<s>
Compressor	B-Operating_System
is	O
a	O
video	O
and	O
audio	O
media	O
compression	O
and	O
encoding	O
application	O
for	O
macOS	B-Application
made	O
by	O
Apple	O
.	O
</s>
<s>
The	O
application	O
used	O
to	O
be	O
available	O
as	O
part	O
of	O
Final	B-Application
Cut	I-Application
Pro	I-Application
,	O
Soundtrack	B-Operating_System
Pro	I-Operating_System
,	O
Motion	B-Operating_System
,	O
and	O
DVD	B-Operating_System
Studio	I-Operating_System
Pro	I-Operating_System
,	O
and	O
after	O
Apple	O
combined	O
its	O
professional	O
media	O
products	O
into	O
Final	B-Operating_System
Cut	I-Operating_System
Studio	I-Operating_System
and	O
Logic	B-Application
Studio	I-Application
bundles	O
,	O
Compressor	B-Operating_System
became	O
part	O
of	O
these	O
bundles	O
.	O
</s>
<s>
Once	O
the	O
bundle	O
model	O
was	O
abandoned	O
by	O
Apple	O
in	O
2011	O
,	O
a	O
new	O
major	O
version	O
of	O
Compressor	B-Operating_System
(	O
Compressor	B-Operating_System
4	O
)	O
was	O
released	O
as	O
a	O
separate	O
product	O
on	O
the	O
Mac	B-Application
App	I-Application
Store	I-Application
for	O
$49.99	O
.	O
</s>
<s>
Compressor	B-Operating_System
is	O
used	O
for	O
encoding	O
video	O
and	O
audio	O
media	O
in	O
multiple	O
formats	O
,	O
including	O
HEVC	B-Algorithm
(	O
H.265	B-Algorithm
)	O
,	O
MPEG-1	O
,	O
MPEG-2	B-Algorithm
for	O
DVD	O
,	O
QuickTime	O
.mov	O
,	O
MPEG-4	O
(	O
Simple	O
Profile	O
)	O
,	O
MPEG-4	O
H.264	O
and	O
optional	O
(	O
third	O
Party	O
and	O
often	O
commercial	O
)	O
QuickTime	O
Exporter	O
Components	O
to	O
export	O
to	O
Windows	O
Media	O
.	O
</s>
<s>
Among	O
its	O
other	O
features	O
are	O
the	O
ability	O
to	O
convert	O
from	O
NTSC	O
to	O
PAL	B-Language
and	O
vice	O
versa	O
,	O
and	O
the	O
ability	O
to	O
upscale	O
from	O
standard-definition	B-Device
video	I-Device
to	O
high-definition	O
video	O
with	O
feature	O
detail	O
detection	O
to	O
prevent	O
serious	O
quality	O
losses	O
.	O
</s>
<s>
Compressor	B-Operating_System
could	O
be	O
used	O
with	O
the	O
discontinued	O
Qmaster	B-Application
for	O
clustering	B-Architecture
,	O
or	O
configured	O
as	O
a	O
server	O
to	O
work	O
on	O
the	O
jobs	O
submitted	O
by	O
other	O
computers	O
on	O
the	O
network	B-General_Concept
.	O
</s>
<s>
With	O
its	O
update	O
to	O
4.2	O
in	O
April	O
2015	O
,	O
Apple	O
added	O
performance	O
upgrades	O
,	O
as	O
well	O
as	O
the	O
ability	O
to	O
use	O
Compressor	B-Operating_System
to	O
produce	O
a	O
compliant	O
package	O
to	O
submit	O
video	O
content	O
for	O
distribution	O
to	O
the	O
iTunes	O
Store	O
.	O
</s>
