<s>
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
(	O
4K	B-Device
Ultra	I-Device
HD	I-Device
,	O
UHD-BD	O
,	O
or	O
4K	B-Device
Blu-ray	I-Device
)	O
is	O
a	O
digital	O
optical	B-Device
disc	I-Device
data	B-General_Concept
storage	I-General_Concept
format	O
that	O
is	O
an	O
enhanced	O
variant	O
of	O
Blu-ray	O
.	O
</s>
<s>
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
discs	O
are	O
incompatible	O
with	O
existing	O
standard	O
Blu-ray	O
players	O
,	O
though	O
a	O
traditional	O
Blu-ray	O
and	O
digital	O
copy	O
are	O
often	O
packaged	O
with	O
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
discs	O
.	O
</s>
<s>
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
supports	O
4K	B-Architecture
UHD	I-Architecture
(	O
3840	O
×	O
2160	O
pixel	O
resolution	O
)	O
video	O
at	O
frame	O
rates	O
up	O
to	O
60	O
progressive	O
frames	O
per	O
second	O
,	O
encoded	O
using	O
High-Efficiency	B-Algorithm
Video	I-Algorithm
Coding	I-Algorithm
.	O
</s>
<s>
The	O
discs	O
support	O
both	O
high	B-General_Concept
dynamic	I-General_Concept
range	I-General_Concept
by	O
increasing	O
the	O
color	O
depth	O
to	O
10-bit	O
per	O
color	O
and	O
a	O
greater	O
color	O
gamut	O
than	O
supported	O
by	O
conventional	O
Blu-ray	O
video	O
by	O
using	O
the	O
Rec	O
.	O
</s>
<s>
2020	O
color	B-Algorithm
space	I-Algorithm
.	O
</s>
<s>
Ultra	B-Device
HD	I-Device
Blu-Ray	I-Device
discs	O
also	O
supports	O
a	O
12-bit	O
per	O
color	O
container	O
via	O
Dolby	B-Device
Vision	I-Device
.	O
</s>
<s>
Dolby	B-Device
Vision	I-Device
content	O
on	O
4K	B-Architecture
UHD	I-Architecture
Blu-Ray	O
can	O
also	O
be	O
mastered	O
for	O
10,000	O
nits	O
peak	O
brightness	O
,	O
whereas	O
standard	O
HDR10	B-Device
can	O
only	O
achieve	O
a	O
maximum	O
of	O
4,000	O
nits	O
of	O
brightness	O
.	O
</s>
<s>
Moreover	O
,	O
Dolby	B-Device
Vision	I-Device
makes	O
use	O
of	O
dynamic	O
metadata	O
,	O
which	O
adjusts	O
the	O
brightness	O
and	O
tone	O
mapping	O
per	O
scene	O
.	O
</s>
<s>
In	O
contrast	O
,	O
standard	O
HDR10	B-Device
only	O
makes	O
use	O
of	O
static	O
metadata	O
,	O
which	O
sets	O
the	O
same	O
brightness	O
and	O
tone	O
mapping	O
for	O
the	O
entirety	O
of	O
the	O
content	O
.	O
</s>
<s>
The	O
format	O
is	O
supported	O
on	O
Microsoft	O
's	O
Xbox	B-Device
One	O
X	O
,	O
One	O
S	O
,	O
Series	B-Device
X	I-Device
,	O
and	O
Sony	O
's	O
PlayStation	B-Device
5	I-Device
.	O
</s>
<s>
Video	O
games	O
made	O
for	O
the	O
Xbox	B-Device
Series	I-Device
X	I-Device
and	O
the	O
PlayStation	B-Device
5	I-Device
can	O
use	O
100	O
GB	O
UHD	B-Device
Blu-ray	I-Device
discs	O
.	O
</s>
<s>
To	O
differentiate	O
retail	O
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
releases	O
,	O
the	O
format	O
usually	O
uses	O
a	O
black	O
opaque	O
or	O
slightly	O
transparent	O
keep	O
case	O
packaging	O
format	O
(	O
as	O
opposed	O
to	O
blue	O
)	O
.	O
</s>
<s>
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
technology	O
was	O
licensed	O
in	O
mid-2015	O
,	O
and	O
players	O
had	O
an	O
expected	O
release	O
date	O
of	O
Christmas	O
2015	O
.	O
</s>
<s>
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
uses	O
a	O
new	O
revision	O
of	O
AACS	O
DRM	O
:	O
AACS2	O
.	O
</s>
<s>
On	O
May	O
12	O
,	O
2015	O
,	O
the	O
Blu-ray	O
Disc	O
Association	O
revealed	O
completed	O
specifications	O
and	O
the	O
official	O
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
logo	O
.	O
</s>
<s>
Unlike	O
conventional	O
DVDs	O
and	O
Blu-rays	O
,	O
the	O
new	O
4K	B-Device
format	O
does	O
not	O
have	O
region	O
coding	O
.	O
</s>
<s>
On	O
February	O
14	O
,	O
2016	O
,	O
the	O
BDA	O
released	O
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
with	O
mandatory	O
support	O
for	O
HDR10	B-Device
Media	O
Profile	O
video	O
and	O
optional	O
support	O
for	O
Dolby	B-Device
Vision	I-Device
.	O
</s>
<s>
On	O
January	O
23	O
,	O
2018	O
,	O
the	O
BDA	O
spec	O
v3.2	O
gained	O
optional	O
support	O
for	O
HDR10+	O
and	O
Philips	O
and	O
Technicolor	O
's	O
SL-HDR2	O
,	O
also	O
known	O
as	O
Advanced	O
HDR	O
by	O
Technicolor	O
.	O
</s>
<s>
However	O
,	O
no	O
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
player	O
has	O
ever	O
supported	O
SL-HDR2	O
,	O
and	O
no	O
discs	O
encoded	O
in	O
SL-HDR2	O
have	O
been	O
released	O
.	O
</s>
<s>
Most	O
retail	O
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
discs	O
are	O
encoded	O
with	O
Ateme	O
TITAN	O
.	O
</s>
<s>
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
discs	O
use	O
HDMV	O
or	O
BD-J	B-Language
for	O
menus	O
.	O
</s>
<s>
Only	O
computers	O
with	O
activated	O
Software	O
Guard	O
Extensions	O
(	O
SGX	O
)	O
support	O
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
playback	O
.	O
</s>
<s>
Intel	O
introduced	O
SGX	O
in	O
the	O
Skylake	B-Architecture
generation	O
Core	B-Device
processors	O
in	O
2016	O
,	O
enabling	O
PCs	O
to	O
play	O
protected	O
Blu-ray	O
discs	O
for	O
the	O
first	O
time	O
.	O
</s>
<s>
In	O
January	O
2022	O
,	O
Intel	O
deprecated	O
support	O
for	O
SGX	O
for	O
the	O
Rocket	B-Device
Lake	I-Device
and	O
Alder	B-Device
Lake	I-Device
generation	O
desktop	O
processors	O
,	O
leading	O
to	O
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
discs	O
being	O
unplayable	O
on	O
those	O
systems	O
.	O
</s>
<s>
The	O
first	O
Ultra	B-Device
HD	I-Device
Blu-ray	I-Device
Discs	O
were	O
officially	O
released	O
in	O
the	O
United	O
States	O
on	O
February	O
14	O
,	O
2016	O
:	O
</s>
<s>
Sony	O
Pictures	O
Home	O
Entertainment	O
made	O
six	O
releases	O
:	O
The	B-Application
Amazing	I-Application
Spider-Man	I-Application
2	I-Application
,	O
Salt	O
,	O
Hancock	O
,	O
Chappie	O
,	O
Pineapple	O
Express	O
,	O
and	O
The	O
Smurfs	O
2	O
.	O
</s>
<s>
Universal	O
Pictures	O
Home	O
Entertainment	O
made	O
three	O
releases	O
:	O
Lucy	O
,	O
Oblivion	O
,	O
and	O
Lone	B-Application
Survivor	I-Application
on	O
August	O
9	O
,	O
2016	O
.	O
</s>
<s>
The	O
Criterion	O
Collection	O
made	O
its	O
first	O
UHD	B-Device
release	O
:	O
Mulholland	O
Drive	O
,	O
on	O
November	O
16	O
,	O
2021	O
.	O
</s>
<s>
Warner	O
Music	O
Group	O
on	O
May	O
22	O
,	O
2017	O
,	O
released	O
Sammi	O
Cheng	O
's	O
Touch	O
Mi	O
2	O
World	O
Tour	O
,	O
which	O
is	O
officially	O
the	O
world	O
's	O
first	O
live	O
concert	O
released	O
in	O
UHD	B-Device
Blu-ray	I-Device
format	O
in	O
Hong	O
Kong	O
.	O
</s>
<s>
This	O
is	O
the	O
first	O
live	O
show	O
production	O
recorded	O
in	O
4K	B-Device
format	O
,	O
and	O
the	O
field	O
production	O
and	O
pre-production	O
work	O
began	O
in	O
November	O
2016	O
.	O
</s>
<s>
StudioCanal	O
UK	O
made	O
its	O
first	O
release	O
:	O
Terminator	B-Application
2	I-Application
:	I-Application
Judgment	I-Application
Day	I-Application
on	O
December	O
4	O
,	O
2017	O
.	O
</s>
