NeoTuner
A4
Hz
−
+
−50
−25
0
+25
+50
cent
—
—
Hz
—
cent
±
2
cent
+25
0
−25
−
C4 — B4
+
1
2
3
4
5
6
7
4
30%
−
C4 — B4
+
1
2
3
4
5
6
7
±
cent
s
×
中文
English
×
×
±30
A0
A4
C8
0
0
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