Audio delay calculator

Give the tempo and the time signature

Express the length of the delay as fractions of a bar

Musical tempo

Beats per minute
138.2BPM
Beats per bar
4 beats
Delay fraction
13/16 bar

Converted to seconds

Length of 1 beat
0.434 sec
2.303 Hz
Length of 1 bar
1.737 sec
0.576 Hz
Delay length
1.411 sec
0.709 Hz

Repeated delays

A repeated delay syncs with the beat after 16 delays = 13 bars

1 reps
13/16
1411 ms
2 reps
13/8
2.822 sec
3 reps
39/16
4.233 sec
4 reps
13/4
5.644 sec
5 reps
65/16
7.055 sec
6 reps
39/8
8.466 sec
7 reps
91/16
9.877 sec
8 reps
13/2
11.288 sec
9 reps
117/16
12.699 sec
10 reps
65/8
14.11 sec
11 reps
143/16
15.521 sec
12 reps
39/4
16.932 sec
13 reps
169/16
18.343 sec
14 reps
91/8
19.754 sec
15 reps
195/16
21.165 sec
16 reps
13
22.576 sec

Visualized

1 bar2 bars3 bars4 bars5 bar6 bars7 bars8 bars
♩♩♩♩♩♩♩♩
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

How to use this page

If you have a 135 BPM song, and you want a phase modulation of 4 beats (1 bar): that is 1777.6 ms
If you have a 128 BPM song, and you want an audio delay of 2/3 of a beat: this is 312.5 ms

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