* SpanDSP - a series of DSP components for telephony
*
* g722.h - The ITU G.722 codec.
*
* 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 in part on a single channel G.722 codec which is:
*
* Copyright (c) CMU 1993
* Computer Science, Speech Group
* Chengxiang Lu and Alex Hauptmann
*
# CMU code is free for use as long as copyright is preserved
