/*************************************************************************/
/*???????????????????????????????????????????????????????????????????????*/
/*????????????????????????????LD-CELP??G.728?????????????????????????????*/
/*???????????????????????????????????????????????????????????????????????*/
/*????Low-Delay?Code?Excitation?Linear?Prediction?speech?compression.????*/
/*???????????????????????????????????????????????????????????????????????*/
/*?????????????????Copyright:?Analog?Devices?Inc.?1993?????????????????*/
/*???????????????????????????????????????????????????????????????????????*/
/*?????????????????????????Author:?Alex?Zatsman.?????????????????????????*/
/*???????????????????????????????????????????????????????????????????????*/
/*??This?program?was?written?mostly?for?testing??Analog?Devices‘?g21k?C??*/
/*??compiler?for?the??ADSP21000?architecture??family.?While?the?program??*/
/*??works??on??Sparc?and?ADSP21020?it??has??NOT??been??tested?with?the??*/
/*??official?test?data?from?CCITT/ITU.???????????????????????????????????*/
/*???????????????????????????????????????????????????????????????????????*/
/*??The?program??is???distributed?as??is??WITHOUT?ANY?WARRANTY?EITHER??*/
/*??EXPLICIT?OR?IMPLIED.?????????????????????????????????????????????????*/
/*???????????????????????????????????????????????????????????????????????*/
/*************************************************************************/

#include?“common.h“
#include?“fast.h“
#include?“parm.h“
#include?“data.h“
#include?“prototyp.h“

static?int?sf_levdur?（real[]?real?LPC_MEM?[]）;
static?int?levdur?（real[]?real?LPC_MEM?[]?int）;
static?void?hybwin（int?lpsize?int?framesize?int?nrsize
	????real?old_input[]?real?new_input[]?real?output[]
	????real?WIN_MEM?window[]?real?rec[]??real?decay）;
static?void?bw_expand2（real?input[]
		???????real?COEFF_MEM?z_out[]?real?COEFF_MEM?p_out[]
		???????int?order?real?z_vec[]?real?p_vec[]）;
static?void?bw_expand1（real?input[]?real?COEFF_MEM?p_out[]
		int?order?real?p_vec[]）;

/**********************************?Adapter?for?Perceptual?Weighting?Filter?*/

static?real?
????pwf_z_vec[LPCW+1]		/*?Arrays?for?band?widening:?zeros?and*/
????pwf_p_vec[LPCW+1]		/*?poles?*/
????pwf_old_input[LPCW+NFRSZ+NONRW]
????pwf_rec[LPCW+1];			/*?Recursive?Part?*/
????

void
pwf_adapter?（real?input[]
	?????real?COEFF_MEM?z_out[]?/*?zero?coefficients?*/
	?????real?COEFF_MEM?p_out[]）?/*?pole?coefficients?*/
{
????static?real
	acorr[LPCW+1]		/*?autocorrelation?coefficients?*/
	lpcoeff[LPCW+1];
????static?real?LPC_MEM
	temp[LPCW+1];

????hybwin（LPCW	/*?lpsize?*/
	???NFRSZ	/*?framesize?*/
	???NONRW	/*?nrsize?--?nonrecursive?size?*/
	???pwf_old_input
	???input
	???acorr
	???hw_percw
	???pwf_rec
	???0.5）;
????if?（levdur（acorr?temp?LPCW））
	RCOPY（temp?lpcoeff?LPCW+1）;
????bw_expand2?（lpcoeff?z_out?p_out?LPCW
		pwf_z_vec?pwf_p_vec）;
}

?void
init_pwf_adapter?（real?COEFF_MEM?z_co[]?real?COEFF_MEM?p_co[]）
{
????real?zv?=?1.0?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????6964??1993-07-21?05:00??G.729\G729（LD-CELP）\020_hdr.asm

?????文件???????2829??1993-08-12?00:50??G.729\G729（LD-CELP）\21kflags.h

?????文件??????10492??1993-08-14?04:32??G.729\G729（LD-CELP）\adapters.c

?????文件???????2969??1993-08-14?04:34??G.729\G729（LD-CELP）\cbindex.asm

?????文件???????1538??1993-08-13?03:37??G.729\G729（LD-CELP）\cbindex.h

?????文件???????5269??2002-08-07?11:45??G.729\G729（LD-CELP）\ccelp\ccelp.dsp

?????文件????????533??2002-08-07?11:42??G.729\G729（LD-CELP）\ccelp\ccelp.dsw

?????文件?????123904??2007-06-02?13:50??G.729\G729（LD-CELP）\ccelp\ccelp.ncb

?????文件??????69632??2007-06-02?13:50??G.729\G729（LD-CELP）\ccelp\ccelp.opt

?????文件???????6209??1993-08-14?04:33??G.729\G729（LD-CELP）\cmain.c

?????文件???????6480??1993-08-14?04:33??G.729\G729（LD-CELP）\codebook.c

?????文件???????3843??1993-08-13?23:06??G.729\G729（LD-CELP）\common.h

?????文件??????14791??1993-08-14?04:33??G.729\G729（LD-CELP）\data.c

?????文件???????1340??1993-08-13?05:05??G.729\G729（LD-CELP）\data.h

?????文件???????5444??1993-08-14?04:33??G.729\G729（LD-CELP）\dmain.c

?????文件????????791??1993-07-21?01:45??G.729\G729（LD-CELP）\ez.ach

?????文件???????4730??1993-08-14?04:33??G.729\G729（LD-CELP）\ezplay.c

?????文件???????2956??1993-07-23?20:07??G.729\G729（LD-CELP）\fast.h

?????文件???????6910??1993-08-14?04:33??G.729\G729（LD-CELP）\filters.c

?????文件???????6745??1993-08-14?04:34??G.729\G729（LD-CELP）\fio21k.asm

?????文件???????2053??1993-08-14?04:33??G.729\G729（LD-CELP）\global.c

?????文件???????4024??1993-08-14?04:34??G.729\G729（LD-CELP）\io-sparc.c

?????文件???????2370??1994-05-07?01:13??G.729\G729（LD-CELP）\Makefile

?????文件???????1243??1993-07-17?07:45??G.729\G729（LD-CELP）\parm.h

?????文件??????12087??1993-08-14?04:34??G.729\G729（LD-CELP）\postfil.c

?????文件???????1677??1993-08-13?04:38??G.729\G729（LD-CELP）\prototyp.h

?????文件????????108??1993-08-14?03:09??G.729\G729（LD-CELP）\qsize.h

?????文件???????3359??1994-05-07?01:12??G.729\G729（LD-CELP）\README

?????文件???????2649??2004-11-24?17:40??G.729\G729A_Eval\EasyG729A.h

?????文件???????4514??2004-11-24?17:47??G.729\G729A_Eval\EasyG729A_decoder.c

............此處省略26個文件信息