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
86.8BPM
Beats per bar
4 beats
Delay fraction
15/16 bar

Converted to seconds

Length of 1 beat
0.691 sec
1.447 Hz
Length of 1 bar
2.765 sec
0.362 Hz
Delay length
2.592 sec
0.386 Hz

Repeated delays

A repeated delay syncs with the beat after 16 delays = 15 bars

1 reps
15/16
2.592 sec
2 reps
15/8
5.184 sec
3 reps
45/16
7.777 sec
4 reps
15/4
10.369 sec
5 reps
75/16
12.961 sec
6 reps
45/8
15.553 sec
7 reps
105/16
18.145 sec
8 reps
15/2
20.738 sec
9 reps
135/16
23.33 sec
10 reps
75/8
25.922 sec
11 reps
165/16
28.514 sec
12 reps
45/4
31.106 sec
13 reps
195/16
33.698 sec
14 reps
105/8
36.291 sec
15 reps
225/16
38.883 sec
16 reps
15
41.475 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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