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MPEG Audio Decoder

Summary

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MPEG Audio Decoder (MAD) is a GPL library for decoding files that have been encoded with an MPEG audio codec.[2] It was written by Robert Leslie and produced by Underbit Technologies. It was developed as a new implementation, on the ISO/IEC standards.[3]

madplay
Developer(s)Robert Leslie
Initial release2000
Stable release
0.15.2b / February 23, 2004 (2004-02-23)
Repositorysourceforge.net/projects/mad/
Written inC
Operating systemLinux, FreeBSD, macOS
TypeMedia player
LicenseGPLv2[1]
Websiteunderbit.com/products/mad/

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[3][4][5] while madplay is notable for its ReplayGain support.

Development ended decades ago, and vulnerabilities identified since then have gone unpatched.[6][7][8]

References edit

  1. ^ "GNU General Public License". underbit. Retrieved 6 September 2019.
  2. ^ "MPEG Players & Encoders". linux-sound.org. Retrieved November 3, 2011. MAD Robert Leslie's GPL'd MPEG audio decoder
  3. ^ a b "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.
  4. ^ "MPEG source codes". mp3-tech.org. Retrieved November 3, 2011. MAD is an mpeg-1 decoder using only integer computation.
  5. ^ "madplay". Ubuntu Manpage Repository. Archived from the original on April 4, 2012. Retrieved November 3, 2011. Among the special features of MAD are 24-bit PCM resolution and 100% fixed-point (integer) computation.
  6. ^ "CVE - CVE-2017-8373". cve.mitre.org. Retrieved 2024-02-13.
  7. ^ "CVE - CVE-2017-8374". cve.mitre.org. Retrieved 2024-02-13.
  8. ^ "CVE - CVE-2017-11552". cve.mitre.org. Retrieved 2024-02-13.

External links edit

  • MAD's home page
  • MAD's SourceForge page
  • Official MPEG web site Archived 2008-11-09 at the Wayback Machine