You can read the complete article here:
http://www.cdfreaks.com/news/13318

Get the software here:
http://mediacoder.sourceforge.net/

MediaCoder is a freeware application that is 100% spyware, adware free. It takes a lot of the open source audio/visual codecs and puts them all in one place in one application for convenience. With MediaCoder, you can transcode among many different formats.

Features Highlight:

Directly transcode among MANY audio and video compression formats and mux in various container formats, on the fly, in batches
No need to install any media player or codecs package
No need to register any components into your system
Native Win32 program built on Win32 SDK, efficient and small, no dependencies on any middle layers (e.g. .NET, JAVA etc. )

Typical Applications:

Improving compression / reducing file size
Converting from lossless/high-bitrate audio to low-bitrate audio to play with portable DAP
Converting to device (mobile phone, PDA, MP4 player, PSP, VCD/DVD player)
Extracting audio tracks from video clips
Ripping CD/VCD/DVD

Supported Inputs:

MP3, Ogg Vorbis, AAC, AAC+/Parametric Stereo, AMR
NB/WB, MusePack, WMA, RealAudio
FLAC, WavPack, Monkey's Audio (APE, APL), OptimFrog, WMA Lossless, WAV
H.264, Xvid, DivX 4/5, MPEG 1/2/4, H.263, 3ivx, RealVideo, Windows Media Video 7/8/9, DV
AVI, MPEG/VOB, Matroska, MP4, RealMedia, ASF/WMV, Quicktime MOV, OGM
CD, VCD, DVD, CUE Sheets

Supported Outputs:

MP3, Ogg Vorbis, AAC, AAC+/Parametric Stereo, AMR NB/WB, MusePack, WMA
FLAC, WavPack, Monkey's Audio (APE, APL), OptimFrog, WMA Lossless, WAV
H.264, Xvid, DivX 4/5, MPEG 1/2/4, H.263, Flash Video, etc.
AVI, MPEG/VOB, Matroska, MP4, PMP (PSP Media Player?Format)