<s>
The	O
following	O
is	O
a	O
list	O
of	O
compression	O
formats	O
and	O
related	O
codecs	B-General_Concept
.	O
</s>
<s>
Linear	B-Algorithm
pulse-code	I-Algorithm
modulation	I-Algorithm
(	O
LPCM	B-Algorithm
,	O
generally	O
only	O
described	O
as	O
PCM	B-Algorithm
)	O
is	O
the	O
format	O
for	O
uncompressed	O
audio	O
in	O
media	O
files	O
and	O
it	O
is	O
also	O
the	O
standard	O
for	O
CD-DA	O
;	O
note	O
that	O
in	O
computers	O
,	O
LPCM	B-Algorithm
is	O
usually	O
stored	O
in	O
container	O
formats	O
such	O
as	O
WAV	O
,	O
AIFF	O
,	O
or	O
AU	O
,	O
or	O
as	O
raw	O
audio	O
format	O
,	O
although	O
not	O
technically	O
necessary	O
.	O
</s>
<s>
MPEG-4	B-Algorithm
Scalable	O
Lossless	O
Coding	O
(	O
MPEG-4	B-Algorithm
SLS	O
)	O
Parts	O
of	O
it	O
are	O
used	O
in	O
HD-AAC	O
.	O
</s>
<s>
Shorten	B-Operating_System
(	O
SHN	O
)	O
–	O
Officially	O
discontinued	O
.	O
</s>
<s>
Musepack	B-Algorithm
(	O
a.k.a.	O
</s>
<s>
aptX	B-Algorithm
(	O
a.k.a.	O
</s>
<s>
Hybrid	B-Algorithm
Digital	I-Algorithm
Coding	I-Algorithm
-	O
used	O
in	O
HD	O
Radio	O
(	O
a.k.a.	O
</s>
<s>
Those	O
codecs	B-General_Concept
are	O
used	O
by	O
many	O
PC	O
games	O
which	O
use	O
voice	O
chats	O
via	O
Microsoft	O
DirectPlay	B-Protocol
API	O
.	O
</s>
<s>
PDC-EFR	B-Algorithm
CS-ACELP	B-Algorithm
8kbit/s	O
(	O
a.k.a.	O
</s>
<s>
FFmpeg	B-Library
(	O
by	O
default	O
decoder	O
only	O
,	O
but	O
see	O
above	O
the	O
compiling	O
options	O
)	O
.	O
</s>
<s>
Enhanced	B-Algorithm
Variable	I-Algorithm
Rate	I-Algorithm
Codec	I-Algorithm
(	O
EVRC	B-Algorithm
,	O
a.k.a.	O
</s>
<s>
QCELP-8	O
(	O
a.k.a.	O
</s>
<s>
QCELP-13	O
(	O
a.k.a.	O
</s>
<s>
DSP	O
ADPCM	B-Algorithm
or	O
THP	O
ADPCM	B-Algorithm
)	O
-	O
used	O
in	O
GameCube	B-Application
,	O
Wii	B-Operating_System
and	O
Nintendo	B-Operating_System
3DS	I-Operating_System
.	O
</s>
<s>
Sony	O
HEVAG	O
-	O
used	O
in	O
PS	B-Device
Vita	I-Device
.	O
</s>
<s>
Sony	O
ATRAC9	O
-	O
used	O
in	O
PS4	B-Operating_System
and	O
PS	B-Device
Vita	I-Device
.	O
</s>
<s>
Microsoft	O
XMA	B-Application
-	O
WMA	B-Application
variants	O
for	O
Xbox	B-Operating_System
360	I-Operating_System
hardware	O
decoding	O
.	O
</s>
<s>
MPEG-4	B-Algorithm
Part	O
17	O
(	O
e.g.	O
</s>
<s>
FFV1	B-Algorithm
(	O
RFC	O
9043	O
)	O
FFV1	B-Algorithm
's	O
compression	O
factor	O
is	O
comparable	O
to	O
Motion	B-Application
JPEG	I-Application
2000	O
,	O
but	O
based	O
on	O
quicker	O
algorithms	O
(	O
allows	O
real-time	O
capture	O
)	O
.	O
</s>
<s>
Written	O
by	O
Michael	O
Niedermayer	O
and	O
published	O
as	O
part	O
of	O
FFmpeg	B-Library
under	O
to	O
GNU	B-Application
LGPL	I-Application
.	O
</s>
<s>
VC-2	B-Application
HQ	O
lossless	O
(	O
a.k.a.	O
</s>
<s>
Huffyuv	B-Algorithm
Huffyuv	B-Algorithm
(	O
or	O
HuffYUV	B-Algorithm
)	O
was	O
written	O
by	O
Ben	O
Rudiak-Gould	O
and	O
published	O
under	O
the	O
terms	O
of	O
the	O
GNU	B-License
GPL	I-License
as	O
free	O
software	O
,	O
meant	O
to	O
replace	O
uncompressed	O
YCbCr	O
as	O
a	O
video	O
capture	O
format	O
.	O
</s>
<s>
See	O
also	O
ffvhuff	O
which	O
is	O
an	O
"	O
FFmpeg	B-Library
"	O
only	O
version	O
of	O
it	O
.	O
</s>
<s>
H.261	B-Algorithm
(	O
a.k.a.	O
</s>
<s>
MPEG-4	B-Application
AVC	I-Application
variants	O
:	O
</s>
<s>
Digital	B-Algorithm
Video	I-Algorithm
Interactive	I-Algorithm
standards	O
:	O
</s>
<s>
RealVideo	B-Algorithm
Fractal	O
Codec	B-General_Concept
(	O
a.k.a.	O
</s>
<s>
AVS1-P2	O
(	O
GB/T	O
20090.2-2006	O
)	O
-	O
used	O
in	O
China	O
Blue	O
High-definition	O
Disc	O
.	O
</s>
<s>
VP8	B-Algorithm
,	O
VP9	B-Algorithm
,	O
AV1	B-Application
,	O
and	O
H.266/VVC	B-Algorithm
support	O
scalable	O
modes	O
by	O
default	O
.	O
</s>
<s>
VC-2	B-Application
SMPTE	O
standard	O
(	O
a.k.a.	O
</s>
<s>
Dirac	B-Application
Pro	O
.	O
</s>
<s>
Cinepak	B-Algorithm
(	O
a.k.a.	O
</s>
