<s>
MPEG	B-Algorithm
Audio	I-Algorithm
Decoder	I-Algorithm
(	O
MAD	O
)	O
is	O
a	O
GPL	B-License
library	B-Library
for	O
decoding	O
files	O
that	O
have	O
been	O
encoded	O
with	O
an	O
MPEG	O
audio	B-Algorithm
codec	I-Algorithm
.	O
</s>
<s>
It	O
consists	O
of	O
libmad	B-Algorithm
,	O
a	O
software	B-Library
library	I-Library
,	O
and	O
madplay	B-Algorithm
,	O
a	O
command-line	O
program	O
for	O
MP3	O
playback	O
.	O
</s>
<s>
libmad	B-Algorithm
is	O
notable	O
for	O
using	O
only	O
fixed-point	O
arithmetic	O
while	O
madplay	B-Algorithm
is	O
notable	O
for	O
its	O
ReplayGain	O
support	O
.	O
</s>
