c@256: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
c@256: 
c@256: /*
c@256:     QM DSP Library
c@256: 
c@256:     Centre for Digital Music, Queen Mary, University of London.
c@256:     This file copyright 2008 Kurt Jacobson and QMUL.
c@256:     All rights reserved.
c@256: */
c@256: 
c@256: #ifndef BEATSPECTRUM_H
c@256: #define BEATSPECTRUM_H
c@256: 
c@256: #include <vector>
c@256: 
c@256: /**
c@256:  * Given a matrix of "feature values", calculate a self-similarity
c@256:  * vector.  The resulting vector will have half as many elements as
c@256:  * the number of columns in the matrix.  This is based on the
c@256:  * SoundBite rhythmic similarity code.
c@256:  */
c@256: 
c@256: class BeatSpectrum
c@256: {
c@256: public:
c@257:     BeatSpectrum() { }
c@257:     ~BeatSpectrum() { }
c@256: 
c@256:     std::vector<double> process(const std::vector<std::vector<double> > &inmatrix);
c@256: 
c@256: };
c@256: 
c@256: #endif
c@256: 
c@256: