g722 encoder and decoder.

Copyright (c) 2010 Dmitry Goncharov
Distributed under the BSD license.

Parts of this software have the following copyright
Written by Steve Underwood <steveu@coppice.org>
Copyright (C) 2005 Steve Underwood

 Despite my general liking of the GPL, I place my own contributions
 to this code in the public domain for the benefit of all mankind -
 even the slimy ones who might try to proprietize my work and use it
 to my detriment.

Based on a single channel G.722 codec which is:

***    Copyright (c) CMU    1993      *****
Computer Science, Speech Group
Chengxiang Lu and Alex Hauptmann