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
123.8BPM
Beats per bar
4 beats
Delay fraction
5/16 bar

Converted to seconds

Length of 1 beat
0.485 sec
2.063 Hz
Length of 1 bar
1.939 sec
0.516 Hz
Delay length
0.606 sec
1.651 Hz

Repeated delays

A repeated delay syncs with the beat after 16 delays = 5 bars

1 reps
5/16
605.8 ms
2 reps
5/8
1211.6 ms
3 reps
15/16
1817.4 ms
4 reps
5/4
2.423 sec
5 reps
25/16
3.029 sec
6 reps
15/8
3.635 sec
7 reps
35/16
4.241 sec
8 reps
5/2
4.847 sec
9 reps
45/16
5.452 sec
10 reps
25/8
6.058 sec
11 reps
55/16
6.664 sec
12 reps
15/4
7.27 sec
13 reps
65/16
7.876 sec
14 reps
35/8
8.481 sec
15 reps
75/16
9.087 sec
16 reps
5
9.693 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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