?? fft.c
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/* ..............................................................................................31/Mar/2005*/
/* v1.0*/
/*=============================================================================
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ITU-T - USER'S GROUP ON SOFTWARE TOOLS
========================================
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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
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