Constant-Q Library
cq/CQParameters.h
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00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
00002 /*
00003     Constant-Q library
00004     Copyright (c) 2013-2014 Queen Mary, University of London
00005 
00006     Permission is hereby granted, free of charge, to any person
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00011     of the Software, and to permit persons to whom the Software is
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00013 
00014     The above copyright notice and this permission notice shall be
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00016 
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00024 
00025     Except as contained in this notice, the names of the Centre for
00026     Digital Music; Queen Mary, University of London; and Chris Cannam
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00031 
00032 #ifndef CQ_PARAMETERS_H
00033 #define CQ_PARAMETERS_H
00034 
00039 class CQParameters
00040 {
00041 public:
00042     enum WindowType {
00043     SqrtBlackmanHarris,
00044     SqrtBlackman,
00045     SqrtHann,
00046     BlackmanHarris,
00047     Blackman,
00048     Hann,
00049     };
00050 
00058     CQParameters(double _sampleRate, 
00059          double _minFrequency, 
00060          double _maxFrequency,
00061          int _binsPerOctave) :
00062     sampleRate(_sampleRate),
00063     minFrequency(_minFrequency),
00064     maxFrequency(_maxFrequency),
00065     binsPerOctave(_binsPerOctave),
00066     q(1.0),                    // Q scaling factor
00067     atomHopFactor(0.25),       // hop size of shortest temporal atom
00068     threshold(0.0005),         // sparsity threshold for resulting kernel
00069     window(SqrtBlackmanHarris) // window shape
00070     { }
00071 
00075     double sampleRate;
00076 
00082     double minFrequency;
00083 
00087     double maxFrequency;
00088 
00092     int binsPerOctave;
00093 
00099     double q;
00100 
00105     double atomHopFactor;
00106 
00111     double threshold;
00112 
00116     WindowType window;
00117 };
00118 
00119 #endif
00120 
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