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/****************************************************************************
DRC: Digital Room Correction
Copyright (C) 2002, 2003 Denis Sbragion
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
You can contact the author on Internet at the following address:
d.sbragion@neomerica.it
****************************************************************************/
/* Prefiltratura a bande di un segnale */
#ifndef BWPreFilt_h
#define BWPreFilt_h
/* Inclusioni */
#include "dsplib.h"
#include "dspwind.h"
/* Tipo di curva parametrica da utilizzare */
typedef enum { BWPProportional, BWPBilinear } BWPPrefilteringType;
/* Calcolo potenza intera di un numero */
DLReal IntPow(DLReal X,unsigned int N);
/* Prefiltratura a bande di un segnale */
void BWPreFilt(const DLReal * InImp, const int IBS, const int FBS,
const int FilterLen, const int OctaveSplit, const DLReal WindowExponent,
const int SampleFreq, const DLReal FilterBegin, const DLReal FilterEnd,
const int WindowGap, DLReal * OutImp,
const WindowType WType, const BWPPrefilteringType BWPType);
#endif
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