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
138BPM
Beats per bar
4 beats
Delay fraction
15/16 bar

Converted to seconds

Length of 1 beat
0.435 sec
2.3 Hz
Length of 1 bar
1.739 sec
0.575 Hz
Delay length
1.63 sec
0.613 Hz

Repeated delays

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

1 reps
15/16
1630.4 ms
2 reps
15/8
3.261 sec
3 reps
45/16
4.891 sec
4 reps
15/4
6.522 sec
5 reps
75/16
8.152 sec
6 reps
45/8
9.782 sec
7 reps
105/16
11.413 sec
8 reps
15/2
13.043 sec
9 reps
135/16
14.674 sec
10 reps
75/8
16.304 sec
11 reps
165/16
17.935 sec
12 reps
45/4
19.565 sec
13 reps
195/16
21.195 sec
14 reps
105/8
22.826 sec
15 reps
225/16
24.456 sec
16 reps
15
26.087 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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