Ticks per Quarter Note
Note Name
Quarter
8 th
8 th
16
16
32
32
64
Triplet th th nd nd th
64 th
128
256
Triplet
Triplet
Triplet th
128 th th
Triplet
12
13
14
15
16
24
32
48
64
# per quarter
1
8
9
10
11
6
7
4
5
2
3
If result is an integer then the note value can be stored exactly by using the specified TPQN setting. Otherwise, the note  will be quantized to the closest tick and will have timing off by at most one­half of the minimum tick resolution determined  by the tempo setting.
2
1.85
1.71
1.6
1.5
1
0.75
0.5
0.38
24
24
4
3.43
3
2.67
2.4
2.18
12
8
6
4.8
48
48
24
16
12
9.6
8
6.86
6
5.33
4.8
4.36
4
3.69
3.43
3.2
3
2
1.5
1
0.75
96
96
48
32
24
19.2
16
13.71
12
10.67
9.6
8.73
8
7.38
6.86
6.4
6
4
3
2
1.5
240
240
120
80
60
48
40
34.29
30
26.67
24
21.82
20
18.46
17.14
16
15
10
7.5
5
3.75
480
480
240
160
120
96
80
68.57
60
53.33
48
43.64
40
36.92
34.29
32
30
20
15
10
7.5
80
73.85
68.57
64
60
40
30
20
15
960
960
160
137.14
120
106.67
96
87.27
480
320
240
192
140
129.23
120
112
105
70
52.5
35
26.25
1680
1680
280
240
210
186.67
168
152.73
840
560
420
336
Minimum Resolution (ms)
Tempo (BPM)
40
60
80
100
120
140
160
180
200
Ticks per Quarter Note
24
62.5
41.7
31.3
25.0
20.8
17.9
15.6
13.9
12.5
48
31.3
20.8
15.6
12.5
10.4
8.9
7.8
6.9
6.3
Example: 7 even spaced notes over same time as four 16 th  notes with TPQN of 24 vs 960 at 100 BPM
Ticks min resolution
Req'd TPQN note 1
2
3
4
5
6
7
24 ticks 960 ticks 24 ticks 960 ticks
25 0.6
3.43
Theoretical Tick Value
137.14
0 0
3.43
6.86
10.29
13.72
17.15
20.58
137.14
274.28
411.42
548.56
685.7
822.84
Difference from Theoretical (ms)
0 0
­10.75
3.5
­0.08
­0.17
­7.25
7
­3.75
10.5
­0.25
0.26
0.18
0.1
negative = ahead of theoretical (ie. early) positive = behind theoretical (ie. late)
96
15.6
10.4
7.8
6.3
5.2
4.5
3.9
3.5
3.1
240
6.3
4.2
3.1
2.5
2.1
1.8
1.6
1.4
1.3
480
3.1
2.1
1.6
1.3
1.0
0.9
0.8
0.7
0.6
960
1.6
1.0
0.8
0.6
0.5
0.4
0.4
0.3
0.3
1680
0.89
0.60
0.45
0.36
0.30
0.26
0.22
0.20
0.18