Tempo detection object. More...
Go to the source code of this file.
Typedefs | |
typedef struct _aubio_tempo_t | aubio_tempo_t |
tempo detection structure | |
Functions | |
aubio_tempo_t * | new_aubio_tempo (char_t *method, uint_t buf_size, uint_t hop_size, uint_t samplerate) |
create tempo detection object More... | |
void | aubio_tempo_do (aubio_tempo_t *o, fvec_t *input, fvec_t *tempo) |
execute tempo detection More... | |
uint_t | aubio_tempo_get_last (aubio_tempo_t *o) |
get the time of the latest beat detected, in samples More... | |
smpl_t | aubio_tempo_get_last_s (aubio_tempo_t *o) |
get the time of the latest beat detected, in seconds More... | |
smpl_t | aubio_tempo_get_last_ms (aubio_tempo_t *o) |
get the time of the latest beat detected, in milliseconds More... | |
uint_t | aubio_tempo_set_silence (aubio_tempo_t *o, smpl_t silence) |
set tempo detection silence threshold More... | |
uint_t | aubio_tempo_set_threshold (aubio_tempo_t *o, smpl_t threshold) |
set tempo detection peak picking threshold More... | |
smpl_t | aubio_tempo_get_bpm (aubio_tempo_t *o) |
get current tempo More... | |
smpl_t | aubio_tempo_get_confidence (aubio_tempo_t *o) |
get current tempo confidence More... | |
void | del_aubio_tempo (aubio_tempo_t *o) |
delete tempo detection object More... | |
Tempo detection object.
This object stores all the memory required for tempo detection algorithm and returns the estimated beat locations.
Definition in file tempo.h.
void aubio_tempo_do | ( | aubio_tempo_t * | o, |
fvec_t * | input, | ||
fvec_t * | tempo | ||
) |
execute tempo detection
o | beat tracking object |
input | new samples |
tempo | output beats |
smpl_t aubio_tempo_get_bpm | ( | aubio_tempo_t * | o | ) |
get current tempo
o | beat tracking object |
0
if no consistent value is found smpl_t aubio_tempo_get_confidence | ( | aubio_tempo_t * | o | ) |
get current tempo confidence
o | beat tracking object |
0
if no consistent value is found. uint_t aubio_tempo_get_last | ( | aubio_tempo_t * | o | ) |
get the time of the latest beat detected, in samples
o | tempo detection object as returned by new_aubio_tempo |
smpl_t aubio_tempo_get_last_ms | ( | aubio_tempo_t * | o | ) |
get the time of the latest beat detected, in milliseconds
o | tempo detection object as returned by new_aubio_tempo |
smpl_t aubio_tempo_get_last_s | ( | aubio_tempo_t * | o | ) |
get the time of the latest beat detected, in seconds
o | tempo detection object as returned by new_aubio_tempo |
uint_t aubio_tempo_set_silence | ( | aubio_tempo_t * | o, |
smpl_t | silence | ||
) |
set tempo detection silence threshold
o | beat tracking object |
silence | new silence threshold, in dB |
0
if successful, non-zero otherwise uint_t aubio_tempo_set_threshold | ( | aubio_tempo_t * | o, |
smpl_t | threshold | ||
) |
set tempo detection peak picking threshold
o | beat tracking object |
threshold | new threshold |
0
if successful, non-zero otherwise void del_aubio_tempo | ( | aubio_tempo_t * | o | ) |
delete tempo detection object
o | beat tracking object |
aubio_tempo_t* new_aubio_tempo | ( | char_t * | method, |
uint_t | buf_size, | ||
uint_t | hop_size, | ||
uint_t | samplerate | ||
) |
create tempo detection object
method | beat tracking method, unused for now (use "default") |
buf_size | length of FFT |
hop_size | number of frames between two consecutive runs |
samplerate | sampling rate of the signal to analyze |
NULL
otherwise