FreeCalypso > hg > gsm-codec-lib
diff libtwamr/residu.h @ 393:a2351f2ad4f8
libtwamr: integrate residu.c
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Mon, 06 May 2024 18:44:13 +0000 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtwamr/residu.h Mon May 06 18:44:13 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 : residu.h +* Purpose : Computes the LP residual. +* Description : The LP residual is computed by filtering the input +* : speech through the LP inverse filter A(z). +* +* +******************************************************************************** +*/ +#ifndef residu_h +#define residu_h "$Id $" + +/* +******************************************************************************** +* INCLUDE FILES +******************************************************************************** +*/ +#include "typedef.h" + +/* +******************************************************************************** +* DEFINITION OF DATA TYPES +******************************************************************************** +*/ + +/* +******************************************************************************** +* DECLARATION OF PROTOTYPES +******************************************************************************** +*/ + +void Residu ( + Word16 a[], /* (i) : prediction coefficients */ + Word16 x[], /* (i) : speech signal */ + Word16 y[], /* (o) : residual signal */ + Word16 lg /* (i) : size of filtering */ +); + +#endif