/* ..............................................................................................31/Mar/2005*/
/*																										v1.0*/

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                   ========================================
                    ITU-T - USER'S GROUP ON SOFTWARE TOOLS
                   ========================================

       =============================================================
       COPYRIGHT NOTE: This source code, and all of its derivations,
       is subject to the "ITU-T General Public License". Please have
       it  read  in    the  distribution  disk,   or  in  the  ITU-T
       Recommendation G.191 on "SOFTWARE TOOLS FOR SPEECH AND  AUDIO
       CODING STANDARDS".
       =============================================================

  DESCRIPTION : 
	This file contains functions used for the frequency response measure tool.

  FUNCTIONS :
	Global (have prototype in reverb-lib.h)
		rdft(...)			:		Compute the positive part of the spectrum using Real Discrete Fourier Transform
		genHanning(...)		:		Generate a hanning window
		powSpect(...)		:		Compute power spectrum

  HISTORY :
	31.Mar.05	v1.0	First Beta version

  AUTHORS :
	Cyril Guillaum