filters.h

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// -----------------------------------------------------------------------------
//    ASPiK FX Objects File:  filters.h
//
// -----------------------------------------------------------------------------
 
#pragma once
 
#ifndef __filters_h__
#define  __filters_h__
 
 
// -------------------------------------------------------------- //
//
// ----------- 128 POINT FIR LPF h[n] arrays -------------------- //
//
// -------------------------------------------------------------- //
 
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 88200 Hz
 
    * 0 Hz - 20000 Hz
    gain = 1
    desired ripple = 0.1 dB
    actual ripple = 0.4398351975248113 dB
 
    * 22000 Hz - 44100 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -80.48916687834947 dB
 
*/
 
#define FILTER_TAP_128 128
 
static double LPF128_882[FILTER_TAP_128] = {
    0.00012024986120403753,
    -0.00041598786406509203,
    -0.0024064729634507035,
    -0.005018087550467915,
    -0.005431276749842713,
    -0.002152073752549883,
    0.001940246252242638,
    0.002395032917651927,
    -0.000659309981389897,
    -0.0022888892556412205,
    -0.00003256426705732894,
    0.0022151438657597535,
    0.0005665893486310846,
    -0.002172489875015203,
    -0.0010980135236684577,
    0.002103103384802221,
    0.001678722621594584,
    -0.0019450822006069563,
    -0.002309031997596689,
    0.0016467876175448976,
    0.0029586334625113105,
    -0.0011763621368762482,
    -0.003586344161161704,
    0.0005173054166093583,
    0.004150244197564707,
    0.0003444966673852963,
    -0.004596253094071619,
    -0.001412373529179711,
    0.00485539289695875,
    0.0026593598972319394,
    -0.004873207709408339,
    -0.0040510909258555435,
    0.004604772428316333,
    0.0055639153228764955,
    -0.003970559437276605,
    -0.007113728740081288,
    0.0029478541407598996,
    0.008656404590926979,
    -0.0014698245557513087,
    -0.010091521384234442,
    -0.0004891637415687574,
    0.011331322604721935,
    0.0029652622733312792,
    -0.01226665251455692,
    -0.0059887498859519306,
    0.012774907606200495,
    0.009596125024225848,
    -0.012710795599953483,
    -0.013840897404147552,
    0.011893964750719944,
    0.01882007929602108,
    -0.010077972978660478,
    -0.024725920861240074,
    0.0068775965519342185,
    0.03195679102946024,
    -0.0015979539721411179,
    -0.04140771391073218,
    -0.007260858350669157,
    0.055393382567821094,
    0.02383303726666058,
    -0.08170740973657127,
    -0.06548094559144804,
    0.17015291679983868,
    0.42764916934830044,
    0.42764916934830044,
    0.17015291679983868,
    -0.06548094559144804,
    -0.08170740973657127,
    0.02383303726666058,
    0.055393382567821094,
    -0.007260858350669157,
    -0.04140771391073218,
    -0.0015979539721411179,
    0.03195679102946024,
    0.0068775965519342185,
    -0.024725920861240074,
    -0.010077972978660478,
    0.01882007929602108,
    0.011893964750719944,
    -0.013840897404147552,
    -0.012710795599953483,
    0.009596125024225848,
    0.012774907606200495,
    -0.0059887498859519306,
    -0.01226665251455692,
    0.0029652622733312792,
    0.011331322604721935,
    -0.0004891637415687574,
    -0.010091521384234442,
    -0.0014698245557513087,
    0.008656404590926979,
    0.0029478541407598996,
    -0.007113728740081288,
    -0.003970559437276605,
    0.0055639153228764955,
    0.004604772428316333,
    -0.0040510909258555435,
    -0.004873207709408339,
    0.0026593598972319394,
    0.00485539289695875,
    -0.001412373529179711,
    -0.004596253094071619,
    0.0003444966673852963,
    0.004150244197564707,
    0.0005173054166093583,
    -0.003586344161161704,
    -0.0011763621368762482,
    0.0029586334625113105,
    0.0016467876175448976,
    -0.002309031997596689,
    -0.0019450822006069563,
    0.001678722621594584,
    0.002103103384802221,
    -0.0010980135236684577,
    -0.002172489875015203,
    0.0005665893486310846,
    0.0022151438657597535,
    -0.00003256426705732894,
    -0.0022888892556412205,
    -0.000659309981389897,
    0.002395032917651927,
    0.001940246252242638,
    -0.002152073752549883,
    -0.005431276749842713,
    -0.005018087550467915,
    -0.0024064729634507035,
    -0.00041598786406509203,
    0.00012024986120403753
};
 
 
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 176400 Hz
 
    * 0 Hz - 20000 Hz
    gain = 1
    desired ripple = 1 dB
    actual ripple = 2.3502989325721977 dB
 
    * 22000 Hz - 88200 Hz
    gain = 0
    desired attenuation = -60 dB
    actual attenuation = -50.149608858658695 dB
 
*/
 
static double LPF128_1764[FILTER_TAP_128] = {
    -0.002175662435547232,
    -0.006858518933159237,
    -0.009752381344892615,
    -0.014138222268797226,
    -0.015773464464344095,
    -0.01511939669317604,
    -0.01116972109576238,
    -0.005200738261182446,
    0.0012395101820104806,
    0.005994501000819527,
    0.007604741194878367,
    0.0057242807391387,
    0.0014408167105611088,
    -0.003197278913125525,
    -0.006033015371588022,
    -0.005782229911347182,
    -0.002629249800867599,
    0.0018357422528087052,
    0.005368218290769121,
    0.0061567517824860285,
    0.0037403575093402403,
    -0.0007164021063775948,
    -0.004958216237456119,
    -0.00675044257010488,
    -0.005035850678708287,
    -0.000545915029353793,
    0.004492058581951597,
    0.007428173108399192,
    0.006571945023197714,
    0.0021304657693493488,
    -0.003765193678518094,
    -0.008063502954421736,
    -0.00834419735425321,
    -0.004149380076629707,
    0.00262063999906454,
    0.008534416705260284,
    0.010337571417784285,
    0.00669978082768265,
    -0.0009041256438835939,
    -0.008735832822929583,
    -0.012583081060517361,
    -0.009963852334924632,
    -0.0016280049416074185,
    0.008514254499459943,
    0.01515311988198953,
    0.014264255383962298,
    0.005411427765579305,
    -0.00759206156978899,
    -0.018191455310938007,
    -0.020225717349635262,
    -0.011266763840090085,
    0.005536864140935095,
    0.022270511414918752,
    0.02963508300547073,
    0.02157314145397513,
    -0.0009675163480230595,
    -0.029077707166324566,
    -0.048551204386489244,
    -0.045389884907673574,
    -0.011994969740532713,
    0.04862273931548844,
    0.12261303466652133,
    0.18944689432572856,
    0.2290325679090546,
    0.2290325679090546,
    0.18944689432572856,
    0.12261303466652133,
    0.04862273931548844,
    -0.011994969740532713,
    -0.045389884907673574,
    -0.048551204386489244,
    -0.029077707166324566,
    -0.0009675163480230595,
    0.02157314145397513,
    0.02963508300547073,
    0.022270511414918752,
    0.005536864140935095,
    -0.011266763840090085,
    -0.020225717349635262,
    -0.018191455310938007,
    -0.00759206156978899,
    0.005411427765579305,
    0.014264255383962298,
    0.01515311988198953,
    0.008514254499459943,
    -0.0016280049416074185,
    -0.009963852334924632,
    -0.012583081060517361,
    -0.008735832822929583,
    -0.0009041256438835939,
    0.00669978082768265,
    0.010337571417784285,
    0.008534416705260284,
    0.00262063999906454,
    -0.004149380076629707,
    -0.00834419735425321,
    -0.008063502954421736,
    -0.003765193678518094,
    0.0021304657693493488,
    0.006571945023197714,
    0.007428173108399192,
    0.004492058581951597,
    -0.000545915029353793,
    -0.005035850678708287,
    -0.00675044257010488,
    -0.004958216237456119,
    -0.0007164021063775948,
    0.0037403575093402403,
    0.0061567517824860285,
    0.005368218290769121,
    0.0018357422528087052,
    -0.002629249800867599,
    -0.005782229911347182,
    -0.006033015371588022,
    -0.003197278913125525,
    0.0014408167105611088,
    0.0057242807391387,
    0.007604741194878367,
    0.005994501000819527,
    0.0012395101820104806,
    -0.005200738261182446,
    -0.01116972109576238,
    -0.01511939669317604,
    -0.015773464464344095,
    -0.014138222268797226,
    -0.009752381344892615,
    -0.006858518933159237,
    -0.002175662435547232
};
 
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
sampling frequency: 96000 Hz
 
    * 0 Hz - 20000 Hz
    gain = 1
    desired ripple = 0.1 dB
    actual ripple = 0.618308828743376 dB
 
    * 22000 Hz - 48000 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -77.53266858200129 dB
 
*/
 
static double LPF128_96[FILTER_TAP_128] = {
    -0.0007206787440354049,
    -0.00297491496154281,
    -0.00593359240335764,
    -0.007159412240511658,
    -0.004468920371969045,
    0.0005905634921195081,
    0.0035932377691658786,
    0.001850120256455803,
    -0.0018914114146610925,
    -0.00265532995754146,
    0.00039447211769814934,
    0.0027430497917520654,
    0.0009285647318930798,
    -0.002360464597561603,
    -0.0020746973364432694,
    0.0015267097389175084,
    0.002943197664719215,
    -0.000271786275631612,
    -0.003337203896024264,
    -0.0012730967633506412,
    0.0030740600572981055,
    0.0028518576605431403,
    -0.0020611493511924653,
    -0.004134407396742443,
    0.0003417580070256949,
    0.004754683924990473,
    0.0018531085229402174,
    -0.004423058583662926,
    -0.0041386386248203405,
    0.002988655903593804,
    0.006012241796238224,
    -0.0005214819251205882,
    -0.00695217917140762,
    -0.0026633057126738587,
    0.006524933871538482,
    0.0060204874350524235,
    -0.004494631584892723,
    -0.008835023127320311,
    0.0009286377544106858,
    0.010352754364358169,
    0.0037691662887745143,
    -0.009916866119575422,
    -0.008871991497847122,
    0.007104855933293723,
    0.013392520729659364,
    -0.0018543099444084468,
    -0.016201158476673642,
    -0.005451878872712355,
    0.01617953274610696,
    0.01395895521202477,
    -0.012378928041386784,
    -0.0223752403059382,
    0.004142785257933808,
    0.029078608270698872,
    0.00897031964685647,
    -0.032034170388720674,
    -0.027343626633911527,
    0.02859807399366758,
    0.05236723111019177,
    -0.013778811176181729,
    -0.09052417268739903,
    -0.03012034607950883,
    0.19019813562912175,
    0.39837475758572166,
    0.39837475758572166,
    0.19019813562912175,
    -0.03012034607950883,
    -0.09052417268739903,
    -0.013778811176181729,
    0.05236723111019177,
    0.02859807399366758,
    -0.027343626633911527,
    -0.032034170388720674,
    0.00897031964685647,
    0.029078608270698872,
    0.004142785257933808,
    -0.0223752403059382,
    -0.012378928041386784,
    0.01395895521202477,
    0.01617953274610696,
    -0.005451878872712355,
    -0.016201158476673642,
    -0.0018543099444084468,
    0.013392520729659364,
    0.007104855933293723,
    -0.008871991497847122,
    -0.009916866119575422,
    0.0037691662887745143,
    0.010352754364358169,
    0.0009286377544106858,
    -0.008835023127320311,
    -0.004494631584892723,
    0.0060204874350524235,
    0.006524933871538482,
    -0.0026633057126738587,
    -0.00695217917140762,
    -0.0005214819251205882,
    0.006012241796238224,
    0.002988655903593804,
    -0.0041386386248203405,
    -0.004423058583662926,
    0.0018531085229402174,
    0.004754683924990473,
    0.0003417580070256949,
    -0.004134407396742443,
    -0.0020611493511924653,
    0.0028518576605431403,
    0.0030740600572981055,
    -0.0012730967633506412,
    -0.003337203896024264,
    -0.000271786275631612,
    0.002943197664719215,
    0.0015267097389175084,
    -0.0020746973364432694,
    -0.002360464597561603,
    0.0009285647318930798,
    0.0027430497917520654,
    0.00039447211769814934,
    -0.00265532995754146,
    -0.0018914114146610925,
    0.001850120256455803,
    0.0035932377691658786,
    0.0005905634921195081,
    -0.004468920371969045,
    -0.007159412240511658,
    -0.00593359240335764,
    -0.00297491496154281,
    -0.0007206787440354049
};
 
 
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 192000 Hz
 
    * 0 Hz - 20000 Hz
    gain = 1
    desired ripple = 1 dB
    actual ripple = 2.9319067508075913 dB
 
    * 22000 Hz - 96000 Hz
    gain = 0
    desired attenuation = -60 dB
    actual attenuation = -48.258224000499524 dB
 
*/
 
static double LPF128_192[FILTER_TAP_128] = {
    0.004024616819676441,
    0.0052376828706952065,
    0.006879185383977035,
    0.007122153014461529,
    0.00526063336942594,
    0.0011129697325733474,
    -0.004773016670782165,
    -0.011156284715139237,
    -0.016416602054349604,
    -0.019063608704015023,
    -0.018272462866612743,
    -0.0142407461950991,
    -0.008203591689121681,
    -0.0020607553730438667,
    0.0022693395504621663,
    0.003546538863856691,
    0.001678248601892756,
    -0.002233574441248467,
    -0.00631079825879505,
    -0.008644955567869098,
    -0.00807215211394342,
    -0.004672675980128931,
    0.00023765804888272978,
    0.00463575954810573,
    0.00664310007716612,
    0.005348640055234384,
    0.0012491985578107255,
    -0.0039007781839502697,
    -0.007797704400215279,
    -0.008578203886734602,
    -0.005675976159612197,
    -0.0001462432603704731,
    0.00569946496800254,
    0.009251881203982957,
    0.008745955809819976,
    0.004119704500272581,
    -0.0028277300577011634,
    -0.009104988134163211,
    -0.011779116692236209,
    -0.00930305261946106,
    -0.0023305327411863607,
    0.006376964711162604,
    0.012996616243638627,
    0.01427288455809857,
    0.009043622502285855,
    -0.0010214622172334922,
    -0.011849254098090675,
    -0.018524179864032077,
    -0.01740663786980417,
    -0.007908242996663178,
    0.006805517734483395,
    0.020719763969558925,
    0.027188886625382575,
    0.021776892449588393,
    0.004568524909324283,
    -0.01903223815088038,
    -0.039523166148868145,
    -0.04629355863306152,
    -0.03142678534826223,
    0.007032471478415514,
    0.06359982169306669,
    0.12633376376935368,
    0.18009785022906943,
    0.21107992604594752,
    0.21107992604594752,
    0.18009785022906943,
    0.12633376376935368,
    0.06359982169306669,
    0.007032471478415514,
    -0.03142678534826223,
    -0.04629355863306152,
    -0.039523166148868145,
    -0.01903223815088038,
    0.004568524909324283,
    0.021776892449588393,
    0.027188886625382575,
    0.020719763969558925,
    0.006805517734483395,
    -0.007908242996663178,
    -0.01740663786980417,
    -0.018524179864032077,
    -0.011849254098090675,
    -0.0010214622172334922,
    0.009043622502285855,
    0.01427288455809857,
    0.012996616243638627,
    0.006376964711162604,
    -0.0023305327411863607,
    -0.00930305261946106,
    -0.011779116692236209,
    -0.009104988134163211,
    -0.0028277300577011634,
    0.004119704500272581,
    0.008745955809819976,
    0.009251881203982957,
    0.00569946496800254,
    -0.0001462432603704731,
    -0.005675976159612197,
    -0.008578203886734602,
    -0.007797704400215279,
    -0.0039007781839502697,
    0.0012491985578107255,
    0.005348640055234384,
    0.00664310007716612,
    0.00463575954810573,
    0.00023765804888272978,
    -0.004672675980128931,
    -0.00807215211394342,
    -0.008644955567869098,
    -0.00631079825879505,
    -0.002233574441248467,
    0.001678248601892756,
    0.003546538863856691,
    0.0022693395504621663,
    -0.0020607553730438667,
    -0.008203591689121681,
    -0.0142407461950991,
    -0.018272462866612743,
    -0.019063608704015023,
    -0.016416602054349604,
    -0.011156284715139237,
    -0.004773016670782165,
    0.0011129697325733474,
    0.00526063336942594,
    0.007122153014461529,
    0.006879185383977035,
    0.0052376828706952065,
    0.004024616819676441
};
 
 
// -------------------------------------------------------------- //
//
// ----------- 256 POINT FIR LPF h[n] arrays -------------------- //
//
// -------------------------------------------------------------- //
 
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 88200 Hz
 
    * 0 Hz - 20000 Hz
    gain = 1
    desired ripple = 0.1 dB
    actual ripple = 0.004155001042074633 dB
 
    * 22000 Hz - 44100 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -87.5773925743401 dB
 
*/
 
#define FILTER_TAP_256 256
 
static double LPF256_882[FILTER_TAP_256] = {
    -1.3532644015638956e-7,
    -4.778481367601246e-7,
    -4.489483718602042e-7,
    4.5529479277548965e-7,
    8.646112456274629e-7,
    -9.089369826295025e-7,
    -0.0000024705887838880236,
    2.443544490556851e-7,
    0.000003913631205340619,
    4.42314815926701e-7,
    -0.000006601811383004037,
    -0.0000030878542587921503,
    0.000008716605779285542,
    0.000006486846965473418,
    -0.000011458940930416692,
    -0.000012621563059281724,
    0.000012562985430968719,
    0.00002003560472459619,
    -0.000012937669510748606,
    -0.000030459524691940314,
    0.000009956503165111653,
    0.00004196447646456422,
    -0.000004317672658257961,
    -0.00005573195574129031,
    -0.000006722208690099998,
    0.00006915688366163113,
    0.00002238745436570749,
    -0.00008270559982587437,
    -0.00004515560895300436,
    0.0000930547272775857,
    0.00007379796172805357,
    -0.00009995274636987168,
    -0.00011008061590365805,
    0.00009947753864450962,
    0.00015185789422943226,
    -0.000090919145929301,
    -0.00019975364738926898,
    0.00007014015935361462,
    0.0002503355136309377,
    -0.00003646364679427579,
    -0.000302784434393394,
    -0.000013843680854998197,
    0.0003522170219500604,
    0.0000807375714259726,
    -0.00039633211555845327,
    -0.0001667836451875273,
    0.000428924856565385,
    0.000270415916542105,
    -0.0004465327659466903,
    -0.00039224304187122466,
    0.00044214200568939586,
    0.0005284337237985741,
    -0.00041183779425154856,
    -0.0006769801167172676,
    0.0003487108901487438,
    0.0008312733554744141,
    -0.0002494864869108733,
    -0.0009863739889987154,
    0.00010858611800668753,
    0.001132793023752549,
    0.00007527166936974,
    -0.0012628405003114983,
    -0.0003049358178693702,
    0.0013646073989668783,
    0.0005782758515825706,
    -0.0014284359675415818,
    -0.0008940542378506149,
    0.0014410980959808394,
    0.0012454943521659476,
    -0.001392382437715597,
    -0.0016262298965392479,
    0.001269452356337554,
    0.0020240697627921136,
    -0.0010634911548838256,
    -0.0024270692491421535,
    0.0007641900551661004,
    0.0028175364444512135,
    -0.00036639131494531726,
    -0.0031782569326488175,
    -0.0001353451479385886,
    0.003486810156559653,
    0.0007402500113571831,
    -0.0037218805582184948,
    -0.0014467338985943378,
    0.0038578910741600696,
    0.0022461392630200717,
    -0.003871363927021166,
    -0.0031281859124582373,
    0.0037357721605444046,
    0.004075014710177782,
    -0.003427846246776341,
    -0.005066720619015387,
    0.002922513868732491,
    0.006075687070422893,
    -0.002199006944866883,
    -0.007072202348903971,
    0.001235642682687503,
    0.008018946226692785,
    -0.000015511843854309205,
    -0.008876543717995868,
    -0.0014792660141275307,
    0.00959786388458411,
    0.0032626798295654646,
    -0.010133069460104144,
    -0.005351794050631381,
    0.010422897373753676,
    0.007763712482207026,
    -0.010401857229536172,
    -0.010525421545781621,
    0.009988224032865563,
    0.01367569121945997,
    -0.009081042137776812,
    -0.017283709241056593,
    0.007538226210571958,
    0.02146815803394855,
    -0.0051489604455709215,
    -0.026452407775092904,
    0.0015563342120252846,
    0.0326708045356388,
    0.003911824719707784,
    -0.04106308816008584,
    -0.012746148674673476,
    0.05398670707232886,
    0.02907697204443692,
    -0.07928221410451805,
    -0.07027426789892402,
    0.1668000592090343,
    0.431806206721082,
    0.431806206721082,
    0.1668000592090343,
    -0.07027426789892402,
    -0.07928221410451805,
    0.02907697204443692,
    0.05398670707232886,
    -0.012746148674673476,
    -0.04106308816008584,
    0.003911824719707784,
    0.0326708045356388,
    0.0015563342120252846,
    -0.026452407775092904,
    -0.0051489604455709215,
    0.02146815803394855,
    0.007538226210571958,
    -0.017283709241056593,
    -0.009081042137776812,
    0.01367569121945997,
    0.009988224032865563,
    -0.010525421545781621,
    -0.010401857229536172,
    0.007763712482207026,
    0.010422897373753676,
    -0.005351794050631381,
    -0.010133069460104144,
    0.0032626798295654646,
    0.00959786388458411,
    -0.0014792660141275307,
    -0.008876543717995868,
    -0.000015511843854309205,
    0.008018946226692785,
    0.001235642682687503,
    -0.007072202348903971,
    -0.002199006944866883,
    0.006075687070422893,
    0.002922513868732491,
    -0.005066720619015387,
    -0.003427846246776341,
    0.004075014710177782,
    0.0037357721605444046,
    -0.0031281859124582373,
    -0.003871363927021166,
    0.0022461392630200717,
    0.0038578910741600696,
    -0.0014467338985943378,
    -0.0037218805582184948,
    0.0007402500113571831,
    0.003486810156559653,
    -0.0001353451479385886,
    -0.0031782569326488175,
    -0.00036639131494531726,
    0.0028175364444512135,
    0.0007641900551661004,
    -0.0024270692491421535,
    -0.0010634911548838256,
    0.0020240697627921136,
    0.001269452356337554,
    -0.0016262298965392479,
    -0.001392382437715597,
    0.0012454943521659476,
    0.0014410980959808394,
    -0.0008940542378506149,
    -0.0014284359675415818,
    0.0005782758515825706,
    0.0013646073989668783,
    -0.0003049358178693702,
    -0.0012628405003114983,
    0.00007527166936974,
    0.001132793023752549,
    0.00010858611800668753,
    -0.0009863739889987154,
    -0.0002494864869108733,
    0.0008312733554744141,
    0.0003487108901487438,
    -0.0006769801167172676,
    -0.00041183779425154856,
    0.0005284337237985741,
    0.00044214200568939586,
    -0.00039224304187122466,
    -0.0004465327659466903,
    0.000270415916542105,
    0.000428924856565385,
    -0.0001667836451875273,
    -0.00039633211555845327,
    0.0000807375714259726,
    0.0003522170219500604,
    -0.000013843680854998197,
    -0.000302784434393394,
    -0.00003646364679427579,
    0.0002503355136309377,
    0.00007014015935361462,
    -0.00019975364738926898,
    -0.000090919145929301,
    0.00015185789422943226,
    0.00009947753864450962,
    -0.00011008061590365805,
    -0.00009995274636987168,
    0.00007379796172805357,
    0.0000930547272775857,
    -0.00004515560895300436,
    -0.00008270559982587437,
    0.00002238745436570749,
    0.00006915688366163113,
    -0.000006722208690099998,
    -0.00005573195574129031,
    -0.000004317672658257961,
    0.00004196447646456422,
    0.000009956503165111653,
    -0.000030459524691940314,
    -0.000012937669510748606,
    0.00002003560472459619,
    0.000012562985430968719,
    -0.000012621563059281724,
    -0.000011458940930416692,
    0.000006486846965473418,
    0.000008716605779285542,
    -0.0000030878542587921503,
    -0.000006601811383004037,
    4.42314815926701e-7,
    0.000003913631205340619,
    2.443544490556851e-7,
    -0.0000024705887838880236,
    -9.089369826295025e-7,
    8.646112456274629e-7,
    4.5529479277548965e-7,
    -4.489483718602042e-7,
    -4.778481367601246e-7,
    -1.3532644015638956e-7
};
 
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 176400 Hz
 
    * 0 Hz - 20000 Hz
    gain = 1
    desired ripple = 0.1 dB
    actual ripple = 0.4397945862807162 dB
 
    * 22000 Hz - 88200 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -80.48996856582946 dB
 
*/
 
static double LPF256_1764[FILTER_TAP_256] = {
    0.00008519033090792867,
    0.000055071219150668846,
    -0.00006170705201899551,
    -0.00035842912492277786,
    -0.0008627875385443189,
    -0.0015269165162795468,
    -0.002214059828508227,
    -0.0027233302907583522,
    -0.0028529577988915798,
    -0.0024828386040230983,
    -0.0016426213642379449,
    -0.0005302449866934919,
    0.0005379990447708736,
    0.0012360277740973435,
    0.0013558940018564753,
    0.0009003993748685194,
    0.00009443967894176847,
    -0.000698975928831897,
    -0.0011290073650185842,
    -0.0010103568442006432,
    -0.0004092050176530516,
    0.00038285885058831915,
    0.000981345502757301,
    0.0010905896648712957,
    0.0006496134323851824,
    -0.00013086153132404232,
    -0.0008639751599773103,
    -0.0011741998752184866,
    -0.0008875272524536839,
    -0.0001285335407353599,
    0.0007298689685610131,
    0.0012463469269862041,
    0.0011355807325968475,
    0.0004240645470397816,
    -0.0005471710125198164,
    -0.001283121863901997,
    -0.0013847394507074309,
    -0.0007631591597413879,
    0.0002958892682132586,
    0.0012601654145374416,
    0.0016161124099234121,
    0.0011402020920832426,
    0.00003405374686932656,
    -0.0011561279840057045,
    -0.0018068186648622113,
    -0.0015416331810458716,
    -0.00044525971333811274,
    0.0009529967710907075,
    0.001931845193925759,
    0.0019477513522486382,
    0.0009336124207489755,
    -0.0006363828133875369,
    -0.0019645814644117083,
    -0.0023325587989280485,
    -0.0014868470820079463,
    0.00019818921596513074,
    0.001880164547742121,
    0.0026668718561456933,
    0.002086474665607893,
    0.00036375890536112325,
    -0.0016564214228576345,
    -0.0029197210535117303,
    -0.0027092660899822253,
    -0.0010471373159875283,
    0.0012720854081721094,
    0.0030561987835527053,
    0.0033244705576725548,
    0.0018418437893956343,
    -0.0007103263378260695,
    -0.0030402225692501388,
    -0.0038949112581760695,
    -0.00272908008431711,
    -0.00003881455303468366,
    0.002837907501041027,
    0.004380942062900921,
    0.0036855595240295486,
    0.000982407881660968,
    -0.002414035722147609,
    -0.004737087283895212,
    -0.004680081549981107,
    -0.0021215684519387255,
    0.0017342298378318537,
    0.004913643133656148,
    0.005675330276755671,
    0.0034535667630623545,
    -0.0007627235928184202,
    -0.0048539727663124855,
    -0.006624476300895618,
    -0.004968274805444369,
    -0.0005337342765352638,
    0.0045007253315102955,
    0.007481839162663078,
    0.00666409581800762,
    0.0022070285825385285,
    -0.0037705706214211715,
    -0.008176358486581712,
    -0.008522819811216218,
    -0.004303308251833182,
    0.002581702588889898,
    0.00864722491385848,
    0.010557003046331295,
    0.00692076850316838,
    -0.0007950292637050243,
    -0.00879850495356995,
    -0.01279030918874689,
    -0.010216678385537014,
    -0.0018053745329341734,
    0.008495362425424716,
    0.01529568450266845,
    0.014492924072183729,
    0.005611089097546734,
    -0.007518950104372401,
    -0.018276709099188316,
    -0.02042511814807365,
    -0.011486527015164533,
    0.0053973202073596075,
    0.022268086626605444,
    0.029759902215111135,
    0.021758915822771813,
    -0.0008112095782098994,
    -0.02902292317513846,
    -0.048620434271106294,
    -0.045549855197030704,
    -0.012173421098463444,
    0.048504224096034214,
    0.12260514413249571,
    0.189554028140841,
    0.22921265865333088,
    0.22921265865333088,
    0.189554028140841,
    0.12260514413249571,
    0.048504224096034214,
    -0.012173421098463444,
    -0.045549855197030704,
    -0.048620434271106294,
    -0.02902292317513846,
    -0.0008112095782098994,
    0.021758915822771813,
    0.029759902215111135,
    0.022268086626605444,
    0.0053973202073596075,
    -0.011486527015164533,
    -0.02042511814807365,
    -0.018276709099188316,
    -0.007518950104372401,
    0.005611089097546734,
    0.014492924072183729,
    0.01529568450266845,
    0.008495362425424716,
    -0.0018053745329341734,
    -0.010216678385537014,
    -0.01279030918874689,
    -0.00879850495356995,
    -0.0007950292637050243,
    0.00692076850316838,
    0.010557003046331295,
    0.00864722491385848,
    0.002581702588889898,
    -0.004303308251833182,
    -0.008522819811216218,
    -0.008176358486581712,
    -0.0037705706214211715,
    0.0022070285825385285,
    0.00666409581800762,
    0.007481839162663078,
    0.0045007253315102955,
    -0.0005337342765352638,
    -0.004968274805444369,
    -0.006624476300895618,
    -0.0048539727663124855,
    -0.0007627235928184202,
    0.0034535667630623545,
    0.005675330276755671,
    0.004913643133656148,
    0.0017342298378318537,
    -0.0021215684519387255,
    -0.004680081549981107,
    -0.004737087283895212,
    -0.002414035722147609,
    0.000982407881660968,
    0.0036855595240295486,
    0.004380942062900921,
    0.002837907501041027,
    -0.00003881455303468366,
    -0.00272908008431711,
    -0.0038949112581760695,
    -0.0030402225692501388,
    -0.0007103263378260695,
    0.0018418437893956343,
    0.0033244705576725548,
    0.0030561987835527053,
    0.0012720854081721094,
    -0.0010471373159875283,
    -0.0027092660899822253,
    -0.0029197210535117303,
    -0.0016564214228576345,
    0.00036375890536112325,
    0.002086474665607893,
    0.0026668718561456933,
    0.001880164547742121,
    0.00019818921596513074,
    -0.0014868470820079463,
    -0.0023325587989280485,
    -0.0019645814644117083,
    -0.0006363828133875369,
    0.0009336124207489755,
    0.0019477513522486382,
    0.001931845193925759,
    0.0009529967710907075,
    -0.00044525971333811274,
    -0.0015416331810458716,
    -0.0018068186648622113,
    -0.0011561279840057045,
    0.00003405374686932656,
    0.0011402020920832426,
    0.0016161124099234121,
    0.0012601654145374416,
    0.0002958892682132586,
    -0.0007631591597413879,
    -0.0013847394507074309,
    -0.001283121863901997,
    -0.0005471710125198164,
    0.0004240645470397816,
    0.0011355807325968475,
    0.0012463469269862041,
    0.0007298689685610131,
    -0.0001285335407353599,
    -0.0008875272524536839,
    -0.0011741998752184866,
    -0.0008639751599773103,
    -0.00013086153132404232,
    0.0006496134323851824,
    0.0010905896648712957,
    0.000981345502757301,
    0.00038285885058831915,
    -0.0004092050176530516,
    -0.0010103568442006432,
    -0.0011290073650185842,
    -0.000698975928831897,
    0.00009443967894176847,
    0.0009003993748685194,
    0.0013558940018564753,
    0.0012360277740973435,
    0.0005379990447708736,
    -0.0005302449866934919,
    -0.0016426213642379449,
    -0.0024828386040230983,
    -0.0028529577988915798,
    -0.0027233302907583522,
    -0.002214059828508227,
    -0.0015269165162795468,
    -0.0008627875385443189,
    -0.00035842912492277786,
    -0.00006170705201899551,
    0.000055071219150668846,
    0.00008519033090792867
};
 
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 96000 Hz
 
    * 0 Hz - 20000 Hz
    gain = 1
    desired ripple = 0.1 dB
    actual ripple = 0.007636057437196765 dB
 
    * 22000 Hz - 48000 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -115.69572757026249 dB
 
*/
 
static double LPF256_96[FILTER_TAP_256] = {
    -0.000012689021037411505,
    -0.000047323138261825614,
    -0.0000874192671730249,
    -0.00009071112030150734,
    -0.00003410425937912534,
    0.000038510773644612534,
    0.00005185070978377565,
    -0.000006894044470855798,
    -0.00005547182694777294,
    -0.000021110525355429637,
    0.00005092426837046646,
    0.00004977161497062657,
    -0.00003343778865994385,
    -0.00007530368000516144,
    9.546014439822503e-7,
    0.00008898850425250284,
    0.000044038997864431615,
    -0.00008271622332045887,
    -0.00009327914889840165,
    0.000050593469395910536,
    0.00013479916001735918,
    0.000007403909211413365,
    -0.0001539394159889607,
    -0.000084245365131983,
    0.0001381461360388064,
    0.00016491342703339233,
    -0.00008034537606546195,
    -0.000229492198592949,
    -0.00001717074097615562,
    0.0002561951544092152,
    0.0001416263217586933,
    -0.00022700231934275555,
    -0.0002693974948042789,
    0.00013276744551780646,
    0.0003698001555543045,
    0.000021583389604728636,
    -0.00041053652434333435,
    -0.00021534497384266668,
    0.0003656416647401332,
    0.0004127329514220484,
    -0.00022289033365969907,
    -0.0005682412048638928,
    -0.000009545616686792609,
    0.0006349100866025744,
    0.0003006828067001068,
    -0.0005753493510404451,
    -0.0005985183524860086,
    0.00037219363171048746,
    0.0008375230524842533,
    -0.00003681340589973283,
    -0.0009503567860942413,
    -0.0003871760915475935,
    0.0008829883382891256,
    0.0008266687871369797,
    -0.0006094114371587188,
    -0.0011893838591478703,
    0.0001433718608481412,
    0.0013800832753230203,
    0.00045667449034123806,
    -0.0013209617720553917,
    -0.001091179855171699,
    0.0009718600791530667,
    0.0016330483056804443,
    -0.0003463346818955142,
    -0.0019493432107859608,
    -0.0004810056481466861,
    0.0019284464049877206,
    0.0013785442875499658,
    -0.0015075057927648563,
    -0.002174686910586513,
    0.0006947187746861772,
    0.002686135156565485,
    0.00041945037847127204,
    -0.0027536430856887526,
    -0.0016659111073459066,
    0.0022788873691456466,
    0.002817409665720864,
    -0.001255371679019216,
    -0.0036241889352349797,
    -0.00021412069188861844,
    0.003860246253163704,
    0.001918937378125474,
    -0.003372442624526207,
    -0.00356363043269839,
    0.0021234398488430657,
    0.004811396892702651,
    -0.00021896643342964674,
    -0.005342709314249121,
    -0.0020881074451197575,
    0.00491997455143087,
    0.004421176441766121,
    -0.003447024920470682,
    -0.00633024361992595,
    0.001011556646553184,
    0.007363878727402991,
    0.002099575192838172,
    -0.007152623594816701,
    -0.005418737971295051,
    0.005490585275261198,
    0.00835064049687984,
    -0.0024007637794515413,
    -0.010255430651703689,
    -0.001828849474318023,
    0.010551256638240719,
    0.00664759711746187,
    -0.008821573466098593,
    -0.011285974024192437,
    0.004910539508306661,
    0.014836877413118779,
    0.0010088546926278919,
    -0.01636273004936045,
    -0.008404929039785923,
    0.015010062001955314,
    0.016398640734885426,
    -0.010106649497469,
    -0.023806546033813998,
    0.0012081579753989327,
    0.029184620580214805,
    0.011958946012230054,
    -0.03079377358342052,
    -0.02978422017116759,
    0.02624628583496391,
    0.05374380752953855,
    -0.010806304558240094,
    -0.09056284641345487,
    -0.033114585139106346,
    0.18888562639465095,
    0.4007822335690454,
    0.4007822335690454,
    0.18888562639465095,
    -0.033114585139106346,
    -0.09056284641345487,
    -0.010806304558240094,
    0.05374380752953855,
    0.02624628583496391,
    -0.02978422017116759,
    -0.03079377358342052,
    0.011958946012230054,
    0.029184620580214805,
    0.0012081579753989327,
    -0.023806546033813998,
    -0.010106649497469,
    0.016398640734885426,
    0.015010062001955314,
    -0.008404929039785923,
    -0.01636273004936045,
    0.0010088546926278919,
    0.014836877413118779,
    0.004910539508306661,
    -0.011285974024192437,
    -0.008821573466098593,
    0.00664759711746187,
    0.010551256638240719,
    -0.001828849474318023,
    -0.010255430651703689,
    -0.0024007637794515413,
    0.00835064049687984,
    0.005490585275261198,
    -0.005418737971295051,
    -0.007152623594816701,
    0.002099575192838172,
    0.007363878727402991,
    0.001011556646553184,
    -0.00633024361992595,
    -0.003447024920470682,
    0.004421176441766121,
    0.00491997455143087,
    -0.0020881074451197575,
    -0.005342709314249121,
    -0.00021896643342964674,
    0.004811396892702651,
    0.0021234398488430657,
    -0.00356363043269839,
    -0.003372442624526207,
    0.001918937378125474,
    0.003860246253163704,
    -0.00021412069188861844,
    -0.0036241889352349797,
    -0.001255371679019216,
    0.002817409665720864,
    0.0022788873691456466,
    -0.0016659111073459066,
    -0.0027536430856887526,
    0.00041945037847127204,
    0.002686135156565485,
    0.0006947187746861772,
    -0.002174686910586513,
    -0.0015075057927648563,
    0.0013785442875499658,
    0.0019284464049877206,
    -0.0004810056481466861,
    -0.0019493432107859608,
    -0.0003463346818955142,
    0.0016330483056804443,
    0.0009718600791530667,
    -0.001091179855171699,
    -0.0013209617720553917,
    0.00045667449034123806,
    0.0013800832753230203,
    0.0001433718608481412,
    -0.0011893838591478703,
    -0.0006094114371587188,
    0.0008266687871369797,
    0.0008829883382891256,
    -0.0003871760915475935,
    -0.0009503567860942413,
    -0.00003681340589973283,
    0.0008375230524842533,
    0.00037219363171048746,
    -0.0005985183524860086,
    -0.0005753493510404451,
    0.0003006828067001068,
    0.0006349100866025744,
    -0.000009545616686792609,
    -0.0005682412048638928,
    -0.00022289033365969907,
    0.0004127329514220484,
    0.0003656416647401332,
    -0.00021534497384266668,
    -0.00041053652434333435,
    0.000021583389604728636,
    0.0003698001555543045,
    0.00013276744551780646,
    -0.0002693974948042789,
    -0.00022700231934275555,
    0.0001416263217586933,
    0.0002561951544092152,
    -0.00001717074097615562,
    -0.000229492198592949,
    -0.00008034537606546195,
    0.00016491342703339233,
    0.0001381461360388064,
    -0.000084245365131983,
    -0.0001539394159889607,
    0.000007403909211413365,
    0.00013479916001735918,
    0.000050593469395910536,
    -0.00009327914889840165,
    -0.00008271622332045887,
    0.000044038997864431615,
    0.00008898850425250284,
    9.546014439822503e-7,
    -0.00007530368000516144,
    -0.00003343778865994385,
    0.00004977161497062657,
    0.00005092426837046646,
    -0.000021110525355429637,
    -0.00005547182694777294,
    -0.000006894044470855798,
    0.00005185070978377565,
    0.000038510773644612534,
    -0.00003410425937912534,
    -0.00009071112030150734,
    -0.0000874192671730249,
    -0.000047323138261825614,
    -0.000012689021037411505
};
 
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 192000 Hz
 
    * 0 Hz - 20000 Hz
    gain = 1
    desired ripple = 0.1 dB
    actual ripple = 0.6145534582243266 dB
 
    * 22000 Hz - 96000 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -77.58553980653744 dB
 
*/
 
static double LPF256_192[FILTER_TAP_256] = {
    -0.00020550950977696016,
    -0.0005782291659135532,
    -0.0010983932516403473,
    -0.0018437115212335642,
    -0.002588460321745651,
    -0.0032510295020445395,
    -0.003560065932867868,
    -0.003424828469518149,
    -0.0027433333446253505,
    -0.0016504372952480038,
    -0.0003409354608796032,
    0.0008433142416708619,
    0.0016226231807938165,
    0.0017846718161288518,
    0.001336560339070561,
    0.00045370439585035757,
    -0.0005232111270540358,
    -0.0012441589539073105,
    -0.0014427351510568104,
    -0.0010633948799983867,
    -0.0002633112422429481,
    0.0006273300294782066,
    0.0012480415589991593,
    0.0013400924004628295,
    0.000864139658383905,
    0.000013227404467096469,
    -0.0008549445288520884,
    -0.0013694955071465538,
    -0.0012988159655092145,
    -0.0006579273430960248,
    0.0002922483221796136,
    0.0011458284801105026,
    0.0015246254110601331,
    0.0012425264893252434,
    0.0003968193431587274,
    -0.000663072753845278,
    -0.0014766653832796889,
    -0.0016713252385457682,
    -0.0011305516609580112,
    -0.000058984252379771605,
    0.0010927113501275497,
    0.0018150165871310146,
    0.001763646914842384,
    0.0009212883196359108,
    -0.0003770240157604198,
    -0.001574876618808401,
    -0.0021308891945313376,
    -0.0017616372688833441,
    -0.0005824679356298282,
    0.0009222424693464977,
    0.0020956085775786218,
    0.002393094044518951,
    0.0016328470476011348,
    0.0000974174935351104,
    -0.0015670554166828065,
    -0.0026204951007699692,
    -0.002555737882566063,
    -0.0013394210376813868,
    0.0005463613504420161,
    0.002291589257564807,
    0.0031039148305355975,
    0.0025657093147136894,
    0.0008431204760449887,
    -0.0013556378773637457,
    -0.003067944060217245,
    -0.0034953798776595152,
    -0.0023725265279428724,
    -0.00011672850330655248,
    0.0023205308306707313,
    0.0038514459544942013,
    0.0037336716651680327,
    0.0019249961225050664,
    -0.0008572186424916061,
    -0.0034147728938534825,
    -0.004580687927471812,
    -0.003746688893392467,
    -0.0011706997169091606,
    0.002088006525001223,
    0.004598562087501109,
    0.0051815730500487074,
    0.003456136744960588,
    0.00006051759491688906,
    -0.003573050467756683,
    -0.005815821708505998,
    -0.005565189354970123,
    -0.002775621140299108,
    0.0014532215400635223,
    0.0052992906911675545,
    0.0069941784110096605,
    0.005625313491962671,
    0.0016055342176236013,
    -0.003423376227721785,
    -0.007248544632981065,
    -0.008046173285383217,
    -0.0052337361169928895,
    0.00017669323332825836,
    0.005918843895189252,
    0.009403195365811214,
    0.008863379633396585,
    0.004220061271706842,
    -0.002747985754877498,
    -0.009056086445438462,
    -0.011762257284635437,
    -0.009302364029877608,
    -0.0023206125939999483,
    0.006418631559607882,
    0.013079379535990705,
    0.014383389206074985,
    0.009148328489635597,
    -0.0009554592809820885,
    -0.011843342478733506,
    -0.018578671115925396,
    -0.017491506994906498,
    -0.007988305991328236,
    0.006769634575631006,
    0.020744218718498783,
    0.027268025113487974,
    0.02188268964820689,
    0.0046631616848481485,
    -0.018981425017961722,
    -0.03953118047081118,
    -0.046353358395405754,
    -0.031513590415180974,
    0.006951767317350385,
    0.06355468525589227,
    0.12634066338000405,
    0.18015342152322267,
    0.21116471178592394,
    0.21116471178592394,
    0.18015342152322267,
    0.12634066338000405,
    0.06355468525589227,
    0.006951767317350385,
    -0.031513590415180974,
    -0.046353358395405754,
    -0.03953118047081118,
    -0.018981425017961722,
    0.0046631616848481485,
    0.02188268964820689,
    0.027268025113487974,
    0.020744218718498783,
    0.006769634575631006,
    -0.007988305991328236,
    -0.017491506994906498,
    -0.018578671115925396,
    -0.011843342478733506,
    -0.0009554592809820885,
    0.009148328489635597,
    0.014383389206074985,
    0.013079379535990705,
    0.006418631559607882,
    -0.0023206125939999483,
    -0.009302364029877608,
    -0.011762257284635437,
    -0.009056086445438462,
    -0.002747985754877498,
    0.004220061271706842,
    0.008863379633396585,
    0.009403195365811214,
    0.005918843895189252,
    0.00017669323332825836,
    -0.0052337361169928895,
    -0.008046173285383217,
    -0.007248544632981065,
    -0.003423376227721785,
    0.0016055342176236013,
    0.005625313491962671,
    0.0069941784110096605,
    0.0052992906911675545,
    0.0014532215400635223,
    -0.002775621140299108,
    -0.005565189354970123,
    -0.005815821708505998,
    -0.003573050467756683,
    0.00006051759491688906,
    0.003456136744960588,
    0.0051815730500487074,
    0.004598562087501109,
    0.002088006525001223,
    -0.0011706997169091606,
    -0.003746688893392467,
    -0.004580687927471812,
    -0.0034147728938534825,
    -0.0008572186424916061,
    0.0019249961225050664,
    0.0037336716651680327,
    0.0038514459544942013,
    0.0023205308306707313,
    -0.00011672850330655248,
    -0.0023725265279428724,
    -0.0034953798776595152,
    -0.003067944060217245,
    -0.0013556378773637457,
    0.0008431204760449887,
    0.0025657093147136894,
    0.0031039148305355975,
    0.002291589257564807,
    0.0005463613504420161,
    -0.0013394210376813868,
    -0.002555737882566063,
    -0.0026204951007699692,
    -0.0015670554166828065,
    0.0000974174935351104,
    0.0016328470476011348,
    0.002393094044518951,
    0.0020956085775786218,
    0.0009222424693464977,
    -0.0005824679356298282,
    -0.0017616372688833441,
    -0.0021308891945313376,
    -0.001574876618808401,
    -0.0003770240157604198,
    0.0009212883196359108,
    0.001763646914842384,
    0.0018150165871310146,
    0.0010927113501275497,
    -0.000058984252379771605,
    -0.0011305516609580112,
    -0.0016713252385457682,
    -0.0014766653832796889,
    -0.000663072753845278,
    0.0003968193431587274,
    0.0012425264893252434,
    0.0015246254110601331,
    0.0011458284801105026,
    0.0002922483221796136,
    -0.0006579273430960248,
    -0.0012988159655092145,
    -0.0013694955071465538,
    -0.0008549445288520884,
    0.000013227404467096469,
    0.000864139658383905,
    0.0013400924004628295,
    0.0012480415589991593,
    0.0006273300294782066,
    -0.0002633112422429481,
    -0.0010633948799983867,
    -0.0014427351510568104,
    -0.0012441589539073105,
    -0.0005232111270540358,
    0.00045370439585035757,
    0.001336560339070561,
    0.0017846718161288518,
    0.0016226231807938165,
    0.0008433142416708619,
    -0.0003409354608796032,
    -0.0016504372952480038,
    -0.0027433333446253505,
    -0.003424828469518149,
    -0.003560065932867868,
    -0.0032510295020445395,
    -0.002588460321745651,
    -0.0018437115212335642,
    -0.0010983932516403473,
    -0.0005782291659135532,
    -0.00020550950977696016
};
 
 
// -------------------------------------------------------------- //
//
// ----------- 512 POINT FIR LPF h[n] arrays -------------------- //
//
// -------------------------------------------------------------- //
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 88200 Hz
 
    * 0 Hz - 21000 Hz
    gain = 1
    desired ripple = 0.25 dB
    actual ripple = 0.005199324540099375 dB
 
    * 22000 Hz - 44100 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -127.02059767785704 dB
 
*/
 
#define FILTER_TAP_512 512
 
static double LPF512_882[FILTER_TAP_512] = {
    -0.000006195994840906792,
    -0.000026377649358938194,
    -0.000054043331302832245,
    -0.0000625748223358342,
    -0.00003223997205516153,
    0.0000147452125473475,
    0.00003077870383039477,
    0.000003563124645343705,
    -0.00002294830905505994,
    -0.00001059090336854346,
    0.00001696069103865903,
    0.00001367098590270872,
    -0.000012787633504849568,
    -0.00001557165334969823,
    0.00000978189736121662,
    0.000017158631605142543,
    -0.00000724683259158293,
    -0.000018815943700143466,
    0.000004848609767934331,
    0.0000205209349075809,
    -0.000002260411071003147,
    -0.000022290321874231233,
    -6.153071440435407e-7,
    0.000023979883254519524,
    0.0000039376739731325665,
    -0.00002553369579698917,
    -0.000007710844572775586,
    0.000026786925855711306,
    0.000012000457131654767,
    -0.00002766556566174508,
    -0.000016757864796973997,
    0.000028013017736212978,
    0.000021986832516158112,
    -0.00002775905999987047,
    -0.000027613883648684807,
    0.0000267492975725187,
    0.00003358350051510379,
    -0.000024931547432790423,
    -0.00003980918670229983,
    0.000022146474047997208,
    0.00004616259190094089,
    -0.000018389023235252165,
    -0.000052561849628021374,
    0.000013496964412195529,
    0.000058819354528564465,
    -0.0000074972996309930436,
    -0.0000648216892882776,
    2.831657631886811e-7,
    0.00007038555434723775,
    0.000008139402590756875,
    -0.0000753078976065919,
    -0.0000177588068865946,
    0.00007945255531665105,
    0.000028585430657722077,
    -0.00008256645633929745,
    -0.00004055075473577912,
    0.00008447148219486695,
    0.00005356154544965725,
    -0.00008497489620620158,
    -0.00006755064510224186,
    0.00008385356793586416,
    0.00008234913986465876,
    -0.00008091379329291462,
    -0.00009779004588786714,
    0.00007599898228994444,
    0.00011369538424534495,
    -0.00006890747740257258,
    -0.00012982950287888245,
    0.00005949080824638103,
    0.00014591294212989167,
    -0.0000476348892079392,
    -0.00016168342291365687,
    0.00003322703688888179,
    0.0001768141274826108,
    -0.000016191552066758442,
    -0.00019096431675948668,
    -0.000003497903858399426,
    0.00020376463762218023,
    0.00002582138148753163,
    -0.00021486741566650955,
    -0.000050754613833895865,
    0.00022385260456034395,
    0.00007818442201731317,
    -0.00023033118598769854,
    -0.00010795690404655534,
    0.00023390218565491627,
    0.00013986714844614495,
    -0.00023418228672371447,
    -0.00017366339446741891,
    0.00023078594224958324,
    0.00020904904716808966,
    -0.00022332224011655606,
    -0.0002456253476098567,
    0.00021146487706599572,
    0.0002829732727342393,
    -0.000194909994798152,
    -0.00032061905913575935,
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};
 
 
 
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 176400 Hz
 
    * 0 Hz - 20000 Hz
    gain = 1
    desired ripple = 0.25 dB
    actual ripple = 0.0056908532915910595 dB
 
    * 22000 Hz - 88200 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -126.23598846958363 dB
 
*/
 
static double LPF512_1764[FILTER_TAP_512] = {
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};
 
 
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 96000 Hz
 
    * 0 Hz - 20500 Hz
    gain = 1
    desired ripple = 0.25 dB
    actual ripple = 0.00044554881488090205 dB
 
    * 22000 Hz - 48000 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -106.71065150051679 dB
 
*/
 
static double LPF512_96[FILTER_TAP_512] = {
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    5.419283443575595e-10,
    1.2138155970611815e-10
};
 
 
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 192000 Hz
 
    * 0 Hz - 20500 Hz
    gain = 1
    desired ripple = 0.25 dB
    actual ripple = 0.10024679354423573 dB
 
    * 22000 Hz - 96000 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -101.31822256212008 dB
 
*/
 
static double LPF512_192[FILTER_TAP_512] = {
    -0.000011348704130670158,
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    -0.00009953982240883068,
    -0.00004572544427306656,
    -0.000011348704130670158
};
 
 
// -------------------------------------------------------------- //
//
// ----------- 1024 POINT FIR LPF h[n] arrays ------------------- //
//
// -------------------------------------------------------------- //
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
sampling frequency: 88200 Hz
 
    * 0 Hz - 21500 Hz
    gain = 1
    desired ripple = 0.25 dB
    actual ripple = 0.005205391792064664 dB
 
    * 22000 Hz - 44100 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -127.01046775559655 dB
 
*/
 
#define FILTER_TAP_1024 1024
 
static double LPF1024_882[FILTER_TAP_1024] = {
    0.000002296994628064047,
    0.000014789279868473218,
    0.00003935014169199962,
    0.00006027271312718244,
    0.00005196585200581446,
    0.000011869188157785482,
    -0.000025250576548906196,
    -0.000023572914710735582,
    0.000006687718035213566,
    0.000021208509712051986,
    0.0000028489151334185076,
    -0.000016452488559251687,
    -0.000007397406960098254,
    0.000012073243312514536,
    0.000009409710469610436,
    -0.000008577610159733683,
    -0.000010169808447472138,
    0.000005896552652011822,
    0.000010332320299186227,
    -0.000003847270047554453,
    -0.000010229864200374897,
    0.000002255162837511969,
    0.000010027642501838871,
    -9.836787185139625e-7,
    -0.00000980717433746539,
    -6.937606870348361e-8,
    0.000009606923574821677,
    9.82352614629753e-7,
    -0.000009436464490188146,
    -0.000001806999720804682,
    0.000009298952545751506,
    0.0000025862709874353385,
    -0.000009184546775248134,
    -0.0000033467906487353053,
    0.000009082165855075164,
    0.000004104787294159089,
    -0.00000898496447878191,
    -0.000004877920359938534,
    0.000008877724857059966,
    0.000005671814712340069,
    -0.000008751838612176002,
    -0.000006494333694218778,
    0.000008593066903092431,
    0.000007343558212311522,
    -0.000008395361293730261,
    -0.000008221997204699646,
    0.000008148845106292554,
    0.000009127486525832755,
    -0.000007847760531821056,
    -0.000010062134657174814,
    0.000007479196664414018,
    0.000011019168000729255,
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    0.000006513983424949496,
    0.000012969298073892428,
    -0.000005912632685343827,
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    0.00000522370588326623,
    0.000014945741518954324,
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    -0.00001592753641974636,
    0.000003555834456989047,
    0.00001689024230475955,
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    -0.000017827704195848142,
    0.0000014911594699039913,
    0.000018734913816067718,
    -3.050005866810878e-7,
    -0.0000196030989067878,
    -9.89004983114132e-7,
    0.00002041918307090786,
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    6.431562486604855e-7,
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    0.00016265526864108596,
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    0.00016401372222454836,
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    0.00016281386512546187,
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    0.00012751586057429564,
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    0.00011007815568458062,
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    0.0002682924771382845,
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    0.00013738163362174655,
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};
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 176400 Hz
 
    * 0 Hz - 21000 Hz
    gain = 1
    desired ripple = 0.25 dB
    actual ripple = 0.0052678710286102395 dB
 
    * 22000 Hz - 88200 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -126.90683354577267 dB
 
*/
 
static double LPF1024_1764[FILTER_TAP_1024] = {
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    -0.0000010852899687113288
};
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 96000 Hz
 
    * 0 Hz - 21500 Hz
    gain = 1
    desired ripple = 0.1 dB
    actual ripple = 0.007496277394110995 dB
 
    * 22000 Hz - 48000 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -115.85619830015295 dB
 
*/
 
static double LPF1024_96[FILTER_TAP_1024] = {
    0.000004449219143524114,
    0.00002506592504664121,
    0.0000587368323361594,
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    9.606429020572706e-7,
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};
/*
 
FIR filter designed with
http://t-filter.appspot.com
 
    sampling frequency: 192000 Hz
 
    * 0 Hz - 21000 Hz
    gain = 1
    desired ripple = 0.1 dB
    actual ripple = 0.007641543387609277 dB
 
    * 22000 Hz - 96000 Hz
    gain = 0
    desired attenuation = -96 dB
    actual attenuation = -115.68948963325914 dB
 
*/
 
static double LPF1024_192[FILTER_TAP_1024] = {
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    -2.521162814830978e-7,
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#endif