Mercurial > hg > qm-dsp
comparison dsp/onsets/DetectionFunction.h @ 241:a98dd8ec96f8
* Move dsp/maths to maths ; bring PCA and HMM across from Soundbite
author | Chris Cannam <c.cannam@qmul.ac.uk> |
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date | Wed, 09 Jan 2008 10:31:29 +0000 |
parents | 135f16b49065 |
children | 5bec06ecc88a |
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240:1a406914b3a9 | 241:a98dd8ec96f8 |
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9 */ | 9 */ |
10 | 10 |
11 #ifndef DETECTIONFUNCTION_H | 11 #ifndef DETECTIONFUNCTION_H |
12 #define DETECTIONFUNCTION_H | 12 #define DETECTIONFUNCTION_H |
13 | 13 |
14 #include "dsp/maths/MathUtilities.h" | 14 #include "maths/MathUtilities.h" |
15 #include "dsp/maths/MathAliases.h" | 15 #include "maths/MathAliases.h" |
16 #include "dsp/phasevocoder/PhaseVocoder.h" | 16 #include "dsp/phasevocoder/PhaseVocoder.h" |
17 #include "base/Window.h" | 17 #include "base/Window.h" |
18 | 18 |
19 #define DF_HFC (1) | 19 #define DF_HFC (1) |
20 #define DF_SPECDIFF (2) | 20 #define DF_SPECDIFF (2) |
21 #define DF_PHASEDEV (3) | 21 #define DF_PHASEDEV (3) |
22 #define DF_COMPLEXSD (4) | 22 #define DF_COMPLEXSD (4) |
23 #define DF_BROADBAND (5) | 23 #define DF_BROADBAND (5) |
24 #define DF_POWER (6) | |
25 | 24 |
26 struct DFConfig{ | 25 struct DFConfig{ |
27 double stepSecs; // DF step in seconds | 26 double stepSecs; // DF step in seconds |
28 unsigned int stepSize; // DF step in samples | 27 unsigned int stepSize; // DF step in samples |
29 unsigned int frameLength; // DF analysis window - usually 2*step | 28 unsigned int frameLength; // DF analysis window - usually 2*step |
50 double HFC( unsigned int length, double* src); | 49 double HFC( unsigned int length, double* src); |
51 double specDiff( unsigned int length, double* src); | 50 double specDiff( unsigned int length, double* src); |
52 double phaseDev(unsigned int length, double *srcPhase); | 51 double phaseDev(unsigned int length, double *srcPhase); |
53 double complexSD(unsigned int length, double *srcMagnitude, double *srcPhase); | 52 double complexSD(unsigned int length, double *srcMagnitude, double *srcPhase); |
54 double broadband(unsigned int length, double *srcMagnitude); | 53 double broadband(unsigned int length, double *srcMagnitude); |
55 double power(unsigned int length, double *src); | |
56 | 54 |
57 private: | 55 private: |
58 void initialise( DFConfig Config ); | 56 void initialise( DFConfig Config ); |
59 void deInitialise(); | 57 void deInitialise(); |
60 | 58 |