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#ifndef INCLUDE_SPECTRALPEAKSELECTOR_H
#define INCLUDE_SPECTRALPEAKSELECTOR_H
/*
* This is the Loris C++ Class Library, implementing analysis,
* manipulation, and synthesis of digitized sounds using the Reassigned
* Bandwidth-Enhanced Additive Sound Model.
*
* Loris is Copyright (c) 1999-2010 by Kelly Fitz and Lippold Haken
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
* SpectralPeakSelector.h
*
* Definition of a class representing a policy for selecting energy
* peaks in a reassigned spectrum to be used in Partial formation.
*
* Kelly Fitz, 28 May 2003
* loris@cerlsoundgroup.org
*
* http://www.cerlsoundgroup.org/Loris/
*
*/
#include "SpectralPeaks.h"
// begin namespace
namespace Loris {
class ReassignedSpectrum;
// ---------------------------------------------------------------------------
// class SpectralPeakSelector
//
// A class representing the process of selecting
// peaks (ridges) on a reassigned time-frequency surface.
//
class SpectralPeakSelector
{
// --- interface ---
public:
// construction:
SpectralPeakSelector( double srate, double maxTimeCorrection );
// Collect and return magnitude peaks in the lower half of the spectrum,
// ignoring those having frequencies below the specified minimum (in Hz), and
// those having large time corrections.
//
// If the minimumFrequency is unspecified, 0 Hz is used.
//
// There are two strategies for doing. Probably each one should be a
// separate class, but for now, they are just separate functions.
Peaks selectPeaks( ReassignedSpectrum & spectrum, double minFrequency = 0 );
// --- implementation ---
private:
// There are two strategies for doing. Probably each one should be a
// separate class, but for now, they are just separate functions.
//
// Currently, the reassignment minima are used.
Peaks selectReassignmentMinima( ReassignedSpectrum & spectrum, double minFrequency );
Peaks selectMagnitudePeaks( ReassignedSpectrum & spectrum, double minFrequency );
// --- member data ---
double mSampleRate;
double mMaxTimeOffset;
}; // end of class SpectralPeakSelector
} // end of namespace Loris
#endif /* ndef INCLUDE_SPECTRALPEAKSELECTOR_H */
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