MooreSpread Class Reference

#include <MooreSpread.H>

Inheritance diagram for MooreSpread:

Public Member Functions
	MooreSpread (int fBankCount)
	Instantiation requiring the number of filter banks. More...
	~MooreSpread (void)
	Destructor. More...
void	setCFreq (int which, double value)
	Method for setting the centre freqs. More...
void	excite (double **filterBankOutput, int sampleCount, int sampleFreq)

Public Attributes
double *	centreFreqs
	The centreFrequencies of each filter bank. More...

Protected Attributes
int	bankCount
	The number of sub-bankds in the filter bank. More...
double *	memory
	Memory used in the operation. More...
double **	spread
	The Moore/Glasberg spreading due to the filters. More...

Detailed Description

Finds the Moore spreading function. First implementation for the Gamma Chirp filter bank, but possible for any perceptual filter bank. References : [1] Moore B.C.J., Glasberg B.R. (1983) ``Suggested formulae for calculating auditory-filter bandwidths and excitation patterns'', J. Acous. Soc. Am., 74, 750-753

Definition at line 34 of file MooreSpread.H.

Constructor & Destructor Documentation

MooreSpread()

MooreSpread::MooreSpread

(

int

fBankCount

)

Instantiation requiring the number of filter banks.

Definition at line 24 of file MooreSpread.C.

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~MooreSpread()

MooreSpread::~MooreSpread

(

void

)

Destructor.

Definition at line 44 of file MooreSpread.C.

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Member Function Documentation

excite()

void MooreSpread::excite	(	double **	filterBankOutput,
		int	sampleCount,
		int	sampleFreq
	)

Method for finding the Moore Spread

Parameters

filterBankOutput	The output of the filter bank, an array of magnitudes for each filter
sampleCount	The number of samples in each sub-band or filter
sampleFreq	The sample frequency of the time domain signal

Definition at line 57 of file MooreSpread.C.

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setCFreq()

void MooreSpread::setCFreq ( int  which, double  value  )

inline

Method for setting the centre freqs.

Definition at line 43 of file MooreSpread.H.

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Member Data Documentation

bankCount

int MooreSpread::bankCount

protected

The number of sub-bankds in the filter bank.

Definition at line 36 of file MooreSpread.H.

centreFreqs

double* MooreSpread::centreFreqs

The centreFrequencies of each filter bank.

Definition at line 40 of file MooreSpread.H.

memory

double* MooreSpread::memory

protected

Memory used in the operation.

Definition at line 37 of file MooreSpread.H.

spread

double** MooreSpread::spread

protected

The Moore/Glasberg spreading due to the filters.

Definition at line 38 of file MooreSpread.H.

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The documentation for this class was generated from the following files:

• /tmp/gtkiostream/include/AudioMask/MooreSpread.H
• /tmp/gtkiostream/src/AudioMask/MooreSpread.C