mfcc.h File Reference

Mel-frequency cepstrum coefficients object. More...

Go to the source code of this file.

Typedefs
typedef struct _aubio_mfcc_t	aubio_mfcc_t
	mfcc object

Functions
aubio_mfcc_t *	new_aubio_mfcc (uint_t buf_size, uint_t n_filters, uint_t n_coeffs, uint_t samplerate)
	create mfcc object More...
void	del_aubio_mfcc (aubio_mfcc_t *mf)
	delete mfcc object More...
void	aubio_mfcc_do (aubio_mfcc_t *mf, cvec_t *in, fvec_t *out)
	mfcc object processing More...

Detailed Description

Mel-frequency cepstrum coefficients object.

Definition in file mfcc.h.

Function Documentation

void aubio_mfcc_do	(	aubio_mfcc_t *	mf,
		cvec_t *	in,
		fvec_t *	out
	)

mfcc object processing

Parameters

mf	mfcc object as returned by new_aubio_mfcc
in	input spectrum (buf_size long)
out	output mel coefficients buffer (n_coeffs long)

Examples:

spectral/test-mfcc.c.

void del_aubio_mfcc

(

aubio_mfcc_t *

mf

)

delete mfcc object

Parameters

mf	mfcc object as returned by new_aubio_mfcc

Examples:

spectral/test-mfcc.c.

aubio_mfcc_t* new_aubio_mfcc	(	uint_t	buf_size,
		uint_t	n_filters,
		uint_t	n_coeffs,
		uint_t	samplerate
	)

create mfcc object

Parameters

buf_size	size of analysis buffer (and length the FFT transform)
samplerate	audio sampling rate
n_coeffs	number of desired coefficients
n_filters	number of desired filters

Examples:

spectral/test-mfcc.c.