52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
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#ifndef _CLUSTER_SEGMENTER_H
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#define _CLUSTER_SEGMENTER_H
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/*
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* cluster_segmenter.h
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* soundbite
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*
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* Created by Mark Levy on 06/04/2006.
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* Copyright 2006 Centre for Digital Music, Queen Mary, University of London.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <float.h>
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#include "segment.h"
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#include "cluster_melt.h"
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#include "hmm/hmm.h"
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#include "maths/pca/pca.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* applies MPEG-7 normalisation to constant-Q features, storing normalised envelope (norm) in last feature dimension */
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void mpeg7_constq(double** features, int nframes, int ncoeff);
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/* converts constant-Q features to normalised chroma */
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void cq2chroma(double** cq, int nframes, int ncoeff, int bins, double** chroma);
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void create_histograms(int* x, int nx, int m, int hlen, double* h);
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void cluster_segment(int* q, double** features, int frames_read, int feature_length, int nHMM_states,
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int histogram_length, int nclusters, int neighbour_limit);
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void constq_segment(int* q, double** features, int frames_read, int bins, int ncoeff, int feature_type,
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int nHMM_states, int histogram_length, int nclusters, int neighbour_limit);
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#ifdef __cplusplus
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}
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#endif
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#endif
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