FreeCalypso > hg > gsm-codec-lib
view libtwamr/lsp_lsf.h @ 479:616b7ba1135b
doc/AMR-library-API: document AMR-EFR hybrid decoder
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 19 May 2024 22:22:40 +0000 |
parents | 05a46720af0f |
children |
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/* ******************************************************************************** * * 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