MP3

Fraunhofer IIS: MP3
Features history and technical information about the MP3 format.
http://www.iis.fhg.de/amm/techinf/layer3/

ID3v2
Description of ID3 tagging standard (version 2) for MP3 files. Includes specifications, implementations and a mailing list.
http://www.id3.org/

MAP - MP3 Audio Player
Describes how to build a standalone home stereo MP3 player. The player is DOS-based and built with standard low cost PC-components.
http://www.geocities.com/jui_m/

MP3 Tech
Source of detailed technical information about audio encoding with MP3 and similar formats. Features documentation, articles, source code and a message board for programmers.
http://www.mp3-tech.org/

MPEG Audio Frame Header
Technical explanation of how MPEG audio files and their headers are constructed.
http://www.dv.co.yu/mpgscript/mpeghdr.htm

MP3licensing.com
Details of the MP3 licensing programs for Thomson Multimedia and Fraunhofer IIS-A.
http://www.mp3licensing.com/

MP3-O-Phono
A custom made MP3-player device. Site contains many implementation details as well as photos.
http://www.softlab.ece.ntua.gr/~sivann/mp3ophono/

MP3Pro Soft
Features software and information about mp3PRO and other similar audio formats.
http://mp3pro-soft.narod.ru/e_index.html