Frap Tools CGM - LED Pitch Tables

Rev. 5 – Jun 2020 Page 56 of 91
LED PITCH TABLES
semitones
0V is C
C
C#
D
D#
E
F
F#
G
G#
A
A#
B
0V is A
A
A#
B
C
C#
D
D#
E
F
F#
G
G#
Voltage
0V
1/12V
~0.083V
2/12V
~0.166V
3/12V
0.25V
4/12V
~0.333V
5/12V
~0.416V
6/12V
0.5V
7/12V
~0.583V
8/12V
~0.666
9/12V
0.75V
10/12V
~0.833V
11/12V
~0.916V
octaves
Octave
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
Voltage
0V
1V
2V
3V
4V
5V
6V
7V
8V
0V
0V
Table 14: 12-EDO LED chart.
semitones
0V is C
C
C#
D
D#
E
E#
F
F#
G
G#
Ab
A
0V is A
A
A#
B
B#
C
C#
D
D#
E
E#
F
F#
Voltage
0V
1/15V
~0.066V
2/15V
~0.133V
3/15V
0.2V
4/15V
~0.266V
5/15V
~0.333V
6/15V
0.4V
7/15V
~0.466V
8/15V
~0.533
9/15V
0.6V
10/15V
~0.666V
11/15V
~0.733V
0V is C
A#
B
B#
0V is A
G
G#
Ab
Voltage
12/15V
~0.8V
13/15V
~0.866V
14/15V
~0.933V
octaves
Octave
+0
+1
+2
+3
+4
+5
+6
+7
+8
Voltage
0V
1V
2V
3V
4V
5V
6V
7V
8V
Table 15: 15-EDO LED chart.
semitones
0V is C
C
C#
Db
D
D#
Eb
E
E#
F
F#
Gb
G
0V is A
A
A#
Bb
B
B#
C
C#
Db
D
D#
Eb
E
Voltage
0V
1/19V
~0.052V
2/19V
~0.105V
3/19V
~0.157V
4/19V
~0.210V
5/19V
~0.263V
6/19V
~0.315V
7/19V
~0.368V
8/19V
~0.421
9/19V~
0.473V
10/19V
~0.526V
11/19V
~0.578V
0V is C
G#
Ab
A
A#
Bb
B
B#
0V is A
E#
F
F#
Gb
G
G#
Ab
Voltage
12/19V
~0.631V
13/19V
0.684V
14/19V
~0.736V
15/19V
~0.789V
16/19V
~0.842V
17/19V
~0.894V
18/19V
~0.947V
octaves
Octave
+0
+1
+2
+3
+4
+5
+6
Voltage
0V
1V
2V
3V
4V
5V
6V
Table 16: 19-EDO LED chart.