with the most advanced audio formats and the highest audio quality. Ensures complete compatibility between audio devices and upcoming HDMI 2.1 products.
  • The improved refresh characteristics ensure an additional level of smooth motion without interruptions for games, movies and video. They include:
  • Variable Refresh Rate (VRR) reduces or eliminates lag, stutter, tearin, for smooth playback and improved playability.
  • Quick Media Switching (QMS) for movies or video that eliminates the delay or black screen in the refresh change.
  • Quick Frame Transport (QFT) reduces latency to eliminate lag in games and virtual reality in real time.
  • Auto Low Latency Mode (ALLM) allows you to automatically adjust latency for smooth, uninterrupted playback without interruption and without interruption.


HDMI 2.1 significantly increases bandwidth; from 18Gb/s to 48 Gb/s. To benefit from the increased bandwidth, a new cable is required. Look for the ‘Ultra High Speed’ HDMI cable. The first such cable went on sale recently.


HDMI 2.1 highlights:

Supported resolutions:
  • 4K50/60
  • 4K100/120
  • 5K50/60
  • 5K100/120
  • 8K50/60
  • 8K100/120
  • 10K50/60
  • 10K100/120
Color spaces: 
  • HDMI 2.1 Specification supports the latest color spaces including BT.2020 with 10, 12, and 16 bits per color component.
  • Dynamic HDR ensures every moment of a video is displayed at its ideal values for depth, detail, brightness, contrast, and wider color gamuts—on a scene-by-scene or even a frame-by-frame basis.
  • 48G cables Ultra High Speed’ cables enable up to 48Gbps bandwidth for uncompressed HDMI 2.1 feature support including 8K video with HDR. The cable is backwards compatible with earlier versions of the HDMI Specification and can be used with existing HDMI devices.
  • eARC supports the most advanced audio formats such as object-based audio, and enables advanced audio signal control capabilities including device auto-detect.
  • Enhanced refresh rate
  • Variable Refresh Rate (VRR) reduces or eliminates lag, stutter and frame tearing for more fluid and better detailed gameplay.
  • Quick Media Switching (QMS) for movies and video eliminates the delay that can result in blank screens before content is displayed.
  • Quick Frame Transport (QFT) reduces latency for smoother no-lag gaming, and real-time interactive virtual reality
  • - Auto Low Latency Mode (ALLM) allows the ideal latency setting to automatically be set allowing for smooth, lag-free and uninterrupted viewing and interactivity.

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