<s>
foobar2000	B-Application
(	O
often	O
abbreviated	O
as	O
fb2k	B-Application
or	O
f2k	O
)	O
is	O
a	O
freeware	B-License
audio	O
player	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
iOS	B-Application
and	O
Android	B-Application
developed	O
by	O
Peter	O
Pawłowski	O
.	O
</s>
<s>
It	O
has	O
a	O
modular	B-Architecture
design	I-Architecture
,	O
which	O
provides	O
user	O
flexibility	O
in	O
configuration	O
and	O
customization	O
.	O
</s>
<s>
foobar2000	B-Application
offers	O
third-party	B-General_Concept
user	B-Application
interface	I-Application
modifications	O
through	O
a	O
software	B-Application
development	I-Application
kit	I-Application
(	O
SDK	B-Application
)	O
.	O
</s>
<s>
foobar2000	B-Application
supports	O
many	O
audio	O
file	O
formats	O
,	O
has	O
many	O
features	O
for	O
organizing	O
metadata	O
,	O
files	O
,	O
and	O
folders	O
,	O
and	O
has	O
a	O
converter	B-Algorithm
interface	O
for	O
use	O
with	O
command	B-Application
line	I-Application
encoders	O
.	O
</s>
<s>
There	O
are	O
a	O
number	O
of	O
official	O
and	O
third-party	B-General_Concept
components	I-General_Concept
which	O
add	O
many	O
additional	O
features	O
.	O
</s>
<s>
The	O
core	O
is	O
closed	B-Application
source	I-Application
,	O
whereas	O
the	O
SDK	B-Application
is	O
licensed	O
under	O
the	O
Three-Clause	O
BSD	B-Operating_System
license	I-Operating_System
.	O
</s>
<s>
foobar2000	B-Application
was	O
first	O
released	O
in	O
2002	O
and	O
developed	O
by	O
Peter	O
Pawłowski	O
,	O
who	O
had	O
previously	O
worked	O
at	O
Nullsoft	O
and	O
developed	O
plugins	B-Application
for	O
Winamp	B-Application
.	O
</s>
<s>
He	O
created	O
foobar2000	B-Application
with	O
the	O
audiophile	O
community	O
in	O
mind	O
.	O
</s>
<s>
foobar2000	B-Application
supports	O
Windows	O
,	O
though	O
the	O
support	O
of	O
older	O
versions	O
for	O
Windows	B-Application
XP	I-Application
and	O
Vista	B-Application
has	O
been	O
dropped	O
as	O
of	O
version	O
1.6	O
(	O
released	O
2020	O
)	O
.	O
</s>
<s>
Windows	B-Application
2000	I-Application
support	O
was	O
dropped	O
as	O
of	O
version	O
0.9.5	O
(	O
released	O
2008	O
)	O
and	O
Windows	O
95/98/ME/NT4	O
support	O
was	O
dropped	O
as	O
of	O
version	O
0.9	O
(	O
released	O
2006	O
)	O
.	O
</s>
<s>
foobar2000	B-Application
versions	O
since	O
0.9.5	O
feature	O
a	O
revamped	O
default	O
interface	O
,	O
with	O
embedded	O
support	O
for	O
album	O
list	O
,	O
album	O
art	O
,	O
spectrum	O
visualization	O
,	O
and	O
some	O
other	O
features	O
and	O
improvements	O
.	O
</s>
<s>
In	O
May	O
2016	O
,	O
versions	O
for	O
mobile	O
devices	O
were	O
released	O
,	O
and	O
in	O
January	O
2018	O
,	O
an	O
early	O
beta	O
version	O
for	O
macOS	B-Application
was	O
released	O
.	O
</s>
<s>
In	O
August	O
2022	O
,	O
a	O
beta	O
version	O
of	O
foobar2000	B-Application
v2.0	O
was	O
released	O
with	O
64-bit	O
support	O
,	O
Dark	O
mode	O
,	O
and	O
hardware-accelerated	O
visualizations	O
.	O
</s>
<s>
The	O
ARM64EC	O
binary	O
is	O
compatible	O
with	O
Windows	B-Application
11	I-Application
.	O
</s>
<s>
At	O
its	O
core	O
,	O
foobar2000	B-Application
natively	O
supports	O
a	O
range	O
of	O
audio	O
formats	O
,	O
including	O
MP1	O
,	O
MP2	O
,	O
MP3	B-Application
,	O
MPC	B-Algorithm
,	O
AAC	B-Application
,	O
WMA	B-Application
,	O
Ogg	B-Algorithm
Vorbis	I-Algorithm
,	O
FLAC	B-Application
,	O
Ogg	O
,	O
ALAC	B-Algorithm
,	O
WavPack	B-Application
,	O
WAV	O
,	O
AIFF	O
,	O
AU	O
,	O
SND	O
,	O
CD	O
,	O
Speex	B-Application
,	O
and	O
Opus	B-Algorithm
.	O
</s>
<s>
foobar2000	B-Application
also	O
has	O
a	O
highly	O
customizable	O
user	B-Application
interface	I-Application
,	O
advanced	O
tagging	B-Application
capabilities	O
and	O
support	O
for	O
ripping	O
Audio	O
CDs	O
,	O
as	O
well	O
as	O
transcoding	B-Algorithm
of	O
all	O
supported	O
audio	O
formats	O
using	O
the	O
Converter	B-Algorithm
component	B-Application
.	O
</s>
<s>
The	O
player	O
can	O
read	O
inside	O
ZIP	B-General_Concept
,	O
GZIP	B-Application
,	O
and	O
RAR	O
archives	B-General_Concept
.	O
</s>
<s>
Core	O
functionality	O
has	O
also	O
been	O
tested	O
to	O
work	O
under	O
Wine	B-Application
on	O
Linux	B-Application
,	O
although	O
the	O
program	O
's	O
crash	O
reporter	O
will	O
detect	O
Wine	B-Application
and	O
direct	O
the	O
user	O
to	O
the	O
Wine	B-Application
Bugzilla	B-Application
.	O
</s>
<s>
Additional	O
features	O
include	O
ReplayGain	O
support	O
(	O
for	O
both	O
playback	O
and	O
calculation	O
)	O
,	O
gapless	O
playback	O
,	O
keyboard	O
shortcuts	O
and	O
support	O
for	O
DSP	B-General_Concept
effects	O
such	O
as	O
equalization	O
and	O
crossfade	O
.	O
</s>
<s>
Users	O
can	O
configure	O
the	O
foobar2000	B-Application
Media	O
Library	O
with	O
automated	O
folder	O
watching	O
and	O
Windows	O
Media	O
streaming	O
.	O
</s>
<s>
The	O
client	O
is	O
built	O
with	O
an	O
open	O
component	B-Application
architecture	O
,	O
allowing	O
third-party	B-General_Concept
developers	O
to	O
extend	O
functionality	O
of	O
the	O
player	O
.	O
</s>
<s>
With	O
addons	O
or	O
plugins	B-Application
,	O
foobar2000	B-Application
can	O
read	O
the	O
APE	B-Language
,	O
HDCD	B-Device
,	O
AC3	O
,	O
DTS	O
,	O
SACD	O
and	O
DVD-Audio	O
formats	O
.	O
</s>
<s>
Other	O
optional	O
features	O
include	O
playback	O
statistics	O
,	O
CD	B-Application
burning	I-Application
,	O
kernel	O
streaming	O
,	O
ASIO	B-Library
support	O
and	O
WASAPI	O
output	O
compatibility	O
.	O
</s>
<s>
Third-party	B-General_Concept
support	O
is	O
also	O
present	O
in	O
the	O
audio	O
client	O
.	O
</s>
<s>
For	O
instance	O
,	O
foobar2000	B-Application
supports	O
Last.fm	O
scrobbling	O
and	O
integration	O
with	O
Apple	B-Device
iPod	I-Device
,	O
including	O
album	O
art	O
support	O
and	O
automatic	O
transcoding	B-Algorithm
of	O
audio	O
formats	O
not	O
supported	O
by	O
iPod	B-Device
itself	O
.	O
</s>
<s>
foobar2000	B-Application
developer	O
Peter	O
Pawłowski	O
has	O
also	O
made	O
other	O
audio	O
software	O
,	O
including	O
Boom	O
,	O
which	O
his	O
web	O
site	O
describes	O
as	O
an	O
"	O
easy	O
to	O
use	O
audio	O
player	O
intended	O
for	O
casual	O
computer	O
users	O
"	O
.	O
</s>
