c@5: //
c@17: //  NoveltyCurveProcessor.h
c@5: //  Tempogram
c@5: //
c@5: //  Created by Carl Bussey on 10/07/2014.
c@5: //  Copyright (c) 2014 Carl Bussey. All rights reserved.
c@5: //
c@5: 
c@11: // Don't new delete objects
c@11: 
c@5: #ifndef __Tempogram__NoveltyCurve__
c@5: #define __Tempogram__NoveltyCurve__
c@5: 
c@5: #include <iostream>
c@7: #include <cmath>
c@7: #include <vector>
c@7: #include <iostream>
c@7: #include "FIRFilter.h"
c@7: #include "WindowFunction.h"
c@7: #include <cassert>
c@14: #include "SpectrogramProcessor.h"
c@5: 
c@14: class NoveltyCurveProcessor{
c@5:     float m_samplingFrequency;
c@20:     size_t m_fftLength;
c@20:     size_t m_blockSize;
c@5:     int m_compressionConstant;
c@20:     size_t m_numberOfBands;
c@13:     int * m_pBandBoundaries;
c@13:     float * m_pBandSum;
c@5:     
c@5:     void initialise();
c@5:     void cleanup();
c@13:     void subtractLocalAverage(std::vector<float> &noveltyCurve, const size_t &smoothLength) const;
c@22:     void smoothedDifferentiator(SpectrogramTransposed &spectrogram, const size_t &smoothLength) const;
c@22:     void halfWaveRectify(SpectrogramTransposed &spectrogram) const;
c@5:     
c@5: public:
c@5:     
c@22:     NoveltyCurveProcessor(const float &samplingFrequency, const size_t &fftLength, const size_t &compressionConstant);
c@14:     ~NoveltyCurveProcessor();
c@22:     std::vector<float> spectrogramToNoveltyCurve(const Spectrogram &spectrogram) const;
c@5: };
c@5: 
c@5: #endif /* defined(__Tempogram__NoveltyCurve__) */