AudioMask Class Reference

#include <AudioMask.H>

Inheritance diagram for AudioMask:

Collaboration diagram for AudioMask:

Public Member Functions
	AudioMask (int sampFreq, int fBankCount)
	~AudioMask (void)
	Deconstructor. More...
void	setCFreq (int which, double value)
void	exciteTerhardt (double **filterBankOutput, int sampleCount)
void	exciteBeerends (double **filterBankOutput, int sampleCount)

Public Attributes
double *	mask
	The audio mask. More...
double	max
	The maximum value of the mask. More...

Protected Attributes
int	fs
	Sample frequency. More...

Private Attributes
double *	excitation
	The excitation of the roex filters. More...
double *	Lvmu
double	factor
Private Attributes inherited from MooreSpread
double *	centreFreqs
	The centreFrequencies of each filter bank. More...
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...

Additional Inherited Members
Private Member Functions inherited from MooreSpread
	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)

Detailed Description

Evaluates the Dr M.R. Flax (2000) hybrid simultaneous audio mask Handles the evaluation of the simultaneous audio mask given a filter bank sub-banded output and sample count

Definition at line 29 of file AudioMask.H.

Constructor & Destructor Documentation

AudioMask()

AudioMask::AudioMask	(	int	sampFreq,
		int	fBankCount
	)

Constructs the memory and factors for calculating the audio mask @ sampFreq The sample frequency @ fBankCount The number of filter sub-bands

Definition at line 35 of file AudioMask.C.

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~AudioMask()

AudioMask::~AudioMask

(

void

)

Deconstructor.

Definition at line 47 of file AudioMask.C.

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Member Function Documentation

exciteBeerends()

void AudioMask::exciteBeerends	(	double **	filterBankOutput,
		int	sampleCount
	)

Definition at line 126 of file AudioMask.C.

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exciteTerhardt()

void AudioMask::exciteTerhardt	(	double **	filterBankOutput,
		int	sampleCount
	)

Method for finding the Preceptual Audio Mask using the Terhardt model @ filterBankOutput The output of the filter bank @ sampleCount The number of samples

Definition at line 59 of file AudioMask.C.

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setCFreq()

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

inline

Method for setting the centre freqs @ which The sub-band @ value The correcponding central frequency

Definition at line 52 of file AudioMask.H.

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Member Data Documentation

excitation

double* AudioMask::excitation

private

The excitation of the roex filters.

Definition at line 30 of file AudioMask.H.

factor

double AudioMask::factor

private

Definition at line 32 of file AudioMask.H.

fs

int AudioMask::fs

protected

Sample frequency.

Definition at line 34 of file AudioMask.H.

Lvmu

double* AudioMask::Lvmu

private

Definition at line 31 of file AudioMask.H.

mask

double* AudioMask::mask

The audio mask.

Examples:

AudioMaskerExample.C.

Definition at line 36 of file AudioMask.H.

max

double AudioMask::max

The maximum value of the mask.

Definition at line 37 of file AudioMask.H.

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

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