http://www.free-codecs.com/download/foobar2000.htm

official website:
http://www.foobar2000.org/beta.html
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Supported input formats in foobar2000 0.9 normal :

MPEG-4, AAC, MP3, MP2, Musepack, Ogg Vorbis, WAV, AIFF, VOC, AU, SND, CDDA, MPEG-4 AAC, FLAC, Monkey's Audio, WavPack, Speex, Mod, SPC

http://www.hydrogenaudio.org/forums...showtopic=34215
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Components in normal version:
Default User Interface
Standard input array
Standard DSP array
Album List
Converter (formerly known as Diskwriter)
Masstagger
ReplayGain Scanner
Components in full version:
all components from the normal version, plus
ABX comparator
AC3 decoder
ALAC decoder
Archive reader (supports 7-Zip, RAR, ZIP, GZIP)
Audio CD writer
Autoplaylist
CD Audio decoder
Crossfeed DSP
Database search
DUMB module decoder
DXi MIDI synthesizer host
Festalon
Game Emu Player
OggPreview
sidplay2
Utilities
New features (incomplete):
Improved playlist management: all playlists are editable without being active, multiple playlists with the same name, Autoplaylists

Field remappings in titleformat scripts: see Titleformat Introduction and Titleformat Reference for details

Tag merging: combines information from multiple tag formats on the same file
ID3v2 support with padding for fast tag updates

Cleaned-up preferences
On-line help system for preferences pages (uses the HA wiki)

Playback queue (contents are currently not viewable)
Instantaneuos volume changes

User interface selection: if a new user interface is detected at start-up, you can chose which one to use

File type associations editor in preferences

Ability to reset individual pages in preferences (if supported by the component that provides the page)
...