musicdsp.org source code archive - WSInf

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-3.280788470880198419407186455190899535706232295554613820907245e-04, 5.490532773373631230219769273898345809368332716288071475378651e-04, 1.534439023195503211083338679106161291342621676983096723309776e-05, -2.208944032455493852493630802748509781675182699536797043565515e-04, 4.336726125945695214852398433524024058216834313839357806404424e-05, 7.055138782065465075838703109997365141906130284669094131032488e-05, -3.098662927619930052417611453170793938796310141219293329658062e-05, -1.639162496160583099236044020495877311072716199713679670940295e-05, 1.354327718416781810683349121150634031343717637827354228989989e-05, 1.849945003115590390789683032647334516600314304175482456338006e-06, -4.309941556597092389020622638271988877959028012481278949268461e-06, 4.854731396996411681769911684430785681028852413859386141424939e-07, 1.002121399297177629772998172241869405763288457224082581829033e-06, -3.494948603445727645895194867933547164628229076947330682199174e-07, -1.509885388671583553484927666148474078148724554849968758642331e-07, 1.109031232216439389999036327867142640916239658806376290861690e-07, 5.350657515461434290618742656970344024396382191417247602674540e-09, -2.252193836724805775389816424695618411834716065179297102428180e-08, 4.224485706362419268050011630338101126995607958955688879525896e-09, 2.793974465953982659829387370821677112004867350709951380622807e-09, -1.297205001469435139867686007585972538983682739297235604327668e-09, -1.031411129096974965677950646498153071722880698222864687038596e-10, 1.946164894082315021308714557636277980079559327508927751052218e-10, -3.203398244123241367987902201268363088933939831689591684670080e-11, -1.398415715537641487959551682557483348661602836709278513081908e-11, 6.334955440973913249611879065201632922100533284261000819747915e-12, -2.096363194234800541614775742755555713279549381264881030843258e-13, -4.421612409872105367333572734854401373201808896976552663098518e-13, 1.138052830921439682522395208295427884729893377395129205716662e-13, -4.518889607463726394454509623712773172513778367070839294449849e-16, -5.243025691884205832260354503748325334301994904062750850180233e-15, 1.189012387508252879928637969242590755033933791160383262132698e-15, -1.199280335852879554967035114674445327319437557227036460257649e-16, 4.906615064935203694857690087429901193139905690549533773201453e-18}; const double Daub38[76] = { 1.425776641674131672055420247567865803211784397464191115245081e-06, 3.576251994264023012742569014888876217958307227940126418281357e-05, 4.211702664727116432247014444906469155300573201130549739553848e-04, 3.083088119253751774288740090262741910177322520624582862578292e-03, 1.563724934757215617277490102724080070486270026632620664785632e-02, 5.788994361285925649727664279317241952513246287766481213301801e-02, 1.600719935641106973482800861166599685169395465055048951307626e-01, 3.307757814110146511493637534404611754800768677041577030757306e-01, 4.965911753117180976599171147718708939352414838951726087564419e-01, 4.933560785171007975728485346997317064969513623594359091115804e-01, 2.130505713555785138286743353458562451255624665951160445122307e-01, -1.828676677083358907975548507946239135218223185041410632924815e-01, -3.216756378089978628483471725406916361929841940528189059002548e-01, -6.226650604782432226643360160478765847565862101045597180310490e-02, 2.321259638353531085028708104285994998671615563662858079262996e-01, 1.499851196187170199586403453788927307298226028262603028635758e-01, -1.417956859730596216710053144522330276392591055375830654519080e-01, -1.599125651582443618288533214523534937804208844386102639177693e-01, 8.563812155615105741612217814369165313487129645536001850276987e-02, 1.414147340733826800884683119379170594092606174915755283496153e-01, -5.658645863072738145681787657843320646815509410635114234947902e-02, -1.147311707107443752394144019458942779715665489230169950201022e-01, 4.309589543304764288137871223616030624246568683595408792078602e-02, 8.720439826203975011910714164154456762073786124233088471855868e-02, -3.660510340287429567372071039506772372567938710943432838908247e-02, -6.176620870841315993604736705613246241897497782373337911398117e-02, 3.198987753153780630818381136366859026137035450576631134176875e-02, 4.005498110511594820952087086241114309038577379366732959648548e-02, -2.689149388089451438550851767715967313417890393287236700072071e-02, -2.311413402054931680856913553585621248925303865540203357180768e-02, 2.090464525565524340215982365351342094670261491526831672682244e-02, 1.129049727868596484270081487761544232851115891449843967151657e-02, -1.470188206539868213708986402816605045648481224662435114088245e-02, -4.131306656031089274123231103326745723188134548520938157995702e-03, 9.214785032197180512031534870181734003522861645903894504302286e-03, 5.625715748403532005741565594881148757066703437214522101740941e-04, -5.071314509218348093935061417505663002006821323958752649640329e-03, 7.169821821064019257784165364894915621888541496773370435889585e-04, 2.400697781890973183892306914082592143984140550210130139535193e-03, -8.448626665537775009068937851465856973251363010924003314643612e-04, -9.424614077227377964015942271780098283910230639908018778588910e-04, 5.810759750532863662020321063678196633409555706981476723988312e-04, 2.817639250380670746018048967535608190123523180612961062603672e-04, -3.031020460726611993600629020329784682496477106470427787747855e-04, -4.555682696668420274688683005987764360677217149927938344795290e-05, 1.262043350166170705382346537131817701361522387904917335958705e-04, -1.155409103833717192628479047983460953381959342642374175822863e-05,
-4.175141648540397797296325065775711309197411926289412468280801e-05, 1.334176149921350382547503457286060922218070031330137601427324e-05, 1.037359184045599795632258335010065103524959844966094870217687e-05, -6.456730428469619160379910439617575420986972394137121953806236e-06, -1.550844350118602575853380148525912999401292473185534395740371e-06, 2.149960269939665207789548199790770596890252405076394885606038e-06, -8.487087586072593071869805266089426629606479876982221840833098e-08, -5.187733738874144426008474683378542368066310000602823096009187e-07, 1.396377545508355481227961581059961184519872502493462010264633e-07, 8.400351046895965526933587176781279507953080669259318722910523e-08, -4.884757937459286762082185411608763964041010392101914854918157e-08, -5.424274800287298511126684174854414928447521710664476410973981e-09, 1.034704539274858480924046490952803937328239537222908159451039e-08, -1.436329487795135706854539856979275911183628476521636251660849e-09, -1.349197753983448821850381770889786301246741304307934955997111e-09, 5.261132557357598494535766638772624572100332209198979659077082e-10, 6.732336490189308685740626964182623159759767536724844030164551e-11, -8.278256522538134727330692938158991115335384611795874767521731e-11, 1.101692934599454551150832622160224231280195362919498540913658e-11, 6.291537317039508581580913620859140835852886308989584198166174e-12, -2.484789237563642857043361214502760723611468591833262675852242e-12, 2.626496504065252070488282876470525379851429538389481576454618e-14, 1.808661236274530582267084846343959377085922019067808145635263e-13, -4.249817819571463006966616371554206572863122562744916796556474e-14, -4.563397162127373109101691643047923747796563449194075621854491e-16, 2.045099676788988907802272564402310095398641092819367167252952e-15, -4.405307042483461342449027139838301611006835285455050155842865e-16, 4.304596839558790016251867477122791508849697688058169053134463e-17, -1.716152451088744188732404281737964277713026087224248235541071e-18};
Page 1 and 2:
musicdsp.org source code archive Th
Page 3 and 4:
VST SDK GUI Switch without 16-Point
Page 5 and 6:
(Allmost) Ready-to-use oscillators
Page 7 and 8:
Alias-free waveform generation with
Page 9 and 10:
AM Formantic Synthesis (click this
Page 11 and 12:
Another cheap sinusoidal LFO (click
Page 13 and 14:
property Rate:Single read FRate wri
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procedure SetSampleRate(const Value
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antialiased square generator (click
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Audiable alias free waveform gen us
Page 21 and 22:
Bandlimited sawtooth synthesis (cli
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} Nbeta = b->N * beta; cosbeta = co
Page 25 and 26:
} lastnumpartials=partials; a=int(2
Page 27 and 28:
Bandlimited waveform generation wit
Page 29 and 30:
Approximation through processing of
Page 31 and 32:
Bandlimited waveforms... (click thi
Page 33 and 34:
I've already nearly done all the di
Page 35 and 36:
C++ gaussian noise generation (clic
Page 37 and 38:
Cubic polynomial envelopes (click t
Page 39 and 40:
Drift generator (click this to go b
Page 41 and 42:
Easy noise generation (click this t
Page 43 and 44:
Fast Exponential Envelope Generator
Page 45 and 46:
} coeff = 1.0f + (log(levelEnd) - l
Page 47 and 48: inc our 32bit integer LFO pos & let
Page 49 and 50: egin fSpeed:=v; iSpeed:=Round($1000
Page 51 and 52: Fast sine wave calculation (click t
Page 53 and 54: Fast Whitenoise Generator (click th
Page 55 and 56: Gaussian White Noise (click this to
Page 57 and 58: Inverted parabolic envelope (click
Page 59 and 60: if (nargin < 2 ) thresh = -100; end
Page 61 and 62: Phase modulation Vs. Frequency modu
Page 63 and 64: Phase modulation Vs. Frequency modu
Page 65 and 66: Pulsewidth modulation (click this t
Page 67 and 68: RBJ Wavetable 101 (click this to go
Page 69 and 70: SawSin (click this to go back to th
Page 71 and 72: Square Waves (click this to go back
Page 73 and 74: Waveform generator using MinBLEPS (
Page 75 and 76: Weird synthesis (click this to go b
Page 77 and 78: } } // Step 4 : rising edge detecto
Page 79 and 80: Coefficients for Daubechies wavelet
Page 81 and 82: -3.22448695846383746484797550621349
Page 83 and 84: 9.323261308672633862226517802548514
Page 85 and 86: 2.135815619103406884039052814341926
Page 87 and 88: -7.70690988123119623288037272295551
Page 89 and 90: 1.509692082823910867903367712096001
Page 91 and 92: -8.36549047125880079934928979439790
Page 93 and 94: 1.089584350416766882738651833752634
Page 95 and 96: 4.784787462793710621468610706120519
Page 97: -5.65781324505881838042401697351671
Page 101 and 102: Envelope detector (click this to go
Page 103 and 104: Envelope follower with different at
Page 105 and 106: from : (1< - ??????????????????????
Page 107 and 108: while(1){ if(i!=0) { while((i&1)==0
Page 109 and 110: l=size-1; m=size>>1; for (i=0,j=0;
Page 111 and 112: //Source: see the routines it calls
Page 113 and 114: long dl, dl2, i, j; double d0,d1,d2
Page 115 and 116: i3+=n8; i4+=n8; t1=(data[i3]+data[i
Page 117 and 118: i4=i3+n4; i5=i+n4-j+1; i6=i5+n4; i7
Page 119 and 120: free(data2); }
Page 121 and 122: Frequency response from biquad coef
Page 123 and 124: c = ((c * i) + Math.abs(a[i])) / (i
Page 125 and 126: LPC analysis (autocorrelation + Lev
Page 127 and 128: egin for j:=0 to P do begin A[0]:=0
Page 129 and 130: } (b0*b0 + b1*b1 + b2*b2 + b3*b3 +
Page 131 and 132: { return (MulVect::calc(v, 0)); } }
Page 133 and 134: Measuring interpollation noise (cli
Page 135 and 136: Simple peak follower (click this to
Page 137 and 138: else tone[i] = 2*cos(A)*cos(A) - co
Page 139 and 140: Tone detection with Goertzel (x86 A
Page 141 and 142: 1-RC and C filter (click this to go
Page 143 and 144: 1st and 2nd order pink noise filter
Page 145 and 146: double f2p3; // Sample history buff
Page 147 and 148: 303 type filter with saturation (cl
Page 149 and 150:
All-Pass Filters, a good explanatio
Page 151 and 152:
Another 4-pole lowpass... (click th
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fCoeffs[0]:=p; fCoeffs[1]:=4.0*p*s;
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Biquad C code (click this to go bac
Page 157 and 158:
a1 = 2 * ((A - 1) - (A + 1) * cs);
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} // hishelf if(type==8) { b0=float
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C-Weighed Filter (click this to go
Page 163 and 164:
Cool Sounding Lowpass With Decibel
Page 165 and 166:
Delphi Class implementation of the
Page 167 and 168:
0:=alpha; b1:=0.0; b2:=-alpha; a0:=
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Direct form II (click this to go ba
Page 171 and 172:
Formant filter (click this to go ba
Page 173 and 174:
frequency warped FIR lattice (click
Page 175 and 176:
Hiqh quality /2 decimators (click t
Page 177 and 178:
Karlsen (click this to go back to t
Page 179 and 180:
end; procedure TKarlsen.SetQ(v:Sing
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float b_cut = ((fvar1 * fvar1) + ((
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Lowpass filter for parameter edge f
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} public float Process(float input)
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LPF 24dB/Oct (click this to go back
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float v2; v2 = 40000; // twice the
Page 192 and 193:
..but it won't be much faster than
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Moog VCF (click this to go back to
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Moog VCF, variation 2 (click this t
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Notch filter (click this to go back
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One pole, one zero LP/HP (click thi
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Peak/Notch filter (click this to go
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Pink noise filter (click this to go
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Polyphase Filters (click this to go
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{0.2659685265210946 ,0.665104153263
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delete filter_b; }; double CHalfBan
Page 212 and 213:
------------ AllPass Filter Cascade
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end; end.
Page 216 and 217:
RBJ Audio-EQ-Cookbook (click this t
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1 = -(1 + cos(w0)) b2 = (1 + cos(w0
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RBJ Audio-EQ-Cookbook (click this t
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Remez Remez (Parks/McClellan) (clic
Page 224 and 225:
Resonant IIR lowpass (12dB/oct) (cl
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{ unsigned int i; float *hist1_ptr,
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* For n=4, or two second order sect
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{ } /* Calculate a1 and a2 and over
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Reverb Filter Generator (click this
Page 235 and 236:
State Variable Filter (Chamberlin v
Page 237 and 238:
State Variable Filter (Double Sampl
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} lowpass = output; highpass = inpu
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} if (size == 1) { out[0] = in1[0]
Page 243 and 244:
Time domain convolution with O(n^lo
Page 245 and 246:
Various Biquad filters (click this
Page 247 and 248:
void setfilter_shelvelowpass(f,freq
Page 249 and 250:
Windowed Sinc FIR Generator (click
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do W[i]:=W[i]*(0.35875-0.48829*cos(
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int i; double *h1 = new double[N];
Page 255 and 256:
Zoelzer biquad filters (click this
Page 257 and 258:
So tan(x) would be x - x^3/6 + x^5/
Page 259 and 260:
2 Wave shaping things (click this t
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#define infile "a.raw" //input file
Page 263 and 264:
Band Limited PWM Generator (click t
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Bit quantization/reduction effect (
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Compressor (click this to go back t
Page 269 and 270:
Decimator (click this to go back to
Page 271 and 272:
Delay time calculation for reverber
Page 273 and 274:
dynamic convolution (click this to
Page 275 and 276:
Early echo's with image-mirror tech
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for (y=-ceil(dist_max/(2*breite));y
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} } j=0; for(i=0;i
Page 281 and 282:
Raummodell: H - Hoererposition L -
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} } } angle=atan(y_pos/x_pos); if (
Page 285 and 286:
ECE320 project: Reverberation w/ pa
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move#ser_data,r6; incoming data buf
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movex:(r0)+,a; er delay asr#20,a,a
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fold back distortion (click this to
Page 293 and 294:
Lo-Fi Crusher (click this to go bac
Page 295 and 296:
Most simple static delay (click thi
Page 297 and 298:
Parallel combs delay calculation (c
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inherited; fA1:=0; fZM1:=0; end; de
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implementation { TPhaser } function
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end; a[1]:=b-fY[5]; b:=a[1]*fA1; fY
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Polynominal Waveshaper (click this
Page 307 and 308:
Reverberation techniques (click thi
Page 309 and 310:
smsPitchScale Source Code (click th
Page 311 and 312:
Stereo Enhancer (click this to go b
Page 313 and 314:
Time compression-expansion using st
Page 315 and 316:
transistor differential amplifier s
Page 317 and 318:
WaveShaper (click this to go back t
Page 319 and 320:
Waveshaper (click this to go back t
Page 321 and 322:
Waveshaper :: Gloubi-boulga (click
Page 323 and 324:
VST SDK GUI Switch without (click t
Page 325 and 326:
private final int POINTS = 1 15; a
Page 327 and 328:
3rd order Spline interpollation (cl
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5-point spline interpollation (clic
Page 331 and 332:
Antialiased Lines (click this to go
Page 333 and 334:
Automatic PDC system (click this to
Page 335 and 336:
} return ret; }
Page 337 and 338:
Block/Loop Benchmarking (click this
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END; {$ELSE} BEGIN RESULT:=(Value S
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} } throw new IllegalArgumentExcept
Page 343 and 344:
Center separation in a stereo mixdo
Page 345 and 346:
Center separation in a stereo mixdo
Page 347 and 348:
Clipping without branching (click t
Page 349 and 350:
Conversions on a PowerPC (click thi
Page 351 and 352:
Cubic interpollation (click this to
Page 353 and 354:
Denormal DOUBLE variables, macro (c
Page 355 and 356:
Use this eq. to calculate the appro
Page 357 and 358:
Denormalization preventer (click th
Page 359 and 360:
Anyway this version gives more expl
Page 361 and 362:
Dithering (click this to go back to
Page 363 and 364:
Envelope Follower (click this to go
Page 365:
fast abs/neg/sign for 32bit floats
Page 368 and 369:
Fast cube root, square root, and re
Page 370 and 371:
float z; _asm { rsqrtss xmm0, x rcp
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1 - 1.5 (using fastexp6, the maximu
Page 374 and 375:
Fast log2 (click this to go back to
Page 376 and 377:
fast power and root estimates for 3
Page 378 and 379:
Float to int (more intel asm) (clic
Page 380 and 381:
Float-to-int, coverting an array of
Page 382 and 383:
Gaussian random numbers (click this
Page 384 and 385:
Pentium 4 and above, but not using
Page 386 and 387:
HTH DSP from : antiprosynthesis@hot
Page 388 and 389:
Matlab Time Domain Impulse Response
Page 390 and 391:
MATLAB-Tools for SNDAN (click this
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end; // converts from MIDI note to
Page 395 and 396:
Motorola 56300 Disassembler (click
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} __inline int round(float f) { int
Page 399 and 400:
Nonblocking multiprocessor/multithr
Page 401 and 402:
pow(x,4) approximation (click this
Page 403 and 404:
Real basic DSP with Matlab (+ GUI)
Page 405 and 406:
Really fast x86 floating point sin/
Page 407 and 408:
from : Christian@savioursofsoul.de
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pfmul mm1, mm0 //mm1=a movq mm2, mm
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esampling (click this to go back to
Page 413 and 414:
depending on whether you're looking
Page 415 and 416:
Sin, Cos, Tan approximation (click
Page 417:
fResult += 0.180141f; fResult *= fV
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