MPEG Audio Decoder

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madplay
Developer(s)	Robert Leslie
Initial release	2000
Stable release	0.15.2b / February 23, 2004 (2004-02-23)
Written in	C
Operating system	Linux, FreeBSD, Mac OS X
Type	Media player
License	GNU General Public License
Website	http://www.underbit.com/products/mad/

MPEG Audio Decoder (MAD) is a GPL library for decoding files that have been encoded with an MPEG audio codec.^[1] It was written by Robert Leslie and produced by Underbit Technologies. It was developed as a new implementation, on the ISO/IEC standards.^[2]

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^[2]^[3]^[4] while madplay is notable for its ReplayGain support.

References

↑ "MPEG Players & Encoders". linux-sound.org. Retrieved November 3, 2011. "MAD Robert Leslie's GPL'd MPEG audio decoder"
↑ 2.0 2.1 "MAD". Freecode. Retrieved November 3, 2011. "MAD is a high-quality MPEG audio decoder capable of 24-bit output. All computations are performed with fixed-point integer arithmetic, making it ideal for systems without a floating-point unit. The implementation is entirely new, based on the ISO/IEC standards."
↑ "MPEG source codes". mp3-tech.org. Retrieved November 3, 2011. "MAD is an mpeg-1 decoder using only integer computation."
↑ "madplay". Ubuntu Manpage Repository. Retrieved November 3, 2011. "Among the special features of MAD are 24-bit PCM resolution and 100% fixed-point (integer) computation."

External links

Data compression software

Archivers with
compression
(comparison)

Free software	7-Zip Ark File Roller FreeArc Info-ZIP KGB Archiver PAQ PeaZip The Unarchiver (decompression only) tar UPX Xarchiver Zipeg

Freeware	Filzip IZArc LHA StuffIt Expander (decompression only) TUGZip ZipGenius

Commercial	ARC ALZip ALZip for Mac Archive Utility ARJ BetterZip JAR MacBinary PKZIP/SecureZIP PowerArchiver StuffIt WinAce WinRAR WinZip

Non-archiving
compressors

Audio
compression
(comparison)

Lossy	Freeware Advanced Audio Coder (FAAC) Helix DNA Producer l3enc LAME TooLAME libavcodec libcelt libopus libspeex Musepack libvorbis Windows Media Encoder

Lossless	ALAC FLAC libavcodec Monkey's Audio mp4als OptimFROG Shorten TTA (True Audio) WavPack

Video
compression
(comparison)

Lossy

MPEG-4 ASP	3ivx DivX Nero Digital FFmpeg HDX4 Xvid

H.264 / MPEG-4 AVC	CoreAVC Blu-code DivX FFmpeg Nero Digital QuickTime x264

HEVC	DivX x265

Others	CineForm Cinepak Daala DNxHD Helix DNA Producer Indeo libavcodec Schrödinger (Dirac) SBC Sorenson VP7 libtheora libvpx Windows Media Encoder

Lossless

See also: compression methods and compression formats

Multimedia compression and container formats

Video
compression

ISO/IEC	MJPEG Motion JPEG 2000 MPEG-1 MPEG-2 Part 2 MPEG-4 Part 2/ASP Part 10/AVC MPEG-H Part 2/HEVC

ITU-T	H.120 H.261 H.262 H.263 H.264 H.265

Others	Apple Video AVS Bink CineForm Cinepak Daala Dirac DV DVI FFV1 Huffyuv Indeo Microsoft Video 1 MSU Lossless Lagarith OMS Video Pixlet ProRes 422 ProRes 4444 QuickTime Animation Graphics REDCODE RealVideo RTVideo SheerVideo Smacker Sorenson Video, Spark Theora Uncompressed VC-1 VC-2 VC-3 VP3 VP6 VP7 VP8 VP9 WMV XEB YULS

Audio
compression

ISO/IEC	MPEG-1 Layer III (MP3) MPEG-1 Layer II Multichannel MPEG-1 Layer I AAC HE-AAC MPEG Surround MPEG-4 ALS MPEG-4 SLS MPEG-4 DST MPEG-4 HVXC MPEG-4 CELP MPEG-D USAC

ITU-T	G.711 G.718 G.719 G.722 G.722.1 G.722.2 G.723 G.723.1 G.726 G.728 G.729 G.729.1

Others	ACELP AC-3 AMR AMR-WB AMR-WB+ ALAC Asao ATRAC CELT Codec2 DRA DTS EVRC EVRC-B FLAC GSM-HR GSM-FR GSM-EFR iLBC iSAC Monkey's Audio TTA True Audio MT9 A-law µ-law Musepack OptimFROG Opus OSQ QCELP RCELP RealAudio RTAudio SD2 SHN SILK Siren SMV Speex SVOPC TwinVQ VMR-WB Vorbis VSELP WavPack WMA

Image
compression

IEC, ISO, ITU-T	CCITT Group 4 JPEG JPEG 2000 JPEG XR Lossless JPEG JBIG JBIG2 PNG TIFF/EP TIFF/IT HEVC

Others	APNG BMP DjVu EXR GIF ICER ILBM MNG PCX PGF TGA QTVR TIFF WBMP WebP

Containers

ISO/IEC	MPEG-PS MPEG-TS ISO base media file format MPEG-4 Part 14 Motion JPEG 2000 MPEG-21 Part 9 MPEG media transport

ITU-T	H.222.0 T.802

Others	3GP and 3G2 AMV ASF AIFF AVI AU Bink DivX Media Format DPX EVO Flash Video GXF IFF M2TS Matroska MXF Ogg QuickTime File Format RatDVD RealMedia REDCODE RIFF Smacker MOD and TOD VOB, IFO and BUP WAV WebM

See Compression methods for methods and Compression software for codecs

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