MFCC Class Reference
[Analysis]

MFCC Mel-Frequency Cepstral Coefficients. Takes as input the N/2+1 spectrum Magnitude points output by PowerSpectrum. More...

#include <MFCC.h>

Inherits Marsyas::MarSystem.

Private Member Functions
void	addControls ()
	Add specific controls needed by this MarSystem.
Private Attributes
mrs_natural	cepstralCoefs_
	Number of cepstral coefficients.
MarControlPtr	ctrl_cepstralCoefs_
	MarControlPtr for the number of cepstral coefficients.
mrs_natural	pcepstralCoefs_
	Previous number of cepstral coefficients (used for determining whether to update).
Static Private Attributes
static const int	cepstralCoefs_default = 13
	Default number of MFCC coefficients.

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Detailed Description

MFCC Mel-Frequency Cepstral Coefficients. Takes as input the N/2+1 spectrum Magnitude points output by PowerSpectrum.

Mel-Frequency cepstral coefficients are features frequently used in Speech Recognition. The code is based on the corresponding function in the Auditory Toolbox by Malcolm Slaney.

See also:

Spectrum, PowerSpectrum

Controls:

• mrs_natural/coefficients [w]: the number of cepstral coefficients to calculate.

Definition at line 46 of file MFCC.h.

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Member Function Documentation

void addControls

(

)

[private]

Add specific controls needed by this MarSystem.

Add any specific controls needed by this MarSystem.

Reimplemented from MarSystem.

Definition at line 61 of file MFCC.cpp.

References MFCC::cepstralCoefs_default, and MFCC::ctrl_cepstralCoefs_.

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

• /home/marsyas/marsyas/src/marsyas/MFCC.h
• /home/marsyas/marsyas/src/marsyas/MFCC.cpp