FreeCalypso > hg > gsm-codec-lib
view libtwamr/syn_filt.h @ 504:024615de06fe
libgsmhr1: compile mathdp31.c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 19 Jun 2024 01:19:41 +0000 |
parents | 2af94ba0c075 |
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 : 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