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
128BPM
Beats per bar
3 beats
Delay fraction
9/16 bar

Converted to seconds

Length of 1 beat
0.469 sec
2.133 Hz
Length of 1 bar
1.406 sec
0.711 Hz
Delay length
0.791 sec
1.264 Hz

Repeated delays

A repeated delay syncs with the beat after 16 delays = 9 bars

1 reps
9/16
791 ms
2 reps
9/8
1582.1 ms
3 reps
27/16
2.373 sec
4 reps
9/4
3.164 sec
5 reps
45/16
3.955 sec
6 reps
27/8
4.746 sec
7 reps
63/16
5.537 sec
8 reps
9/2
6.328 sec
9 reps
81/16
7.119 sec
10 reps
45/8
7.91 sec
11 reps
99/16
8.702 sec
12 reps
27/4
9.493 sec
13 reps
117/16
10.284 sec
14 reps
63/8
11.075 sec
15 reps
135/16
11.866 sec
16 reps
9
12.657 sec

Visualized

1 bar2 bars3 bars4 bar5 bars6 bars7 bar8 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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