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AmstradCPC6128-hypertext-en-Sinewalker

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NOTE FREQUENCY PERIOD RELATIVE ERROR<br />

C 523.251 119 -0.374%<br />

C# 554.365 113 +0.229%<br />

D 587.330 106 -0.390%<br />

D# 622.254 100 -0.441%<br />

E 659.255 95 +0.206%<br />

F 698.457 89 -0.543% Octave 1<br />

F# 739.989 84 -0.548%<br />

G 783.991 80 +0.350%<br />

G# 830.609 75 -0.328%<br />

A 880.000 71 -0.032%<br />

A# 932.328 67 -0.055%<br />

B 987.767 63 -0.435%<br />

NOTE FREQUENCY PERIOD RELATIVE ERROR<br />

C 1046.502 60 +0.462%<br />

C# 1108.731 56 -0.662%<br />

D 1174.659 53 -0.390%<br />

D# 1244.508 50 -0.441%<br />

E 1318.510 47 -0.855%<br />

F 1396.913 45 +0.574%<br />

F# 1479.978 42 -0.548%<br />

G 1567.982 40 +0.350%<br />

G# 1661.219 38 +0.992%<br />

A 1760.000 36 +1.357%<br />

A# 1864.655 34 +1.417%<br />

B 1975.533 32 +1.134%<br />

NOTE FREQUENCY PERIOD RELATIVE ERROR<br />

C 2093.004 30 +0.462%<br />

C# 2217.461 28 -0.662%<br />

D 2349.318 27 +1.469%<br />

D# 2489.016 25 -0.441%<br />

E 2637.021 24 +1.246%<br />

F 2793.826 22 -1.685%<br />

F# 2959.955 21 -0.548%<br />

G 3135.963 20 +0.350%<br />

G# 3322.438 19 +0.992%<br />

A 3520.000 18 +1.357%<br />

A# 3729.310 17 +1.417%<br />

B 3951.066 16 +1.134%<br />

The above values are all calculated from International A as follows:<br />

FREQUENCY =440*(2t(OCTAVE+«N-10)/12)))<br />

PERIOD =ROUND(62500/FREQUENCY)<br />

.... where N is 1 for C, 2 for C #, 3 for D, etc.<br />

Octave 2<br />

Octave 3<br />

Chapter 7 Page 26 For your refer<strong>en</strong>ce ....

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