Sound Design Toolkit  075
Physically informed sound synthesis for everyday sounds
SDTAnalysis.h
1 
8 #ifndef SDT_ANALYSIS_H
9 #define SDT_ANALYSIS_H
10 
16 typedef struct SDTZeroCrossing SDTZeroCrossing;
17 
21 extern SDTZeroCrossing *SDTZeroCrossing_new(unsigned int size);
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25 extern void SDTZeroCrossing_free(SDTZeroCrossing *x);
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32 extern void SDTZeroCrossing_setOverlap(SDTZeroCrossing *x, double f);
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40 extern int SDTZeroCrossing_dsp(SDTZeroCrossing *x, double *out, double in);
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50 typedef struct SDTMyoelastic SDTMyoelastic;
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55 extern SDTMyoelastic *SDTMyoelastic_new(unsigned int size);
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59 extern void SDTMyoelastic_free(SDTMyoelastic *x);
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64 extern void SDTMyoelastic_setLowFrequency(SDTMyoelastic *x, double f);
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69 extern void SDTMyoelastic_setHighFrequency(SDTMyoelastic *x, double f);
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76 extern void SDTMyoelastic_dsp(SDTMyoelastic *x, double *outs, double in);
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87 typedef struct SDTSpectralFeats SDTSpectralFeats;
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92 extern SDTSpectralFeats *SDTSpectralFeats_new(unsigned int size);
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96 extern void SDTSpectralFeats_free(SDTSpectralFeats *x);
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103 extern void SDTSpectralFeats_setOverlap(SDTSpectralFeats *x, double f);
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109 extern void SDTSpectralFeats_setMinFreq(SDTSpectralFeats *x, double f);
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115 extern void SDTSpectralFeats_setMaxFreq(SDTSpectralFeats *x, double f);
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131 extern int SDTSpectralFeats_dsp(SDTSpectralFeats *x, double *outs, double in);
132 
144 typedef struct SDTPitch SDTPitch;
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149 extern SDTPitch *SDTPitch_new(unsigned int size);
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153 extern void SDTPitch_free(SDTPitch *x);
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160 extern void SDTPitch_setOverlap(SDTPitch *x, double f);
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173 extern void SDTPitch_setTolerance(SDTPitch *x, double f);
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184 extern int SDTPitch_dsp(SDTPitch *x, double *outs, double in);
185 
188 #endif
189 
SDTSpectralFeats_new
SDTSpectralFeats * SDTSpectralFeats_new(unsigned int size)
Instantiates a spectral features extractor.
SDTSpectralFeats_setOverlap
void SDTSpectralFeats_setOverlap(SDTSpectralFeats *x, double f)
Sets the analysis window overlapping ratio. Accepted values go from 0.0 to 1.0, with 0...
SDTSpectralFeats_dsp
int SDTSpectralFeats_dsp(SDTSpectralFeats *x, double *outs, double in)
Signal processing routine. Call this function for each sample to perform signal analysis.
SDTMyoelastic_free
void SDTMyoelastic_free(SDTMyoelastic *x)
Destroys a myoelastic feature extractor.
SDTMyoelastic_setHighFrequency
void SDTMyoelastic_setHighFrequency(SDTMyoelastic *x, double f)
Sets the high frequency cutoff.
SDTPitch_setTolerance
void SDTPitch_setTolerance(SDTPitch *x, double f)
Sets the peak detection tolerance. Always choosing the greatest NSDF peak as pitch estimation sometim...
SDTZeroCrossing
struct SDTZeroCrossing SDTZeroCrossing
Opaque data structure for a zero crossing rate detector object.
Definition: SDTAnalysis.h:16
SDTPitch_new
SDTPitch * SDTPitch_new(unsigned int size)
Instantiates a fundamental frequency estimator object.
SDTPitch_setOverlap
void SDTPitch_setOverlap(SDTPitch *x, double f)
Sets the analysis window overlapping ratio. Accepted values go from 0.0 to 1.0, with 0...
SDTZeroCrossing_setOverlap
void SDTZeroCrossing_setOverlap(SDTZeroCrossing *x, double f)
Sets the analysis window overlapping ratio. Accepted values go from 0.0 to 1.0, with 0...
SDTSpectralFeats
struct SDTSpectralFeats SDTSpectralFeats
Opaque data structure for a spectral features extractor.
Definition: SDTAnalysis.h:87
SDTZeroCrossing_new
SDTZeroCrossing * SDTZeroCrossing_new(unsigned int size)
Instantiates a zero crossing rate detector.
SDTSpectralFeats_setMinFreq
void SDTSpectralFeats_setMinFreq(SDTSpectralFeats *x, double f)
Sets the lower frequency bound for spectral analysis. Spectral bins below this frequency are ignored ...
SDTMyoelastic_new
SDTMyoelastic * SDTMyoelastic_new(unsigned int size)
Instantiates a myoelastic feature extractor.
SDTMyoelastic_dsp
void SDTMyoelastic_dsp(SDTMyoelastic *x, double *outs, double in)
Signal processing routine. Call this function at sample rate to perform signal analysis.
SDTPitch_free
void SDTPitch_free(SDTPitch *x)
Destroys a fundamental frequency estimator instance.
SDTMyoelastic_setLowFrequency
void SDTMyoelastic_setLowFrequency(SDTMyoelastic *x, double f)
Sets the low frequency cutoff.
SDTSpectralFeats_setMaxFreq
void SDTSpectralFeats_setMaxFreq(SDTSpectralFeats *x, double f)
Sets the upper frequency bound for spectral analysis. Spectral bins above this frequency are ignored ...
SDTPitch_dsp
int SDTPitch_dsp(SDTPitch *x, double *outs, double in)
Signal processing routine. Call this function for each sample to perform signal analysis.
SDTMyoelastic
struct SDTMyoelastic SDTMyoelastic
Opaque data structure for a myoelastic feature extractor object.
Definition: SDTAnalysis.h:50
SDTSpectralFeats_free
void SDTSpectralFeats_free(SDTSpectralFeats *x)
Destroys a spectral features extractor.
SDTZeroCrossing_dsp
int SDTZeroCrossing_dsp(SDTZeroCrossing *x, double *out, double in)
Signal processing routine. Call this function at sample rate to perform signal analysis.
SDTZeroCrossing_free
void SDTZeroCrossing_free(SDTZeroCrossing *x)
Destroys a zero crossing rate detector.
SDTPitch
struct SDTPitch SDTPitch
Opaque data structure for a fundamental frequency estimator.
Definition: SDTAnalysis.h:144