<s>
HDR10+	B-Device
is	O
a	O
high	B-Application
dynamic	I-Application
range	I-Application
(	O
HDR	O
)	O
video	O
technology	O
that	O
adds	O
dynamic	O
metadata	O
to	O
HDR10	B-Device
source	O
files	O
.	O
</s>
<s>
The	O
dynamic	O
metadata	O
are	O
used	O
to	O
adjust	O
and	O
optimize	O
each	O
frame	O
of	O
the	O
HDR	B-Application
video	I-Application
to	O
the	O
consumer	O
display	O
's	O
capabilities	O
in	O
a	O
way	O
based	O
on	O
the	O
content	O
creator	O
's	O
intents	O
.	O
</s>
<s>
HDR10+	B-Device
is	O
an	O
alternative	O
to	O
Dolby	B-Device
Vision	I-Device
,	O
which	O
also	O
uses	O
dynamic	O
metadata	O
.	O
</s>
<s>
HDR10+	B-Device
is	O
the	O
default	O
variant	O
of	O
dynamic	O
metadata	O
as	O
part	O
of	O
the	O
HDMI	B-Protocol
2.1	O
standard	O
.	O
</s>
<s>
HDR10+	B-Device
Adaptive	O
is	O
an	O
update	O
designed	O
to	O
optimize	O
HDR10+	B-Device
content	O
according	O
to	O
the	O
ambient	O
light	O
.	O
</s>
<s>
HDR10+	B-Device
,	O
also	O
known	O
as	O
HDR10	B-Device
Plus	I-Device
,	O
was	O
announced	O
on	O
20	O
April	O
2017	O
,	O
by	O
Samsung	B-Application
and	O
Amazon	B-Application
Video	I-Application
.	O
</s>
<s>
HDR10+	B-Device
updates	O
HDR10	B-Device
by	O
adding	O
dynamic	O
metadata	O
that	O
can	O
be	O
used	O
to	O
more	O
accurately	O
adjust	O
brightness	O
levels	O
up	O
to	O
the	O
full	O
range	O
of	O
PQ	B-Algorithm
code	O
values	O
(	O
10,000	O
nits	O
maximum	O
brightness	O
)	O
on	O
a	O
scene-by-scene	O
or	O
frame-by-frame	O
basis	O
.	O
</s>
<s>
HDR10+	B-Device
is	O
an	O
open	O
standard	O
and	O
is	O
royalty-free	O
;	O
it	O
is	O
supported	O
by	O
a	O
growing	O
list	O
of	O
post-production	O
software	O
and	O
tools	O
.	O
</s>
<s>
A	O
certification	O
and	O
logo	O
program	O
for	O
HDR10+	B-Device
device	O
manufacturers	O
is	O
available	O
with	O
an	O
annual	O
administration	O
fee	O
for	O
certain	O
adopter	O
categories	O
and	O
no	O
per-unit	O
royalty	O
.	O
</s>
<s>
Authorized	O
test	O
centers	O
conduct	O
certification	O
testing	O
for	O
HDR10+	B-Device
devices	O
.	O
</s>
<s>
On	O
28	O
August	O
2017	O
,	O
Samsung	B-Application
,	O
Panasonic	O
,	O
and	O
20th	O
Century	O
Fox	O
created	O
the	O
HDR10+	B-Device
Technologies	O
LLC	O
to	O
promote	O
the	O
HDR10+	B-Device
standard	O
.	O
</s>
<s>
HDR10+	B-Device
video	O
started	O
being	O
offered	O
by	O
Amazon	B-Application
Video	I-Application
on	O
13	O
December	O
2017	O
.	O
</s>
<s>
On	O
5	O
January	O
2018	O
,	O
Warner	O
Bros	O
.	O
announced	O
their	O
support	O
for	O
the	O
HDR10+	B-Device
standard	O
.	O
</s>
<s>
On	O
6	O
January	O
2018	O
,	O
Panasonic	O
announced	O
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
players	O
with	O
support	O
for	O
HDR10+	B-Device
.	O
</s>
<s>
On	O
4	O
April	O
2019	O
,	O
Universal	O
Pictures	O
Home	O
Entertainment	O
announced	O
a	O
technology	O
collaboration	O
with	O
Samsung	B-Application
Electronics	O
to	O
release	O
new	O
titles	O
mastered	O
with	O
HDR10+	B-Device
.	O
</s>
<s>
It	O
is	O
considered	O
to	O
have	O
most	O
of	O
the	O
advantages	O
of	O
Dolby	B-Device
Vision	I-Device
over	O
HDR10	B-Device
,	O
as	O
well	O
as	O
being	O
royalty	O
free	O
.	O
</s>
<s>
HDR10+	B-Device
signals	O
the	O
dynamic	O
range	O
and	O
scene	O
characteristics	O
on	O
a	O
scene-by-scene	O
or	O
even	O
frame-by-frame	O
basis	O
.	O
</s>
<s>
The	O
display	O
device	O
then	O
uses	O
the	O
dynamic	O
metadata	O
to	O
apply	O
an	O
appropriate	O
tone	B-Language
map	I-Language
through	O
the	O
process	O
of	O
dynamic	O
tone	B-Language
mapping	I-Language
.	O
</s>
<s>
Dynamic	O
tone	B-Language
mapping	I-Language
differs	O
from	O
static	O
tone	B-Language
mapping	I-Language
by	O
applying	O
a	O
different	O
tone	O
curve	O
from	O
scene-to-scene	O
rather	O
than	O
use	O
a	O
single	O
tone	O
curve	O
for	O
an	O
entire	O
video	O
.	O
</s>
<s>
HDR10+	B-Device
and	O
Dolby	B-Device
Vision	I-Device
do	O
not	O
use	O
the	O
same	O
dynamic	O
metadata	O
.	O
</s>
<s>
HDR10+	B-Device
technology	O
can	O
support	O
the	O
full	O
range	O
of	O
HDR	O
standards	O
to	O
10,000	O
cd/m2	O
,	O
8K	O
and	O
BT.2020	O
color	O
gamut	O
.	O
</s>
<s>
HDR10+	B-Device
is	O
supported	O
in	O
video	O
encoding	O
technologies	O
HEVC	B-Algorithm
,	O
AV1	O
,	O
VP9	B-Algorithm
compatibility	O
via	O
WebM	O
as	O
well	O
as	O
any	O
codec	O
that	O
supports	O
ITU-T	O
T.35	O
metadata	O
.	O
</s>
<s>
HDR10+	B-Device
utilizes	O
an	O
HDR10	B-Device
master	O
file	O
within	O
existing	O
and	O
distribution	O
workflows	O
.	O
</s>
<s>
The	O
HDR10+	B-Device
ecosystem	O
is	O
used	O
within	O
current	O
systems	O
by	O
,	O
</s>
<s>
displaying	O
HDR10+	B-Device
content	O
on	O
a	O
capable	O
display	O
(	O
e.g.	O
</s>
<s>
For	O
offline	O
and	O
video-on-demand	B-Application
(	O
VOD	B-Application
)	O
(	O
e.g.	O
</s>
<s>
ultra-high-definition	O
Blu-ray	O
,	O
over-the-top	O
(	O
OTT	O
)	O
,	O
multi-channel	O
video	O
programming	O
distributor	O
(	O
MVPD	O
)	O
)	O
,	O
HDR10+	B-Device
metadata	O
may	O
be	O
created	O
during	O
the	O
post-production	O
,	O
mastering	O
process	O
or	O
during	O
transcoding/encoding	O
for	O
distribution	O
back-ends	O
by	O
HDR10+	B-Device
content	O
generation	O
tools	O
in	O
two	O
steps	O
,	O
</s>
<s>
HDR10+	B-Device
metadata	O
is	O
interchanged	O
through	O
a	O
low	O
complexity	O
JSON-structured	O
text	O
file	O
,	O
which	O
is	O
then	O
parsed	O
and	O
injected	O
into	O
video	O
files	O
.	O
</s>
<s>
Live	O
use	O
cases	O
are	O
possible	O
by	O
delivering	O
HDR10+	B-Device
metadata	O
in	O
every	O
frame	O
.	O
</s>
<s>
HEVC	B-Algorithm
encoders	O
on	O
live	O
content	O
and	O
mobile	O
phones	O
record	O
video	O
and	O
create	O
HDR10+	B-Device
metadata	O
in	O
real-time	O
during	O
recording	O
.	O
</s>
<s>
HDR10+	B-Device
metadata	O
follows	O
ITU-T	O
T.35	O
and	O
can	O
co-exist	O
with	O
other	O
HDR	O
metadata	O
such	O
as	O
HDR10	B-Device
static	O
metadata	O
that	O
makes	O
HDR10+	B-Device
content	O
backward	O
compatible	O
with	O
non-HDR10	O
+	O
TVs	O
.	O
</s>
<s>
HDR10+	B-Device
metadata	O
is	O
ignored	O
by	O
devices	O
that	O
do	O
not	O
support	O
the	O
format	O
and	O
video	O
is	O
played	O
back	O
in	O
HDR10	B-Device
.	O
</s>
<s>
HDR10+	B-Device
Technologies	O
,	O
LLC	O
administers	O
the	O
license	O
and	O
certification	O
program	O
for	O
products	O
that	O
want	O
to	O
adopt	O
HDR10+	B-Device
.	O
</s>
<s>
HDR10+	B-Device
Technologies	O
,	O
LLC	O
provides	O
the	O
technical	O
specifications	O
,	O
test	O
specifications	O
,	O
and	O
certified	O
logo	O
.	O
</s>
<s>
The	O
following	O
are	O
a	O
list	O
of	O
HDR10+	B-Device
authorized	O
test	O
centers	O
:	O
</s>
<s>
Amlogic	B-Architecture
(	O
Shanghai	O
)	O
Co.	O
,	O
Ltd	O
.	O
</s>
<s>
Media	B-Architecture
Tek	I-Architecture
Inc	I-Architecture
.	I-Architecture
</s>
<s>
Synaptics	B-Language
,	I-Language
Inc	I-Language
.	I-Language
</s>
