tss.h File Reference

Transient / Steady-state Separation (TSS) More...

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Typedefs
typedef struct _aubio_tss_t	aubio_tss_t
	TSS object.
Functions
aubio_tss_t *	new_aubio_tss (smpl_t thrs, smpl_t alfa, smpl_t beta, uint_t size, uint_t overlap, uint_t channels)
	create tss object
void	del_aubio_tss (aubio_tss_t *s)
	delete tss object
void	aubio_tss_set_thres (aubio_tss_t *tss, smpl_t thrs)
	set transient / steady state separation threshold
void	aubio_tss_do (aubio_tss_t *s, cvec_t *input, cvec_t *trans, cvec_t *stead)
	split input into transient and steady states components

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Detailed Description

Transient / Steady-state Separation (TSS)

This file implement a Transient / Steady-state Separation (TSS) as described in:

Christopher Duxbury, Mike E. Davies, and Mark B. Sandler. Separation of transient information in musical audio using multiresolution analysis techniques. In Proceedings of the Digital Audio Effects Conference, DAFx-01, pages 1­5, Limerick, Ireland, 2001.

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Function Documentation

void aubio_tss_do	(	aubio_tss_t *	s,
		cvec_t *	input,
		cvec_t *	trans,
		cvec_t *	stead
	)

split input into transient and steady states components

Parameters:

s	tss object as returned by new_aubio_tss
input	input spectral frame
trans	output transient components
stead	output steady state components

void aubio_tss_set_thres	(	aubio_tss_t *	tss,
		smpl_t	thrs
	)

set transient / steady state separation threshold

Parameters:

tss	tss object as returned by new_aubio_tss
thrs	new threshold value

void del_aubio_tss

(

aubio_tss_t *

s

)

delete tss object

Parameters:

s	tss object as returned by new_aubio_tss

aubio_tss_t* new_aubio_tss	(	smpl_t	thrs,
		smpl_t	alfa,
		smpl_t	beta,
		uint_t	size,
		uint_t	overlap,
		uint_t	channels
	)

create tss object

Parameters:

thrs	separation threshold
alfa	alfa parameter
beta	beta parameter
size	buffer size
overlap	step size
channels	number of input channels