Sigma Designs ads HDR 10+ STV7803 and STV7804 HDR chipsets

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Sigma Designs ads HDR 10+ STV7803 and STV7804 HDR chipsets
Sigma Designs ads HDR 10+ STV7803 and STV7804 HDR chipsets
« on: Sun July 16, 2017, 08:25:20 AM »
Chipvendor Sigma Designs says that its universal HDR chipsets STV7803 and STV7804 will now support HDR10+. HDR10+ is one of the four ways for Dynamic Metadata for Color Volume Transforms (DMCVT) as codified in the SMPTE ST.2094 standard in this case part 40. It is backed and contributed to the standard by Samsung. The other options are provided by Dolby, Philips and Technicolor.

DMCVT can preserve the creative intent in HDR media across a variety of displays, by tone mapping based on scene based metadata, with static meta data this is done on the basis of data regarding the full length of the mastered content.

So, Samsung Electronics recently introduced this new open standard (ST.2094-40) for high dynamic range (HDR) video called HDR10+  that leverages dynamic metadata to produce enhanced contrast and colors, making television pictures more life-like, in some of its 2017 TVs.

HDR10+ is an open-standard, royalty-free protocol and part of SMPTE2094 technology standards, which adds scene-by-scene Dynamic Tone Mapping. This innovative feature adjusts brightness levels in real time during video playback, continually optimizing picture quality to the degree achievable by each individual display panel using it.  HDR10+ is an evolution beyond the original HDR10 specification, adding dynamic metadata as opposed to static metadata. In practice, HDR10 compromises picture quality particularly for darker and brighter scenes as a single static setting is used for the entire duration of the content. In comparison, the metadata in HDR10+ Dynamic Tone Mapping continually adjusts the range of brightness, adapting in real time to specific scenes or even individual frames. With HDR 10+, dark scenes are darker, bright scenes are brighter, and visual content is dramatically more compelling than through the static single setting of HDR10.

“We are delighted to work with Samsung to bring this exciting advancement to our latest UHD chipsets”, says Alfred Chan, Sigma Designs vice-president of marketing for smart TV products. “While most competitors are working on their first generation of HDR solutions, our STV7803 and STV7804 UHD TV SoC are designed with Sigma’s 3rd Generation of High Dynamic Range and Wide Color Gamut designs. Sigma 3rd generation HDR engine is highly programmable. It allows fast implementation of the latest SMPTE 2094 standards including Samsung and others. By working with Samsung, Sigma has proven the completion and flexibility of Sigma’s HDR engine”.

Kyoungwon Lim, Vice President of Visual Display Division at Samsung Electronics. “We are delighted to expand our leadership in HDR technology by collaborating with Sigma Designs and we will bring support for HDR10+ to their range of powerful and feature-rich chipsets”.




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