beattracking.h File Reference

Beat tracking using a context dependant model. More...

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Typedefs
typedef _aubio_beattracking_t	aubio_beattracking_t
	beat tracking object
Functions
aubio_beattracking_t *	new_aubio_beattracking (uint_t winlen, uint_t channels)
	create beat tracking object
void	aubio_beattracking_do (aubio_beattracking_t *bt, fvec_t *dfframes, fvec_t *out)
	track the beat
void	del_aubio_beattracking (aubio_beattracking_t *p)
	delete beat tracking object

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Detailed Description

Beat tracking using a context dependant model.

This file implement the causal beat tracking algorithm designed by Matthew Davies and described in the following articles:

Matthew E. P. Davies and Mark D. Plumbley. Causal tempo tracking of audio. In Proceedings of the International Symposium on Music Information Retrieval (ISMIR), pages 164­169, Barcelona, Spain, 2004.

Matthew E. P. Davies, Paul Brossier, and Mark D. Plumbley. Beat tracking towards automatic musical accompaniment. In Proceedings of the Audio Engeeniring Society 118th Convention, Barcelona, Spain, May 2005.

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Function Documentation

void aubio_beattracking_do	(	aubio_beattracking_t *	bt,
		fvec_t *	dfframes,
		fvec_t *	out
	)

track the beat

Parameters:

	bt	beat tracking object
	dfframes	current input detection function frame, smoothed by adaptive median threshold.
	out	stored detected beat locations

void del_aubio_beattracking

(

aubio_beattracking_t *

p

)

delete beat tracking object

Parameters:

p

beat tracking object

aubio_beattracking_t* new_aubio_beattracking	(	uint_t	winlen,
		uint_t	channels
	)

create beat tracking object

Parameters:

	winlen,:	frame size [512]
	channels	number (not functionnal) [1]

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