HDMI 2.1a Adds SBTM Feature

HDMI 2.1a Adds SBTM Feature

HDMI 2.1a is expected to be announced during the forthcoming CES 2022 that kicks off on the 5th of January. The following year. HDMI is the most recent version of the upgraded in-use HDMI 2.1 standard, including the brand new SBTM feature.

 

 

What is SBTM?

 

The important upgrade, SBTM (Source-Based Tone Mapping), will permit different windows to show SDR or HDR content, including picture-in-picture and window playback videos. This isn't meant to replace the well-known HDR10 and Dolby Visual effects. The SBTM function can automatically create optimized HDR signals that make more efficient utilization of the HDR function of the display without having to manually adjust it that can enhance the gaming experience for PC. SBTM eliminates overexposed areas from the official production, which makes the details more clear (displayed in the picture below).

 

HDMI 2.1a Adds SBTM Feature

 

While it might sound like a promising step, concerns have been raised in certain tech reviews because the group behind HDMI connection is planning to combine with HDMI 2.0 and HDMI 2.1 versions. This could be not very clear when it comes to deciding the compatibility of a monitor, also, in accordance with the rules for the HDMI Licensing Administrator who is responsible for issuing licenses and issuing HDMI standards, when the brand new 2.1a "standard" is released that all the new ports are required to be identified as HDMI 2.1a, but there is no guarantee of even one attribute that is part of that 2.1a standard.

 

 

 

HDMI 2.1 VS HDMI 2.0

 

HDMI 2.1a Adds SBTM Feature

 

HDMI is among the well-known audio and video interface in the audio-visual sector that covers a variety of fields like TV PC, TV, monitor, mobile phones, and many more. The standard for HDMI is also being upgraded by several years from 2.0 and now 2.1. While HDMI 2.1 was released in 2017, HDMI 2.1 standard was announced in 2017 because of the low popularity of high-resolution and high-refresh video; TVs fitted with HDMI 2.1 weren't available until the end of the year.

 

HDMI 2.1, also known as the HDMI 2.1 standard, was introduced in 2017 and is a standard in technology for high-end streaming of video and audio shortly. The most significant distinction between HDMI 2.1 with HDMI 2.0 is the bandwidth, which increased from 18 Gbps to 48 Gbps. The increased bandwidth leads directly to an improvement in the volume of data transferred.

 

 

Second, HDMI 2.0 cannot support 8K video transmission, whereas HDMI 2.1 supports not just 4K 120Hz, however, but 8K with a 60Hz. HDMI 2.1 allows dynamic HDR; however, HDMI 2.0 only supports static HDR. Furthermore, HDMI 2.1 supports VRR (variable refresh rate). To play games, cut down or eliminate screen delays or tearing, stuttering, or tearing to give you smoother and more detailed details.

 

Additionally, HDMI 2.1 supports ALLM (automatic low latency mode). When using the automatic low-latency mode, Smart TV users are not required to change the low-latency mode by hand according to the contents of the TV. They will nevertheless automatically turn off or enable the low-latency mode based on the contents of the TV. You can enjoy smooth, non-stutter uninterrupted viewing and interactions.

 

 

Author's Thoughts

 

When this article was first published, Easybom had found that the HDMI Licensing Administrator had removed all SBTM content which included the image sample on their official website-HDMI.org. Let's find out what's hiding beneath the surface of the entire "mess."

 

 

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