FreeCalypso > hg > gsm-codec-lib
diff libtwamr/syn_filt.h @ 394:2af94ba0c075
libtwamr: integrate syn_filt.c
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Mon, 06 May 2024 18:49:17 +0000 |
| parents | |
| children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtwamr/syn_filt.h Mon May 06 18:49:17 2024 +0000 @@ -0,0 +1,47 @@ +/* +******************************************************************************** +* +* GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001 +* R99 Version 3.3.0 +* REL-4 Version 4.1.0 +* +******************************************************************************** +* +* File : syn_filt.h +* Purpose : Perform synthesis filtering through 1/A(z). +* +* +******************************************************************************** +*/ +#ifndef syn_filt_h +#define syn_filt_h "$Id $" + +/* +******************************************************************************** +* INCLUDE FILES +******************************************************************************** +*/ +#include "typedef.h" + +/* +******************************************************************************** +* DEFINITION OF DATA TYPES +******************************************************************************** +*/ + +/* +******************************************************************************** +* DECLARATION OF PROTOTYPES +******************************************************************************** +*/ + +void Syn_filt ( + Word16 a[], /* (i) : a[m+1] prediction coefficients (m=10) */ + Word16 x[], /* (i) : input signal */ + Word16 y[], /* (o) : output signal */ + Word16 lg, /* (i) : size of filtering */ + Word16 mem[], /* (i/o): memory associated with this filtering. */ + Word16 update /* (i) : 0=no update, 1=update of memory. */ +); + +#endif