MPEG Audio Decoder (MAD) is a
GPL library
A library is a collection of materials, books or media that are accessible for use and not just for display purposes. A library provides physical (hard copies) or digital access (soft copies) materials, and may be a physical location or a vi ...
for decoding files that have been encoded with an
MPEG
The Moving Picture Experts Group (MPEG) is an alliance of working groups established jointly by ISO and IEC that sets standards for media coding, including compression coding of audio, video, graphics, and genomic data; and transmission and fi ...
audio codec
An audio codec is a device or computer program capable of encoding or decoding a digital data stream (a codec) that encodes or decodes audio. In software, an audio codec is a computer program implementing an algorithm that compresses and decompres ...
.
It was written by Robert Leslie and produced by Underbit Technologies. It was developed as a new implementation, on the
ISO/IEC standards.
It consists of libmad, a software library, and madplay, a command-line program for MP3 playback. libmad is notable for using only
fixed-point arithmetic
In computing, fixed-point is a method of representing fractional (non-integer) numbers by storing a fixed number of digits of their fractional part. Dollar amounts, for example, are often stored with exactly two fractional digits, represent ...
while madplay is notable for its
ReplayGain support.
References
External links
MAD's home pageMAD's SourceForge pageOfficial MPEG web site
Free audio codecs
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