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Fix frequency_from_scale to support Python2
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synthesizer/frequency.py

Lines changed: 16 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -1,23 +1,23 @@
11
A1_FREQ = 55.0
22

33
BASE_FREQUENCY = {
4-
"C": A1_FREQ * 2 ** (-9 / 12),
5-
"C#": A1_FREQ * 2 ** (-8 / 12),
6-
"Db": A1_FREQ * 2 ** (-8 / 12),
7-
"D": A1_FREQ * 2 ** (-7 / 12),
8-
"D#": A1_FREQ * 2 ** (-6 / 12),
9-
"Eb": A1_FREQ * 2 ** (-6 / 12),
10-
"E": A1_FREQ * 2 ** (-5 / 12),
11-
"F": A1_FREQ * 2 ** (-4 / 12),
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"F#": A1_FREQ * 2 ** (-3 / 12),
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"Gb": A1_FREQ * 2 ** (-3 / 12),
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"G": A1_FREQ * 2 ** (-2 / 12),
15-
"G#": A1_FREQ * 2 ** (-1 / 12),
16-
"Ab": A1_FREQ * 2 ** (-1 / 12),
4+
"C": A1_FREQ * 2 ** (-9 / 12.0),
5+
"C#": A1_FREQ * 2 ** (-8 / 12.0),
6+
"Db": A1_FREQ * 2 ** (-8 / 12.0),
7+
"D": A1_FREQ * 2 ** (-7 / 12.0),
8+
"D#": A1_FREQ * 2 ** (-6 / 12.0),
9+
"Eb": A1_FREQ * 2 ** (-6 / 12.0),
10+
"E": A1_FREQ * 2 ** (-5 / 12.0),
11+
"F": A1_FREQ * 2 ** (-4 / 12.0),
12+
"F#": A1_FREQ * 2 ** (-3 / 12.0),
13+
"Gb": A1_FREQ * 2 ** (-3 / 12.0),
14+
"G": A1_FREQ * 2 ** (-2 / 12.0),
15+
"G#": A1_FREQ * 2 ** (-1 / 12.0),
16+
"Ab": A1_FREQ * 2 ** (-1 / 12.0),
1717
"A": A1_FREQ,
18-
"A#": A1_FREQ * 2 ** (1 / 12),
19-
"Bb": A1_FREQ * 2 ** (1 / 12),
20-
"B": A1_FREQ * 2 ** (2 / 12),
18+
"A#": A1_FREQ * 2 ** (1 / 12.0),
19+
"Bb": A1_FREQ * 2 ** (1 / 12.0),
20+
"B": A1_FREQ * 2 ** (2 / 12.0),
2121
}
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