AY
DeliPlayer, Gawd bless the AY-3-8912 chip, Lieves!Tuore, Project AY, SND Player, Speccy Techy AY-3-8912 Soundchip Info, STsndplay, The Best Of ... AY-3-8192, YM player and plugin for Linux, YM Plug-in for CL-Amp
MP3
FAQs, Help, and Tutorials, News and Media, Search Engines, Software, Fraunhofer IIS: MP3, ID3v2, MAP - MP3 Audio Player, MP3 Tech, MP3-O-Phono, MP3licensing.com, mp3PRO, MP3Pro Soft, MPEG Audio Frame Header
MPEG-4
Software, 3GPP SA4, AES Publications, Apple, Audio Research Labs, Audiocoding.com, Coding Technologies, Digital Radio Mondiale, Dissertation of Dr. Ye Wang, Doom9, EE Times
Ogg Vorbis
angrycoffee.com, CoreVorbis, Ogg Vorbis, Ogg Vorbis Information, OggHelp, The Ogg Vorbis CODEC project
Free Lossless Audio Coder
FLAC is an open source lossless audio codec, supports streaming, seeking and archival.
MPE Secure Media
Secure streaming media format giving authors, songwriters and publishers complete control over products distributed through the internet.
Musepack
Home page of the open lossy audio compression format known as MPC, Musepack or MPEGPlus/MP+. Based on MPEG1 Layer-2/MP2 algorithms.
OptimFROG
Loseless audio compression supporting IEEE Float audio data.
Study on Audio Compression
Detailed comparison of various audio compression algorithms including ASF, RealAudio, MP3, Ogg Vorbis, MOV, and VQF.
The Void: PC Audio Resource
Information about computer audio formats and sound cards.
True Audio
Open lossless audio codec developed with the main requirements of reasonable compression level and high operation speed.
Vianix Corporation
Developed MASC technology (Managed Audio Sound Compression) memory-efficient audio compression algorithm providing voice emulation.
WavPack
Open audio codec facilitating both loseless compression and a unique hybrid compression mode.