dolby_win.h

语音压缩算法

/*******************************************************************************
*                                                                              *
* Interface between the MPEG-4 Audio VM and the ITU-T G.729 8 kbit/s decoder   *
*                                                                              *
********************************************************************************

This software module was originally developed by
Bernhard Grill (University of Erlangen) 
in the course of development of the MPEG-4 Audio (ISO/IEC 14496-3).
This software module is an implementation of a part of one or more MPEG-4 Audio
(ISO/IEC 14496-3) tools as specified by the MPEG-4 Audio (ISO/IEC 14496-3).
ISO/IEC gives users of the MPEG-4 Audio (ISO/IEC 14496-3) free license to this
software module or modifications thereof for use in hardware or software
products claiming conformance to the MPEG-4 Audio (ISO/IEC 14496-3).
Those intending to use this software module in hardware or software products are
advised that its use may infringe existing patents.
The original developer of this software module and his/her company, the
subsequent editors and their companies, and ISO/IEC have no liability for use of
this software module or modifications thereof in an implementation.
Copyright is not released for non MPEG-4 Audio (ISO/IEC 14496-3) conforming
products.
The original developers retain full right to use the code for his/her own
purpose, assign or donate the code to a third party and to inhibit third parties
from using the code for non MPEG-4 Audio (ISO/IEC 14496-3) conforming products.
This copyright notice must be included in all copies or derivative works.
Copyright (C) 1997.
*/
#ifndef _DOLBY_WIN_H_
#define _DOLBY_WIN_H_

double dolby_win_1024[1024] = {  /* IBLEN = 1024 */
  0.00029256153896361,
  0.00042998567353047,
  0.00054674074589540,
  0.00065482304299792,
  0.00075870195068747,
  0.00086059331713336,
  0.00096177541439010,
  0.0010630609410878,
  0.0011650036308132,
  0.0012680012194148,
  0.0013723517232956,
  0.0014782864109136,
  0.0015859901976719,
  0.0016956148252373,
  0.0018072876903517,
  0.0019211179405514,
  0.0020372007924215,
  0.0021556206591754,
  0.0022764534599614,
  0.0023997683540995,
  0.0025256290631156,
  0.0026540948920831,
  0.0027852215281403,
  0.0029190616715331,
  0.0030556655443223,
  0.0031950812943391,
  0.0033373553240392,
  0.0034825325586930,
  0.0036306566699199,
  0.0037817702604646,
  0.0039359150179719,
  0.0040931318437260,
  0.0042534609610026,
  0.0044169420066964,
  0.0045836141091341,
  0.0047535159544086,
  0.0049266858431214,
  0.0051031617390698,
  0.0052829813111335,
  0.0054661819693975,
  0.0056528008963682,
  0.0058428750739943,
  0.0060364413070882,
  0.0062335362436492,
  0.0064341963925079,
  0.0066384581386503,
  0.0068463577565218,
  0.0070579314215715,
  0.0072732152202559,
  0.0074922451586909,
  0.0077150571701162,
  0.0079416871213115,
  0.0081721708180857,
  0.0084065440099458,
  0.0086448423940363,
  0.0088871016184291,
  0.0091333572848345,
  0.0093836449507939,
  0.0096380001314086,
  0.0098964583006517,
  0.010159054892306,
  0.010425825300561,
  0.010696804880310,
  0.010972028947167,
  0.011251532777236,
  0.011535351606646,
  0.011823520630897,
  0.012116075003993,
  0.012413049837429,
  0.012714480198999,
  0.013020401111478,
  0.013330847551161,
  0.013645854446288,
  0.013965456675352,
  0.014289689065314,
  0.014618586389712,
  0.014952183366697,
  0.015290514656976,
  0.015633614861688,
  0.015981518520214,
  0.016334260107915,
  0.016691874033817,
  0.017054394638241,
  0.017421856190380,
  0.017794292885832,
  0.018171738844085,
  0.018554228105962,
  0.018941794631032,
  0.019334472294980,
  0.019732294886947,
  0.020135296106839,
  0.020543509562604,
  0.020956968767488,
  0.021375707137257,
  0.021799757987407,
  0.022229154530343,
  0.022663929872540,
  0.023104117011689,
  0.023549748833816,
  0.024000858110398,
  0.024457477495451,
  0.024919639522613,
  0.025387376602207,
  0.025860721018295,
  0.026339704925726,
  0.026824360347160,
  0.027314719170100,
  0.027810813143900,
  0.028312673876775,
  0.028820332832801,
  0.029333821328905,
  0.029853170531859,
  0.030378411455255,
  0.030909574956490,
  0.031446691733739,
  0.031989792322926,
  0.032538907094693,
  0.033094066251369,
  0.033655299823935,
  0.034222637668991,
  0.034796109465717,
  0.035375744712844,
  0.035961572725616,
  0.036553622632758,
  0.037151923373446,
  0.037756503694277,
  0.038367392146243,
  0.038984617081711,
  0.039608206651398,
  0.040238188801359,
  0.040874591269976,
  0.041517441584950,
  0.042166767060301,
  0.042822594793376,
  0.043484951661852,
  0.044153864320760,
  0.044829359199509,
  0.045511462498913,
  0.046200200188234,
  0.046895598002228,
  0.047597681438201,
  0.048306475753074,
  0.049022005960455,
  0.049744296827725,
  0.050473372873129,
  0.051209258362879,
  0.051951977308273,
  0.052701553462813,
  0.053458010319350,
  0.054221371107223,
  0.054991658789428,
  0.055768896059787,
  0.056553105340134,
  0.057344308777513,
  0.058142528241393,
  0.058947785320893,
  0.059760101322019,
  0.060579497264926,
  0.061405993881180,
  0.062239611611049,
  0.063080370600799,
  0.063928290700012,
  0.064783391458919,
  0.065645692125747,
  0.066515211644086,
  0.067391968650269,
  0.068275981470777,
  0.069167268119652,
  0.070065846295935,
  0.070971733381121,
  0.071884946436630,
  0.072805502201299,
  0.073733417088896,
  0.074668707185649,
  0.075611388247794,
  0.076561475699152,
  0.077518984628715,
  0.078483929788261,
  0.079456325589986,
  0.080436186104162,
  0.081423525056808,
  0.082418355827392,
  0.083420691446553,
  0.084430544593841,
  0.085447927595483,
  0.086472852422178,
  0.087505330686900,
  0.088545373642744,
  0.089592992180780,
  0.090648196827937,
  0.091710997744919,
  0.092781404724131,
  0.093859427187640,
  0.094945074185163,
  0.096038354392069,
  0.097139276107423,
  0.098247847252041,
  0.099364075366580,
  0.10048796760965,
  0.10161953075597,
  0.10275877119451,
  0.10390569492671,
  0.10506030756469,
  0.10622261432949,
  0.10739262004941,
  0.10857032915821,
  0.10975574569357,
  0.11094887329534,
  0.11214971520402,
  0.11335827425914,
  0.11457455289772,
  0.11579855315274,
  0.11703027665170,
  0.11826972461510,
  0.11951689785504,
  0.12077179677383,
  0.12203442136263,
  0.12330477120008,
  0.12458284545102,
  0.12586864286523,
  0.12716216177615,
  0.12846340009971,
  0.12977235533312,
  0.13108902455375,
  0.13241340441801,
  0.13374549116025,
  0.13508528059173,
  0.13643276809961,
  0.13778794864595,
  0.13915081676677,
  0.14052136657114,
  0.14189959174027,
  0.14328548552671,
  0.14467904075349,
  0.14608024981336,
  0.14748910466804,
  0.14890559684750,
  0.15032971744929,
  0.15176145713790,
  0.15320080614414,
  0.15464775426459,
  0.15610229086100,
  0.15756440485987,
  0.15903408475193,
  0.16051131859170,
  0.16199609399712,
  0.16348839814917,
  0.16498821779156,
  0.16649553923042,
  0.16801034833404,
  0.16953263053270,
  0.17106237081842,
  0.17259955374484,
  0.17414416342714,
  0.17569618354193,
  0.17725559732720,
  0.17882238758238,
  0.18039653666830,
  0.18197802650733,
  0.18356683858343,
  0.18516295394233,
  0.18676635319174,
  0.18837701650148,
  0.18999492360384,
  0.19162005379380,
  0.19325238592940,
  0.19489189843209,
  0.19653856928714,
  0.19819237604409,
  0.19985329581721,
  0.20152130528605,
  0.20319638069594,
  0.20487849785865,
  0.20656763215298,
  0.20826375852540,
  0.20996685149083,
  0.21167688513330,
  0.21339383310678,
  0.21511766863598,
  0.21684836451719,
  0.21858589311922,
  0.22033022638425,
  0.22208133582887,
  0.22383919254503,
  0.22560376720111,
  0.22737503004300,
  0.22915295089517,
  0.23093749916189,
  0.23272864382838,
  0.23452635346201,
  0.23633059621364,
  0.23814133981883,
  0.23995855159925,
  0.24178219846403,
  0.24361224691114,
  0.24544866302890,
  0.24729141249740,
  0.24914046059007,
  0.25099577217522,
  0.25285731171763,
  0.25472504328019,
  0.25659893052556,
  0.25847893671788,
  0.26036502472451,
  0.26225715701781,
  0.26415529567692,
  0.26605940238966,
  0.26796943845439,
  0.26988536478190,
  0.27180714189742,
  0.27373472994256,
  0.27566808867736,
  0.27760717748238,
  0.27955195536071,
  0.28150238094021,
  0.28345841247557,
  0.28542000785059,
  0.28738712458038,
  0.28935971981364,
  0.29133775033492,
  0.29332117256704,
  0.29530994257338,
  0.29730401606034,
  0.29930334837974,
  0.30130789453132,
  0.30331760916521,
  0.30533244658452,
  0.30735236074785,
  0.30937730527195,
  0.31140723343430,
  0.31344209817583,
  0.31548185210356,
  0.31752644749341,
  0.31957583629288,
  0.32162997012390,
  0.32368880028565,
  0.32575227775738,
  0.32782035320134,
  0.32989297696566,
  0.33197009908736,
  0.33405166929523,
  0.33613763701295,
  0.33822795136203,
  0.34032256116495,
  0.34242141494820,
  0.34452446094547,
  0.34663164710072,
  0.34874292107143,
  0.35085823023181,
  0.35297752167598,
  0.35510074222129,
  0.35722783841160,
  0.35935875652060,
  0.36149344255514,
  0.36363184225864,
  0.36577390111444,
  0.36791956434930,
  0.37006877693676,
  0.37222148360070,
  0.37437762881878,
  0.37653715682603,
  0.37870001161834,
  0.38086613695607,
  0.38303547636766,
  0.38520797315322,
  0.38738357038821,
  0.38956221092708,
  0.39174383740701,
  0.39392839225157,
  0.39611581767449,
  0.39830605568342,
  0.40049904808370,
  0.40269473648218,
  0.40489306229101,
  0.40709396673153,
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  0.41371156127524,
  0.41592218877472,
  0.41813509828594,
  0.42035022996702,
  0.42256752381274,
  0.42478691965848,
  0.42700835718423,
  0.42923177591866,
  0.43145711524314,
  0.43368431439580,
  0.43591331247564,
  0.43814404844658,
  0.44037646114161,
  0.44261048926688,
  0.44484607140589,
  0.44708314602359,
  0.44932165147057,
  0.45156152598727,
  0.45380270770813,
  0.45604513466581,
  0.45828874479543,
  0.46053347593880,
  0.46277926584861,
  0.46502605219277,
  0.46727377255861,
  0.46952236445718,
  0.47177176532752,
  0.47402191254100,
  0.47627274340557,
  0.47852419517009,
  0.48077620502869,
  0.48302871012505,
  0.48528164755674,
  0.48753495437962,
  0.48978856761212,
  0.49204242423966,
  0.49429646121898,
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  0.50105902349665,
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  0.51007447028990,
  0.51232767852971,
  0.51458049916433,
  0.51683286910489,
  0.51908472528213,
  0.52133600465083,
  0.52358664419420,
  0.52583658092832,
  0.52808575190648,
  0.53033409422367,
  0.53258154502092,
  0.53482804148974,
  0.53707352087652,
  0.53931792048690,
  0.54156117769021,
  0.54380322992385,
  0.54604401469766,
  0.54828346959835,
  0.55052153229384,
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  0.55499323217338,
  0.55722674513883,
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