Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
   All the code except the following

David Rowe <david@rowetel.com>
   lsp.c lsp.h 
   Also ideas and feedback

John Francis Edwards
   wave_out.[ch], some #ifdefs for windows port and MSVC project files

Segher Boessenkool
   Misc.  optimizations (for QMF in particular)

Atsuhiko Yamanaka <ymnk@jcraft.com>:
   Patch to speexenc.c to add Vorbis comment format

Radim Kolar <hsn@cybermail.net>:
   Patch to speexenc.c for supporting more input formats
