/***********************************************************************
Copyright?（c）?2006-2012?Skype?Limited.?All?rights?reserved.?
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-?Neither?the?name?of?Skype?Limited?nor?the?names?of?specific?
contributors?may?be?used?to?endorse?or?promote?products?derived?from?
this?software?without?specific?prior?written?permission.
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***********************************************************************/

/*?Conversion?between?prediction?filter?coefficients?and?NLSFs??*/
/*?Requires?the?order?to?be?an?even?number??????????????????????*/
/*?A?piecewise?linear?approximation?maps?LSF?<->?cos（LSF）???????*/
/*?Therefore?the?result?is?not?accurate?NLSFs?but?the?two??????*/
/*?function?are?accurate?inverses?of?each?other?????????????????*/

#include?“SKP_Silk_SigProc_FIX.h“

/*?Number?of?binary?divisions?*/
#define?BIN_DIV_STEPS_A2NLSF_FIX??????3?/*?must?be?no?higher?than?16?-?log2（?LSF_COS_TAB_SZ_FIX?）?*/
#define?QPoly????????????????????????16
#define?MAX_ITERATIONS_A2NLSF_FIX????30

/*?Flag?for?using?2x?as?many?cosine?sampling?points?reduces?the?risk?of?missing?a?root?*/
#define?OVERSAMPLE_COSINE_TABLE???????0

/*?Helper?function?for?A2NLSF（..）????????????????????*/
/*?Transforms?polynomials?from?cos（n*f）?to?cos（f）^n??*/
SKP_INLINE?void?SKP_Silk_A2NLSF_trans_poly（
????SKP_int32????????*p????/*?I/O????Polynomial????????????????????????????????*/
????const?SKP_int????dd?????/*?I??????Polynomial?order?（=?filter?order?/?2?）????*/
）
{
????SKP_int?k?n;
????
????for（?k?=?2;?k?<=?dd;?k++?）?{
????????for（?n?=?dd;?n?>?k;?n--?）?{
????????????p[?n?-?2?]?-=?p[?n?];
????????}
????????p[?k?-?2?]?-=?SKP_LSHIFT

?屬性????????????大小?????日期????時間???名稱
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?????目錄???????????0??2018-03-05?11:35??微信小程序源碼包你說紅包\
?????目錄???????????0??2018-03-05?11:38??微信小程序源碼包你說紅包\前端\
?????文件????????4255??2018-03-04?09:44??微信小程序源碼包你說紅包\前端\app.js
?????文件????????1211??2018-01-02?14:08??微信小程序源碼包你說紅包\前端\app.json
?????文件????????1255??2017-12-20?10:10??微信小程序源碼包你說紅包\前端\app.wxss
?????目錄???????????0??2018-02-04?11:54??微信小程序源碼包你說紅包\前端\images\
?????文件????????1039??2017-12-12?15:48??微信小程序源碼包你說紅包\前端\images\buttom-down.png
?????文件????????1361??2017-12-12?15:47??微信小程序源碼包你說紅包\前端\images\choose.png
?????文件????????1375??2017-12-12?15:56??微信小程序源碼包你說紅包\前端\images\click-play-record.png
?????文件????????1341??2017-12-19?15:53??微信小程序源碼包你說紅包\前端\images\close.png
?????文件????????1896??2017-12-12?16:00??微信小程序源碼包你說紅包\前端\images\customer-service.png
?????文件?????????492??2017-12-12?12:09??微信小程序源碼包你說紅包\前端\images\customer.png
?????文件?????????879??2017-12-12?12:09??微信小程序源碼包你說紅包\前端\images\icon-wh.png
?????文件????????1346??2017-12-12?15:50??微信小程序源碼包你說紅包\前端\images\maxmoney-ico.png
?????文件????????3671??2017-12-12?18:03??微信小程序源碼包你說紅包\前端\images\me-on.png
?????文件????????3663??2017-12-12?18:02??微信小程序源碼包你說紅包\前端\images\me.png
?????文件????????1390??2017-12-12?20:01??微信小程序源碼包你說紅包\前端\images\microphone.png
?????文件???????83496??2017-12-15?21:10??微信小程序源碼包你說紅包\前端\images\Noads.png
?????文件????????1419??2017-12-12?20:05??微信小程序源碼包你說紅包\前端\images\pic.png
?????文件????????6414??2017-12-12?12:09??微信小程序源碼包你說紅包\前端\images\play-icon.gif
?????文件???????38603??2017-12-16?16:57??微信小程序源碼包你說紅包\前端\images\ptgg.png
?????文件????????1680??2017-12-12?16:00??微信小程序源碼包你說紅包\前端\images\question.png
?????文件????????1568??2017-12-12?16:00??微信小程序源碼包你說紅包\前端\images\record.png
?????文件????????3893??2017-12-12?18:02??微信小程序源碼包你說紅包\前端\images\red-packet-on.png
?????文件????????3961??2017-12-12?18:03??微信小程序源碼包你說紅包\前端\images\red-packet.png
?????文件?????????774??2017-12-12?12:09??微信小程序源碼包你說紅包\前端\images\redtips.png
?????文件????????1266??2017-12-15?09:53??微信小程序源碼包你說紅包\前端\images\right-arrows.png
?????文件????????3884??2017-12-12?18:03??微信小程序源碼包你說紅包\前端\images\square-on.png
?????文件????????2217??2017-12-12?15:46??微信小程序源碼包你說紅包\前端\images\square-redpacket-ig.png
?????文件????????3884??2017-12-12?18:04??微信小程序源碼包你說紅包\前端\images\square.png
?????文件????????3314??2017-12-13?15:21??微信小程序源碼包你說紅包\前端\images\transpond-ico.png
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