/*?ITU-T?G.729?Software?Package?Release?2?（November?2006）?*/
/*
???ITU-T?G.729?Speech?Coder?ANSI-C?Source?Code
???Version?3.3????Last?modified:?December?26?1995

???Copyright?（c）?1996
???AT&T?France?Telecom?NTT?Universite?de?Sherbrooke?Lucent?Technologies
???All?rights?reserved.
*/

/*---------------------------------------------------------------------------*
?*??Function??ACELP_CODEBOOK（）???????????????????????????????????????????????*
?*??~~~~~~~~~~~~~~~~~~~~~~~~~~???????????????????????????????????????????????*
?*???Find?Algebraic?codebook.????????????????????????????????????????????????*
?*--------------------------------------------------------------------------*/

#include?“typedef.h“
#include?“basic_op.h“
#include?“ld8k.h“
static?void?Cor_h（
?????Word16?*H?????????/*?（i）?Q12?:Impulse?response?of?filters?*/
?????Word16?*rr?????????/*?（o）?????:Correlations?of?H[]?????????*/
）;
static?void?Cor_h_X（
?????Word16?h[]????????/*?（i）?Q12?:Impulse?response?of?filters??????*/
?????Word16?X[]????????/*?（i）?Q12?:Target?vector????????????????????*/
?????Word16?D[]?????????/*?（o）?????:Correlations?between?h[]?and?D[]?*/
????????????????????????/*??????????Normalized?to?13?bits????????????*/
）;
static?Word16?D4i40_17（????????/*?（o）????:?Index?of?pulses?positions.???????????????*/
??Word16?Dn[]??????????/*?（i）????:?Correlations?between?h[]?and?Xn[].???????*/
??Word16?rr[]??????????/*?（i）????:?Correlations?of?impulse?response?h[].????*/
??Word16?h[]???????????/*?（i）?Q12:?Impulse?response?of?filters.?????????????*/
??Word16?cod[]?????????/*?（o）?Q13:?Selected?algebraic?codeword.?????????????*/
??Word16?y[]???????????/*?（o）?Q12:?Filtered?algebraic?codeword.?????????????*/
??Word16?*sign?????????/*?（o）????:?Signs?of?4?pulses.???????????????????????*/
??Word16?i_subfr????????/*?（i）????:?subframe?flag????????????????????????????*/
）;

Word16??ACELP_Codebook（??/*?（o）?????:index?of?pulses?positions????*/
??Word16?x[]????????????/*?（i）?????:Target?vector????????????????*/
??Word16?h[]????????????/*?（i）?Q12?:Impulse?response?of?filters??*/
??Word16?T0?????????????/*?（i）?????:Pitch?lag????????????????????*/
??Word16?pitch_sharp????/*?（i）?Q14?:Last?quantized?pitch?gain????*/
??Word16?i_subfr????????/*?（i）?????:Indicator?of?1st?subframe???*/
??Word16?code[]?????????/*?（o）?Q13?:Innovative?codebook??????????*/
??Word16?y[]????????????/*?（o）?Q12?:Filtered?innovative?codebook?*/
??Word16?*sign???????????/*?（o）?????:Signs?of?4?pulses????????????*/
）
{
??Word16?i?index?sharp;
??Word16?Dn[L_SUBFR];
??Word16?rr[DIM_RR];

?/*-----------------------------------------------------------------*
??*?Include?fixed-gain?pitch?contribution?into?impulse?resp.?h[]????*
??*?Find?correlations?of?h[]?needed?for?the?codebook?search.????????*
??*-----------------------------------------------------------------*/

??sharp?=?shl（pitch_sharp?1）;??????????/*?From?Q14?to?Q15?*/
??if?（sub（T0?L_SUBFR）<0）
?????for

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-07-10?03:16??Software\
?????目錄???????????0??2012-07-10?03:10??Software\G729_Release3\
?????目錄???????????0??2012-07-10?03:04??Software\G729_Release3\g729\
?????目錄???????????0??2012-07-10?03:04??Software\G729_Release3\g729AnnexA\
?????目錄???????????0??2012-07-10?03:04??Software\G729_Release3\g729AnnexA\c_code\
?????文件???????28226??2006-10-09?19:28??Software\G729_Release3\g729AnnexA\c_code\ACELP_CA.C
?????文件??????103913??1996-10-01?13:12??Software\G729_Release3\g729AnnexA\c_code\BASIC_OP.C
?????文件????????3414??1996-10-01?13:12??Software\G729_Release3\g729AnnexA\c_code\BASIC_OP.H
?????文件????????4316??2006-10-09?19:26??Software\G729_Release3\g729AnnexA\c_code\BITS.C
?????文件????????3381??2006-10-09?19:35??Software\G729_Release3\g729AnnexA\c_code\CODER.C
?????文件????????3017??1996-10-01?13:28??Software\G729_Release3\g729AnnexA\c_code\CODER.MAK
?????文件???????19224??2006-10-09?19:26??Software\G729_Release3\g729AnnexA\c_code\COD_LD8A.C
?????文件????????4935??2006-10-09?19:26??Software\G729_Release3\g729AnnexA\c_code\COR_FUNC.C
?????文件????????4764??2006-10-09?19:35??Software\G729_Release3\g729AnnexA\c_code\DECODER.C
?????文件????????2783??1996-10-01?13:29??Software\G729_Release3\g729AnnexA\c_code\DECODER.MAK
?????文件????????4928??2006-10-09?19:26??Software\G729_Release3\g729AnnexA\c_code\DEC_GAIN.C
?????文件????????2289??2006-10-09?19:26??Software\G729_Release3\g729AnnexA\c_code\DEC_LAG3.C
?????文件????????9658??2006-10-09?19:26??Software\G729_Release3\g729AnnexA\c_code\DEC_LD8A.C
?????文件????????1950??2006-10-09?19:26??Software\G729_Release3\g729AnnexA\c_code\DE_ACELP.C
?????文件????????8132??2006-10-09?19:27??Software\G729_Release3\g729AnnexA\c_code\DSPFUNC.C
?????文件????????3881??2006-10-09?19:27??Software\G729_Release3\g729AnnexA\c_code\FILTER.C
?????文件????????7769??2006-10-09?19:27??Software\G729_Release3\g729AnnexA\c_code\GAINPRED.C
?????文件???????25171??2006-10-09?19:29??Software\G729_Release3\g729AnnexA\c_code\LD8A.H
?????文件???????23331??2006-10-09?19:27??Software\G729_Release3\g729AnnexA\c_code\LPC.C
?????文件???????10613??2006-10-09?19:27??Software\G729_Release3\g729AnnexA\c_code\LPCFUNC.C
?????文件????????3307??2006-10-09?19:27??Software\G729_Release3\g729AnnexA\c_code\LSPDEC.C
?????文件????????5844??2006-10-09?19:27??Software\G729_Release3\g729AnnexA\c_code\LSPGETQ.C
?????文件???????12485??2006-10-09?19:27??Software\G729_Release3\g729AnnexA\c_code\OPER_32B.C
?????文件?????????532??1996-10-01?14:58??Software\G729_Release3\g729AnnexA\c_code\OPER_32B.H
?????文件???????18172??2006-10-09?19:27??Software\G729_Release3\g729AnnexA\c_code\PITCH_A.C
?????文件???????14534??2006-10-09?19:27??Software\G729_Release3\g729AnnexA\c_code\POSTFILT.C
............此處省略914個文件信息