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1 /*
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2 Harmonic sinusoidal modelling and tools
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3
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4 C++ code package for harmonic sinusoidal modelling and relevant signal processing.
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5 Centre for Digital Music, Queen Mary, University of London.
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6 This file copyright 2011 Wen Xue.
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7
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8 This program is free software; you can redistribute it and/or
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9 modify it under the terms of the GNU General Public License as
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10 published by the Free Software Foundation; either version 2 of the
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11 License, or (at your option) any later version.
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12 */
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13 #ifndef waveletH
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14 #define waveletH
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15
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16 /**
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17 \file wavelet.h - wavelet routines
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18 */
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19
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20 //--wavelet filter routines--------------------------------------------------
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21 void Daubechies(int p, double* h); //computes Daubechies filter
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22 void splinewl(int p1, int p2, double* h1, double* h2); //compute spline biorthogonal wavelet filter
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23 int splinewl(int p1, int p2, double* h, double* hm, double* g, double* gm, int normmode=0, int* points=0);//compute spline biorthogonal wavelet filter
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24
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25 //--periodic DWT and IDWT----------------------------------------------------
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26 int dwtpqmf(double* in, int Count, int N, double* h, double* g, int M, double* out);
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27 int dwtp(double* in, int Count, int N, double* h, double* g, int M, double* out);
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28 int dwtp(double* in, int Count, int N, double* h, int Mh, double* g, int Mg, double* out);
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29 int dwtp(double* in, int Count, int N, double* h, int sh, int eh, double* g, int sg, int eg, double* out);
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30 void idwtp(double* in, int Count, int N, double* h, double* g, int M, double* out);
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31 void idwtp(double* in, int Count, int N, double* h, int Mh, double* g, int Mg, double* out);
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32 void idwtp(double* in, int Count, int N, double* h, int sh, int eh, double* g, int sg, int eg, double* out);
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33
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34 //--pseudo local cosine with wavelet packet----------------------------------
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35 void wavpacqmf(double*** spec, double* data, int Count, int WID, int wid, int M, double* h, double* g);
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36 void wavpac(double*** spec, double* data, int Count, int WID, int wid, double* h, int hs, int he, double* g, int gs, int ge);
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37 void iwavpacqmf(double* data, double** spec, int Fr, int Wid, int M, double* h, double* g);
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38 void iwavpac(double* data, double** spec, int Fr, int Wid, double* h, int hs, int he, double* g, int gs, int ge);
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39
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40 #endif
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