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
129.9BPM
Beats per bar
4 beats
Delay fraction
3/16 bar

Converted to seconds

Length of 1 beat
0.462 sec
2.165 Hz
Length of 1 bar
1.848 sec
0.541 Hz
Delay length
0.346 sec
2.887 Hz

Repeated delays

A repeated delay syncs with the beat after 16 delays = 3 bars

1 reps
3/16
346.4 ms
2 reps
3/8
692.9 ms
3 reps
9/16
1039.3 ms
4 reps
3/4
1385.7 ms
5 reps
15/16
1732.1 ms
6 reps
9/8
2.079 sec
7 reps
21/16
2.425 sec
8 reps
3/2
2.771 sec
9 reps
27/16
3.118 sec
10 reps
15/8
3.464 sec
11 reps
33/16
3.811 sec
12 reps
9/4
4.157 sec
13 reps
39/16
4.504 sec
14 reps
21/8
4.85 sec
15 reps
45/16
5.196 sec
16 reps
3
5.543 sec

Visualized

1 bar2 bars3 bars4 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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