CREDITS

 See adpcm.c

 - first version by Francois Revol (revol@free.fr)
 - fringe ADPCM codecs (e.g., DK3, DK4, Westwood)
 -   by Mike Melanson (melanson@pcisys.net)
 - CD-ROM XA ADPCM codec by BERO
 - EA ADPCM decoder by Robin Kay (komadori@myrealbox.com)
 - EA ADPCM R1/R2/R3 decoder by Peter Ross (pross@xvid.org)
 - EA IMA EACS decoder by Peter Ross (pross@xvid.org)
 - EA IMA SEAD decoder by Peter Ross (pross@xvid.org)
 - EA ADPCM XAS decoder by Peter Ross (pross@xvid.org)
 - MAXIS EA ADPCM decoder by Robert Marston (rmarston@gmail.com)
 - THP ADPCM decoder by Marco Gerards (mgerards@xs4all.nl)
 - Argonaut Games ADPCM decoder by Zane van Iperen (zane@zanevaniperen.com)
 - Simon & Schuster Interactive ADPCM decoder by Zane van Iperen (zane@zanevaniperen.com)
 - Ubisoft ADPCM decoder by Zane van Iperen (zane@zanevaniperen.com)
 - High Voltage Software ALP decoder by Zane van Iperen (zane@zanevaniperen.com)
 - Cunning Developments decoder by Zane van Iperen (zane@zanevaniperen.com)
 - Refactoring into stand alone library by Phil Schatzmann