FreeCalypso > hg > gsm-codec-lib
diff libtwamr/weight_a.h @ 395:8c7d5eec544c
libtwamr: integrate weight_a.c
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Mon, 06 May 2024 18:52:57 +0000 |
| parents | |
| children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtwamr/weight_a.h Mon May 06 18:52:57 2024 +0000 @@ -0,0 +1,45 @@ +/* +******************************************************************************** +* +* 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 : weight_a.h +* Purpose : Spectral expansion of LP coefficients. (order==10) +* Description : a_exp[i] = a[i] * fac[i-1] ,i=1,10 +* +* +******************************************************************************** +*/ +#ifndef weight_a_h +#define weight_a_h "$Id $" + +/* +******************************************************************************** +* INCLUDE FILES +******************************************************************************** +*/ +#include "typedef.h" + +/* +******************************************************************************** +* DEFINITION OF DATA TYPES +******************************************************************************** +*/ + +/* +******************************************************************************** +* DECLARATION OF PROTOTYPES +******************************************************************************** +*/ + +void Weight_Ai ( + Word16 a[], /* (i) : a[m+1] LPC coefficients (m=10) */ + const Word16 fac[],/* (i) : Spectral expansion factors. */ + Word16 a_exp[] /* (o) : Spectral expanded LPC coefficients */ +); + +#endif