Page 23 - 2022-08-01 Sound & Vision

content and YouTube accepts HDR10+
on any content that is uploaded to its
site. 4K UHD Blu-ray titles with HDR10+
are currently distributed by 20th Century
Studios, Universal Home Entertainment,
and Warner Home Video. A list of titles is
available at hd-report.com and, for more
information on HDR10+ adopters and
content, you can visit hdr10plus.org
S&V: Sony, LG, and other top brands are
missing from the HDR10+ list of adop- highlights. As of early May, 2022, 5,378
tees. Any hopes of ge ing them and devices had been approved.
other holdouts to embrace HDR10+?
Mandel: HDR10+ is already being S&V: Last year HDR10+ Adaptive was
offered by such leading TV brands as announced to address the problem of
Hisense, Panasonic, Samsung, TCL, varying ambient light in home theaters
and Vizio and we expect to receive and media rooms. How does the feature
additional support from other top work and why is it important?
brands shortly. (Editor’s note: Apple Mandel: HDR10+ Adaptive is very
has since announced that it will support Above: Bill Mandel. important when watching HDR content,
HDR10+ with the tvOS 16 update slated 1] HDR10 tone given how the range of darks and
for release in the fall.) mapping with static brights are greatly expanded. Some
metadata (left) vs. programs may not appear at their best
S&V: Can you walk us through the HDR10+ tone when viewed anywhere other than a
HDR10+ certification process? mapping with dark room, so an HDR10+ Adaptive
Mandel: Sure. The certification dynamic metadata, display utilizes statistical metadata that
program consists of tests run by third- which provides the works in conjunction with its ambient
party Authorized Test Centers and there video display with light compensation feature. The display
are currently nine test centers located specific data about uses this information, along with its
around the world. Other certifications each scene on a light-sensor measurements, to deliver a
that test protocol compliance for set-top frame-by-frame basis more optimum viewing experience.
boxes (STBs) and other HDR10+ for more accurate
compatible devices are performed by image reproduction. S&V: HDR10+ Gaming was announced
the adopting company and the results 2] Shadow detail is at CES 2022. The press release says
are submi ed to HDR10+ Technologies “crushed” in the the format utilizes Source Side Tone
LLC. The Display certification process standard dynamic Mapping (SSTM) for “more accurate
consist of over a dozen tests that verify range image on the game output to compatible displays”
a number of performance parameters, left but significantly and includes automated HDR calibra-
including 250 nits or more brightness preserved in the high tion. Can you explain the relevance of
at a minimum of 85% of the P3 gamut dynamic range (HDR) these features?
and tone mapping for preserving version of the image Mandel: The video game industry
shadow detail in the presence of bright on the right. has made it very clear that they want
1
to accurately render game output
optimized for each consumer’s screen.
This has led to many cases where a
device (or the game itself) needs to
include additional calibration controls
for fine-tuning the game output. This,
in turn, can create a scenario where the
game ends up generating HDR that’s
not matched to the screen, which can
cause a variety of artifacts.
HDR10+ Gaming was created and
launched to allow the display’s perfor-
mance to be automatically matched
to the source device, whether it’s a
PC or game console, so the game can
be enjoyed at a level of performance
the display was designed for. With
HDR10+ Gaming, the TV provides
certified performance capability when
connected to an HDMI device, enabling
the source to deliver HDR automatically
without any manual calibration required.
S&V: How has the gaming industry
responded?
Mandel: There is growing interest in the
gaming community to make certified
display performance available. We are
working with a number of stakeholders
to develop the type of engine and title
support necessary to accomplish this.
Stay tuned for more details.
2
[
soundandvision.com 23