C# Class DSPUtil.ERB

Public Methods

Method	Description
ERBVal ( double f ) : double	ERB value for a given frequency
ERBWidth ( double f ) : double	Compute the equivalent rectangular bandwidth (ERB) at frequency f (Hz)
bin2f ( double bin, uint sr ) : double
bin2f ( double bin, uint sr, double bins ) : double
f2bin ( double f, uint sr ) : double
f2bin ( double f, uint sr, double bins ) : double
inflections ( double data, uint sr ) : FilterProfile	Return a list of freq/gain, only including inflection points (where the curve is flat).
integralofERB ( double f ) : double	Integral of ERB from 0 to f
invERB ( double b ) : double	Inverse of ERB(f)
invERBVal ( double v ) : double
invintegralofERB ( double i, uint sr ) : double
profile ( double data, uint sr ) : FilterProfile
profile ( double data, uint sr, double scaleFactor ) : FilterProfile	Return a list of freq/gain, at the ERB centers Assuming you smoothed the data...
smooth ( double data, int bands ) : double[]

ERB value for a given frequency

public static ERBVal ( double f ) : double
f	double	Frequency (Hz)
return	double

Compute the equivalent rectangular bandwidth (ERB) at frequency f (Hz)

public static ERBWidth ( double f ) : double
f	double	Frequency (Hz)
return	double

public static bin2f ( double bin, uint sr ) : double
bin	double
sr	uint
return	double

public static bin2f ( double bin, uint sr, double bins ) : double
bin	double
sr	uint
bins	double
return	double

public static f2bin ( double f, uint sr ) : double
f	double
sr	uint
return	double

public static f2bin ( double f, uint sr, double bins ) : double
f	double
sr	uint
bins	double
return	double

Return a list of freq/gain, only including inflection points (where the curve is flat).

public static inflections ( double data, uint sr ) : FilterProfile
data	double
sr	uint
return	FilterProfile

Integral of ERB from 0 to f

public static integralofERB ( double f ) : double
f	double
return	double

Inverse of ERB(f)

public static invERB ( double b ) : double
b	double	bandwidth
return	double

public static invERBVal ( double v ) : double
v	double
return	double

public static invintegralofERB ( double i, uint sr ) : double
i	double
sr	uint
return	double

public static profile ( double data, uint sr ) : FilterProfile
data	double
sr	uint
return	FilterProfile

Return a list of freq/gain, at the ERB centers Assuming you smoothed the data...

public static profile ( double data, uint sr, double scaleFactor ) : FilterProfile
data	double	data from ERB.smooth
sr	uint	sample rate
scaleFactor	double	1.0 for ~38 bands. 0.5 for twice as many...
return	FilterProfile

public static smooth ( double data, int bands ) : double[]
data	double
bands	int
return	double[]