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#ifndef INCLUDE_SPECTRALPEAKS_H
#define INCLUDE_SPECTRALPEAKS_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
*
*
* SpectralPeaks.h
*
* Definition of a type representing a collection (vector) of
* reassigned spectral peaks or ridges. Shared by analysis policies.
*
* Kelly Fitz, 29 May 2003
* loris@cerlsoundgroup.org
*
* http://www.cerlsoundgroup.org/Loris/
*
*/
#include "Breakpoint.h"
#include <vector>
// begin namespace
namespace Loris {
// define a spectral peak data structure
//
// HEY
// Clean this mess up! Upgrade this struct into a class that can
// store more kinds of information (like reassignment values), and
// creates a Breakpoint when needed.
class SpectralPeak
{
private:
double m_time;
Breakpoint m_breakpoint;
public:
// --- lifecycle ---
SpectralPeak( double t, const Breakpoint & bp ) : m_time( t ), m_breakpoint( bp ) {}
SpectralPeak() {}
~SpectralPeak() {}
// --- access ---
double time( void ) const { return m_time; }
double amplitude( void ) const { return m_breakpoint.amplitude(); }
double frequency( void ) const { return m_breakpoint.frequency(); }
double bandwidth( void ) const { return m_breakpoint.bandwidth(); }
// --- mutation ---
void setAmplitude( double x ) { m_breakpoint.setAmplitude(x); }
void setBandwidth( double x ) { m_breakpoint.setBandwidth(x); }
// this REALLY shouldn't be in here...
void addNoiseEnergy( double enoise ) { m_breakpoint.addNoiseEnergy(enoise); }
// --- Breakpoint creation ---
Breakpoint createBreakpoint( void ) const { return m_breakpoint; }
// --- comparitors ---
// Comparitor for sorting spectral peaks in order of
// increasing frequency, or finding maximum frequency.
static bool sort_increasing_freq( const SpectralPeak & lhs,
const SpectralPeak & rhs )
{
return lhs.frequency() < rhs.frequency();
}
// predicate used for sorting peaks in order of decreasing amplitude:
static bool sort_greater_amplitude( const SpectralPeak & lhs,
const SpectralPeak & rhs )
{
return lhs.amplitude() > rhs.amplitude();
}
};
// define the structure used to collect spectral peaks:
typedef std::vector< SpectralPeak > Peaks;
} // end of namespace Loris
#endif /* ndef INCLUDE_SPECTRALPEAKS_H */
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