Lossless Predictive Audio Coding

• Extension: pac
• Website: http://www.nue.tu-berlin.de/fileadmin/fg97/Ueber_uns/Team/Liebchen/LPAC/lpacarc.html
• Samples: http://samples.mplayerhq.hu/A-codecs/lossless/ (luckynight.pac)
• Description: http://www.rarewares.org/rrw/lpac.php

Lossless Predictive Audio Coding (LPAC) is a lossless audio coding method. According to the official website an "improved version" was chosen to be the lossless audio method (ALS) for the MPEG-4 standard.

"The Linux and Solaris versions are executable (binary) files. It is not possible to release the source code (yet) due to copyright issues - sorry for that! Maybe there will be a GPL solution in the future."