FreeCalypso > hg > gsm-codec-lib
diff libtwamr/lsp_lsf.h @ 344:05a46720af0f
libtwamr: integrate d_plsf_3.c
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Fri, 19 Apr 2024 01:23:15 +0000 |
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| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtwamr/lsp_lsf.h Fri Apr 19 01:23:15 2024 +0000 @@ -0,0 +1,48 @@ +/* +******************************************************************************** +* +* 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 : lsp_lsf.h +* Purpose : Lsp_lsf: Transformation lsp to lsf +* : Lsf_lsp: Transformation lsf to lsp +* +******************************************************************************** +*/ +#ifndef lsp_lsf_h +#define lsp_lsf_h "$Id $" + +/* +******************************************************************************** +* INCLUDE FILES +******************************************************************************** +*/ +#include "typedef.h" + +/* +******************************************************************************** +* DEFINITION OF DATA TYPES +******************************************************************************** +*/ + +/* +******************************************************************************** +* DECLARATION OF PROTOTYPES +******************************************************************************** +*/ +void Lsf_lsp ( + Word16 lsf[], /* (i) : lsf[m] normalized (range: 0.0<=val<=0.5) */ + Word16 lsp[], /* (o) : lsp[m] (range: -1<=val<1) */ + Word16 m /* (i) : LPC order */ +); +void Lsp_lsf ( + Word16 lsp[], /* (i) : lsp[m] (range: -1<=val<1) */ + Word16 lsf[], /* (o) : lsf[m] normalized (range: 0.0<=val<=0.5) */ + Word16 m /* (i) : LPC order */ +); + +#endif