Tiny bits of source code

Encoders
(MP3) A great new project! Here is a link to the new LAME project. This is an open-source coder (no licencing fees!) and is being actively developed. The coding engine is alteady in use in some commercial applications.
LAME

(MP3) Here is a .zip file with the original ISO MPEG Audio codec source code. It is somewhat buggy, but gives a good idea of what is needed
Dist10.zip

(AAC) The FACC project is an attempt to get a free coder that is compatible with MPEG-4 TF/AAC Main and Low level.
FAAC at sourceforge

Decoders
(MP3) The only decoder software I can locate currently is included with maPlay. You can obtain it from the homepage. There is some more available from Fraunhofer that I need to locate.
maPlay_v1.A_src.zip

Technical reference material

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