sspmod_trk2sam.c File Reference

trk2sam turn overlapping frames with samples into a samplefile More...

Functions
void	spr_trk2sam_free (SprSspInfo *Info)
int	spr_trk2sam_setup (SprSspInfo *Info, const char **descript, void *aux_info)
int	spr_trk2sam_process (SprSspInfo *Info, const void *frame_in, void *frame_out)
void	spr_trk2sam_reset (SprSspInfo *Info, SprSspStatus *action)

Detailed Description

trk2sam turn overlapping frames with samples into a samplefile

Reconstructs the time domain signal out of (overlapping) sampleframes by overlap-add. This implementation is based on sam2trk.

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[trk2sam]
flength <time>
Frame length uses when creating the window. By default the value stored in the keys is used.
deemphasis <alpha>(0.0)
Deemphasis: x[i] = y[i]+alpha*x[i-1] (note: x is output, y is input).
window [norm/no_norm](norm)
See the more generic version that also specifies the 'windowtype'.
window <HAMMING/RECTANGULAR/HANNING/BLACKMAN/TRIANGULAR/GAUSSIAN> [norm/no_norm](norm)
The analysis part applied this window, hence need to compensate for it. Be default the value stored in the keys is used.

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Author

Weiye Ma (algorithms), Jacques Duchateau (ssp routines)

Date

22 Sept 1991, 9 Feb 1995

See Also

ssp_master.c