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matozoid/sid_frequencies.csv

Last active March 10, 2024 15:52
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A table of frequencies for the Commodore 64 SID chip taken from various sources. It's a CSV, so it's machine readable! :-) :-)
Raw
sid_frequencies.csv
number name octave note in octave frequency (base 440Hz) frequency (base 435Hz) C64 manual frequency PAL frequency NTSC frequency PAL frequency 435Hz NTSC frequency 435Hz MIDI note number
0 C 0 0 16.351597831287414 16.165784219568238 268 278 268 275 265 24
1 C# 0 1 17.323914436054505 17.12705177200843 284 295 284 292 281 25
2 D 0 2 18.354047994837977 18.14547926762391 301 313 301 309 298 26
3 D# 0 3 19.445436482630058 19.224465613509263 318 331 319 327 315 27
4 E 0 4 20.601722307054366 20.367611826292386 337 351 338 347 334 28
5 F 0 5 21.826764464562746 21.578733050192717 358 372 358 367 354 29
6 F# 0 6 23.12465141947715 22.86187128971036 379 394 379 389 375 30
7 G 0 7 24.499714748859326 24.22130889944047 401 417 402 412 397 31
8 G# 0 8 25.956543598746574 25.661582876033545 425 442 426 437 421 32
9 A 0 9 27.5 27.1875 451 468 451 463 446 33
10 A# 0 10 29.13523509488062 28.80415287789334 477 496 478 490 473 34
11 B 0 11 30.86770632850775 30.516936938411074 506 526 506 520 501 35
12 C 1 0 32.70319566257483 32.331568439136475 536 557 536 551 530 36
13 C# 1 1 34.64782887210901 34.254103544016864 568 590 568 583 562 37
14 D 1 2 36.70809598967594 36.2909585352478 602 625 602 618 595 38
15 D# 1 3 38.890872965260115 38.44893122701853 637 662 638 655 631 39
16 E 1 4 41.20344461410875 40.735223652584786 675 702 676 694 668 40
17 F 1 5 43.653528929125486 43.15746610038542 716 743 716 735 708 41
18 F# 1 6 46.2493028389543 45.72374257942072 758 788 759 779 750 42
19 G 1 7 48.999429497718666 48.44261779888095 803 834 804 825 795 43
20 G# 1 8 51.91308719749314 51.32316575206708 851 884 852 874 842 44
21 A 1 9 55.0 54.375 902 937 902 926 892 45
22 A# 1 10 58.27047018976124 57.60830575578668 955 992 956 981 945 46
23 B 1 11 61.7354126570155 61.03387387682215 1012 1051 1013 1039 1001 47
24 C 2 0 65.40639132514966 64.66313687827295 1072 1114 1073 1101 1061 48
25 C# 2 1 69.29565774421802 68.50820708803373 1136 1180 1137 1167 1124 49
26 D 2 2 73.41619197935188 72.5819170704956 1204 1250 1204 1236 1191 50
27 D# 2 3 77.78174593052023 76.89786245403705 1275 1325 1276 1309 1261 51
28 E 2 4 82.4068892282175 81.47044730516957 1351 1403 1352 1387 1336 52
29 F 2 5 87.30705785825097 86.31493220077084 1432 1487 1432 1470 1416 53
30 F# 2 6 92.4986056779086 91.44748515884145 1517 1575 1517 1557 1500 54
31 G 2 7 97.99885899543733 96.8852355977619 1607 1669 1608 1650 1589 55
32 G# 2 8 103.82617439498628 102.64633150413415 1703 1768 1703 1748 1684 56
33 A 2 9 110.0 108.75 1804 1873 1804 1852 1784 57
34 A# 2 10 116.54094037952248 115.21661151157336 1911 1985 1912 1962 1890 58
35 B 2 11 123.47082531403103 122.06774775364431 2025 2103 2025 2079 2002 59
36 C 3 0 130.8127826502993 129.3262737565459 2145 2228 2146 2202 2122 60
37 C# 3 1 138.59131548843604 137.01641417606746 2273 2360 2274 2333 2248 61
38 D 3 2 146.8323839587038 145.16383414099124 2408 2500 2409 2472 2381 62
39 D# 3 3 155.56349186104046 153.7957249080741 2551 2649 2552 2619 2523 63
40 E 3 4 164.81377845643496 162.94089461033911 2703 2807 2704 2775 2673 64
41 F 3 5 174.61411571650194 172.6298644015417 2864 2973 2864 2940 2832 65
42 F# 3 6 184.9972113558172 182.8949703176829 3034 3150 3035 3114 3000 66
43 G 3 7 195.99771799087463 193.77047119552378 3215 3338 3215 3300 3179 67
44 G# 3 8 207.65234878997256 205.29266300826833 3406 3536 3406 3496 3368 68
45 A 3 9 220.0 217.5 3608 3746 3609 3704 3568 69
46 A# 3 10 233.08188075904496 230.43322302314672 3823 3969 3824 3924 3780 70
47 B 3 11 246.94165062806206 244.13549550728862 4050 4205 4051 4157 4005 71
48 C 4 0 261.6255653005986 258.6525475130918 4291 4455 4292 4404 4243 72
49 C# 4 1 277.1826309768721 274.0328283521349 4547 4720 4547 4666 4495 73
50 D 4 2 293.6647679174076 290.3276682819825 4817 5001 4817 4944 4763 74
51 D# 4 3 311.1269837220809 307.5914498161482 5103 5298 5104 5238 5046 75
52 E 4 4 329.6275569128699 325.88178922067823 5407 5613 5407 5549 5346 76
53 F 4 5 349.2282314330039 345.2597288030834 5728 5947 5729 5879 5664 77
54 F# 4 6 369.9944227116344 365.7899406353658 6069 6300 6070 6229 6001 78
55 G 4 7 391.99543598174927 387.54094239104757 6430 6675 6430 6599 6357 79
56 G# 4 8 415.3046975799451 410.58532601653667 6812 7072 6813 6992 6735 80
57 A 4 9 440.0 435.0 7217 7493 7218 7407 7136 81
58 A# 4 10 466.1637615180899 460.86644604629345 7647 7938 7647 7848 7560 82
59 B 4 11 493.8833012561241 488.27099101457725 8101 8410 8102 8314 8010 83
60 C 5 0 523.2511306011972 517.3050950261836 8583 8910 8584 8809 8486 84
61 C# 5 1 554.3652619537442 548.0656567042698 9094 9440 9094 9333 8991 85
62 D 5 2 587.3295358348151 580.655336563965 9634 10001 9635 9888 9525 86
63 D# 5 3 622.2539674441618 615.1828996322964 10207 10596 10208 10476 10092 87
64 E 5 4 659.2551138257398 651.7635784413565 10814 11226 10815 11099 10692 88
65 F 5 5 698.4564628660078 690.5194576061667 11457 11894 11458 11758 11328 89
66 F# 5 6 739.9888454232688 731.5798812707316 12139 12601 12139 12458 12001 90
67 G 5 7 783.9908719634985 775.0818847820951 12860 13350 12861 13198 12715 91
68 G# 5 8 830.6093951598903 821.1706520330732 13625 14144 13626 13983 13471 92
69 A 5 9 880.0 870.0 14435 14985 14436 14815 14272 93
70 A# 5 10 932.3275230361799 921.7328920925869 15294 15876 15294 15696 15120 94
71 B 5 11 987.7666025122483 976.5419820291545 16203 16820 16204 16629 16020 95
72 C 6 0 1046.5022612023945 1034.6101900523672 17167 17820 17167 17618 16972 96
73 C# 6 1 1108.7305239074883 1096.1313134085397 18188 18880 18188 18665 17981 97
74 D 6 2 1174.6590716696303 1161.31067312793 19269 20003 19270 19775 19051 98
75 D# 6 3 1244.5079348883237 1230.3657992645929 20415 21192 20415 20951 20183 99
76 E 6 4 1318.5102276514797 1303.527156882713 21629 22452 21629 22197 21384 100
77 F 6 5 1396.9129257320155 1381.0389152123337 22915 23787 22916 23517 22655 101
78 F# 6 6 1479.9776908465376 1463.1597625414631 24278 25202 24278 24915 24002 102
79 G 6 7 1567.981743926997 1550.1637695641903 25721 26700 25722 26397 25429 103
80 G# 6 8 1661.2187903197805 1642.3413040661467 27251 28288 27251 27966 26942 104
81 A 6 9 1760.0 1740.0 28871 29970 28872 29629 28544 105
82 A# 6 10 1864.6550460723597 1843.4657841851738 30588 31752 30589 31391 30241 106
83 B 6 11 1975.533205024496 1953.0839640583088 32407 33640 32407 33258 32039 107
84 C 7 0 2093.004522404789 2069.2203801047344 34334 35641 34334 35236 33944 108
85 C# 7 1 2217.4610478149766 2192.2626268170793 36376 37760 36376 37331 35963 109
86 D 7 2 2349.31814333926 2322.6213462558594 38539 40005 38539 39551 38101 110
87 D# 7 3 2489.0158697766474 2460.7315985291857 40830 42384 40831 41902 40367 111
88 E 7 4 2637.02045530296 2607.0543137654263 43258 44904 43259 44394 42767 112
89 F 7 5 2793.825851464031 2762.077830424667 45830 47574 45831 47034 45310 113
90 F# 7 6 2959.955381693075 2926.3195250829262 48556 50403 48556 49831 48004 114
91 G 7 7 3135.9634878539946 3100.327539128381 51443 53401 51444 52794 50859 115
92 G# 7 8 3322.437580639561 3284.682608132293 54502 56576 54503 55933 53883 116
93 A 7 9 3520.0 3480.0 57743 59940 57743 59259 57087 117
94 A# 7 10 3729.3100921447194 3686.9315683703476 61176 63504 61177 62783 60482 118
95 B 7 11 3951.066410048992 3906.1679281166175 64814 67280 64815 66516 64078 119
@mist64
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mist64 commented Jan 7, 2021

Number 71 should read "B" instead of "G".

@matozoid
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matozoid commented Jan 7, 2021

Thanks, fixed!

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