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Issue 1885723003: Implement Biquad lowpass and highpass filters according to spec (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 4 years, 7 months ago
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1 Test Basic IIRFilterNode Operation 1 Test Basic IIRFilterNode Operation
2 2
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE ". 3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE ".
4 4
5 5
6 PASS createIIRFilter with normalized coefficients did not throw an exception. 6 PASS createIIRFilter with normalized coefficients did not throw an exception.
7 PASS createIIRFilter with unnormalized coefficients did not throw an exception. 7 PASS createIIRFilter with unnormalized coefficients did not throw an exception.
8 PASS Output of IIR filter with unnormalized coefficients equals [1,-0.8999999761 581421,0.8100000023841858,-0.7289999723434448,0.6560999751091003,-0.590489983558 6548,0.5314409732818604,-0.4782969057559967,0.4304672181606293,-0.38742047548294 07,0.34867843985557556,-0.3138105869293213,0.2824295461177826,-0.254186570644378 66,0.22876793146133423,-0.20589113235473633,...] with an element-wise tolerance of 2.1958e-38. 8 PASS Output of IIR filter with unnormalized coefficients equals [1,-0.8999999761 581421,0.8100000023841858,-0.7289999723434448,0.6560999751091003,-0.590489983558 6548,0.5314409732818604,-0.4782969057559967,0.4304672181606293,-0.38742047548294 07,0.34867843985557556,-0.3138105869293213,0.2824295461177826,-0.254186570644378 66,0.22876793146133423,-0.20589113235473633,...] with an element-wise tolerance of 2.1958e-38.
9 PASS IIRFilter coefficients correctly normalized. 9 PASS IIRFilter coefficients correctly normalized.
10 10
11 PASS IIR 1-zero output equals [0.5,0.5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,...] with an element-wise tolerance of 0. 11 PASS IIR 1-zero output equals [0.5,0.5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,...] with an element-wise tolerance of 0.
12 PASS IIR 1-pole output equals [1,-0.9,0.81,-0.7290000000000001,0.656100000000000 1,-0.5904900000000002,0.5314410000000002,-0.47829690000000014,0.4304672100000001 6,-0.38742048900000015,0.34867844010000015,-0.31381059609000017,0.28242953648100 017,-0.25418658283290013,0.22876792454961012,-0.2058911320946491,...] with an el ement-wise tolerance of {absoluteThreshold: 0, relativeThreshold: 5.723e-8}. 12 PASS IIR 1-pole output equals [1,-0.9,0.81,-0.7290000000000001,0.656100000000000 1,-0.5904900000000002,0.5314410000000002,-0.47829690000000014,0.4304672100000001 6,-0.38742048900000015,0.34867844010000015,-0.31381059609000017,0.28242953648100 017,-0.25418658283290013,0.22876792454961012,-0.2058911320946491,...] with an el ement-wise tolerance of {absoluteThreshold: 0, relativeThreshold: 5.723e-8}.
13 PASS IIRFilter for Biquad lowpass equals [0.00052084,0.0025955,0.0067179,0.01285 0,0.020949,0.030969,0.042863,0.056577,0.072058,0.089246,0.10808,0.12850,0.15044, 0.17382,0.19859,0.22467,...] with an element-wise tolerance of {absoluteThreshol d: 0, relativeThreshold: 0.0000415}. 13 PASS IIRFilter for Biquad lowpass equals [0.00052089,0.0025959,0.0067191,0.01285 3,0.020955,0.030980,0.042881,0.056604,0.072096,0.089298,0.10815,0.12859,0.15055, 0.17397,0.19877,0.22488,...] with an element-wise tolerance of {absoluteThreshol d: 0, relativeThreshold: 0.000049834}.
14 PASS SNR for IIRFIlter for Biquad lowpass is greater than or equal to 91.222. 14 PASS SNR for IIRFIlter for Biquad lowpass is greater than or equal to 91.221.
15 PASS IIRFilter for Biquad highpass equals [0.99220,0.97568,0.95737,0.93733,0.915 63,0.89234,0.86753,0.84127,0.81364,0.78472,0.75459,0.72332,0.69100,0.65772,0.623 54,0.58857,...] with an element-wise tolerance of {absoluteThreshold: 0.0000029, relativeThreshold: 0.00003}. 15 PASS IIRFilter for Biquad highpass equals [0.99229,0.97595,0.95782,0.93795,0.916 41,0.89328,0.86861,0.84249,0.81499,0.78619,0.75616,0.72499,0.69276,0.65954,0.625 43,0.59051,...] with an element-wise tolerance of {absoluteThreshold: 0.0000029, relativeThreshold: 0.00003}.
16 PASS SNR for IIRFIlter for Biquad highpass is greater than or equal to 107.246. 16 PASS SNR for IIRFIlter for Biquad highpass is greater than or equal to 105.459.
17 PASS IIRFilter for Biquad bandpass equals [0.0022847,0.0068389,0.011358,0.015833 ,0.020254,0.024612,0.028899,0.033106,0.037224,0.041246,0.045163,0.048967,0.05265 2,0.056209,0.059632,0.062915,...] with an element-wise tolerance of {absoluteThr eshold: 2e-7, relativeThreshold: 0.00087}. 17 PASS IIRFilter for Biquad bandpass equals [0.0022847,0.0068389,0.011358,0.015833 ,0.020254,0.024612,0.028899,0.033106,0.037224,0.041246,0.045163,0.048967,0.05265 2,0.056209,0.059632,0.062915,...] with an element-wise tolerance of {absoluteThr eshold: 2e-7, relativeThreshold: 0.00087}.
18 PASS SNR for IIRFIlter for Biquad bandpass is greater than or equal to 104.06. 18 PASS SNR for IIRFIlter for Biquad bandpass is greater than or equal to 104.06.
19 PASS IIRFilter for Biquad notch equals [0.99772,0.99316,0.98864,0.98417,0.97975, 0.97539,0.97110,0.96689,0.96278,0.95875,0.95484,0.95103,0.94735,0.94379,0.94037, 0.93708,...] with an element-wise tolerance of {absoluteThreshold: 0, relativeTh reshold: 0.0000422}. 19 PASS IIRFilter for Biquad notch equals [0.99772,0.99316,0.98864,0.98417,0.97975, 0.97539,0.97110,0.96689,0.96278,0.95875,0.95484,0.95103,0.94735,0.94379,0.94037, 0.93708,...] with an element-wise tolerance of {absoluteThreshold: 0, relativeTh reshold: 0.0000422}.
20 PASS SNR for IIRFIlter for Biquad notch is greater than or equal to 91.312. 20 PASS SNR for IIRFIlter for Biquad notch is greater than or equal to 91.312.
21 PASS IIRFilter for Biquad allpass equals [0.99543,0.98632,0.97728,0.96833,0.9594 9,0.95078,0.94220,0.93379,0.92555,0.91751,0.90967,0.90207,0.89470,0.88758,0.8807 4,0.87417,...] with an element-wise tolerance of {absoluteThreshold: 0, relative Threshold: 0.0000431}. 21 PASS IIRFilter for Biquad allpass equals [0.99543,0.98632,0.97728,0.96833,0.9594 9,0.95078,0.94220,0.93379,0.92555,0.91751,0.90967,0.90207,0.89470,0.88758,0.8807 4,0.87417,...] with an element-wise tolerance of {absoluteThreshold: 0, relative Threshold: 0.0000431}.
22 PASS SNR for IIRFIlter for Biquad allpass is greater than or equal to 91.319. 22 PASS SNR for IIRFIlter for Biquad allpass is greater than or equal to 91.319.
23 PASS IIRFilter for Biquad lowshelf equals [1.0191,1.0576,1.0966,1.1362,1.1763,1. 2168,1.2575,1.2986,1.3398,1.3812,1.4227,1.4642,1.5057,1.5471,1.5884,1.6296,...] with an element-wise tolerance of {absoluteThreshold: 0, relativeThreshold: 0.00 00298}. 23 PASS IIRFilter for Biquad lowshelf equals [1.0191,1.0576,1.0966,1.1362,1.1763,1. 2168,1.2575,1.2986,1.3398,1.3812,1.4227,1.4642,1.5057,1.5471,1.5884,1.6296,...] with an element-wise tolerance of {absoluteThreshold: 0, relativeThreshold: 0.00 00298}.
24 PASS SNR for IIRFIlter for Biquad lowshelf is greater than or equal to 90.609. 24 PASS SNR for IIRFIlter for Biquad lowshelf is greater than or equal to 90.609.
25 PASS IIRFilter for Biquad highshelf equals [3.1031,2.9859,2.8713,2.7596,2.6507,2 .5450,2.4425,2.3434,2.2476,2.1553,2.0665,1.9812,1.8995,1.8214,1.7467,1.6756,...] with an element-wise tolerance of {absoluteThreshold: 0, relativeThreshold: 0.0 000124}. 25 PASS IIRFilter for Biquad highshelf equals [3.1031,2.9859,2.8713,2.7596,2.6507,2 .5450,2.4425,2.3434,2.2476,2.1553,2.0665,1.9812,1.8995,1.8214,1.7467,1.6756,...] with an element-wise tolerance of {absoluteThreshold: 0, relativeThreshold: 0.0 000124}.
26 PASS SNR for IIRFIlter for Biquad highshelf is greater than or equal to 103.159. 26 PASS SNR for IIRFIlter for Biquad highshelf is greater than or equal to 103.159.
27 PASS IIRFilter for Biquad peaking equals [1.0028,1.0083,1.0138,1.0193,1.0247,1.0 301,1.0354,1.0406,1.0456,1.0506,1.0555,1.0602,1.0648,1.0693,1.0736,1.0777,...] w ith an element-wise tolerance of {absoluteThreshold: 0, relativeThreshold: 0.000 0505}. 27 PASS IIRFilter for Biquad peaking equals [1.0028,1.0083,1.0138,1.0193,1.0247,1.0 301,1.0354,1.0406,1.0456,1.0506,1.0555,1.0602,1.0648,1.0693,1.0736,1.0777,...] w ith an element-wise tolerance of {absoluteThreshold: 0, relativeThreshold: 0.000 0505}.
28 PASS SNR for IIRFIlter for Biquad peaking is greater than or equal to 91.504. 28 PASS SNR for IIRFIlter for Biquad peaking is greater than or equal to 91.504.
29 PASS Max difference between IIR and Biquad on channel 0 is less than or equal to 0.000037671. 29 PASS Max difference between IIR and Biquad on channel 0 is less than or equal to 0.000037671.
30 PASS Max difference between IIR and Biquad on channel 1 is less than or equal to 0.000030071. 30 PASS Max difference between IIR and Biquad on channel 1 is less than or equal to 0.000030071.
31 PASS Max difference between IIR and Biquad on channel 2 is less than or equal to 0.000026241. 31 PASS Max difference between IIR and Biquad on channel 2 is less than or equal to 0.000026241.
32 PASS IIRFilter correctly processed 3-channel input. 32 PASS IIRFilter correctly processed 3-channel input.
33 PASS 4-th order IIRFilter (biquad ref) equals [2.6800e-7,0.0000021286,0.00000843 72,0.000022949,0.000049452,0.000091471,0.00015227,0.00023485,0.00034194,0.000475 98,0.00063917,0.00083341,0.0010603,0.0013213,0.0016175,0.0019496,...] with an el ement-wise tolerance of {absoluteThreshold: 8.4e-8, relativeThreshold: 5e-7}. 33 PASS 4-th order IIRFilter (biquad ref) equals [2.6831e-7,0.0000021317,0.00000845 27,0.000023002,0.000049588,0.000091769,0.00015285,0.00023587,0.00034360,0.000478 56,0.00064299,0.00083884,0.0010678,0.0013314,0.0016307,0.0019666,...] with an el ement-wise tolerance of {absoluteThreshold: 1.59e-7, relativeThreshold: 0.000021 1}.
34 PASS SNR of 4-th order IIRFilter (biquad ref) is greater than or equal to 110.68 4. 34 PASS SNR of 4-th order IIRFilter (biquad ref) is greater than or equal to 108.94 7.
35 PASS successfullyParsed is true 35 PASS successfullyParsed is true
36 36
37 TEST COMPLETE 37 TEST COMPLETE
38 38
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