sspmod_pitch.c File Reference

Calculate pitch and voicing evidence. More...

Functions
void	spr_pitch_free (SprSspInfo *info)
int	spr_pitch_setup (SprSspInfo *info, const char **descript, void *aux_info)
int	spr_pitch_process (SprSspInfo *info, const void *frame_in, void *frame_out)
void	spr_pitch_reset (SprSspInfo *info, SprSspStatus *action)

Detailed Description

Calculate pitch and voicing evidence.

Calculate the pitch frequency (F0) and the voicing evidence.

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[pitch]
freq_band <nr>(4000)
Frequency band used to calculate the pitch.
window <HAMMING/RECTANGULAR/HANNING/BLACKMAN/TRIANGULAR/GAUSSIAN>(HANNING)
Window use for the fourier transform.
voicing [prob/evidence](prob)
Return voicing probabilities (range 0...1) or evidencies (gaussian alike distribution).
track [limit](1.0)
Pitch tracking.

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Author

Kris Demuynck

Date

24 february 1999

See Also

ssp_master.c