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
121BPM
Beats per bar
4 beats
Delay fraction
13/16 bar

Converted to seconds

Length of 1 beat
0.496 sec
2.017 Hz
Length of 1 bar
1.984 sec
0.504 Hz
Delay length
1.612 sec
0.621 Hz

Repeated delays

A repeated delay syncs with the beat after 16 delays = 13 bars

1 reps
13/16
1611.6 ms
2 reps
13/8
3.223 sec
3 reps
39/16
4.835 sec
4 reps
13/4
6.446 sec
5 reps
65/16
8.058 sec
6 reps
39/8
9.67 sec
7 reps
91/16
11.281 sec
8 reps
13/2
12.893 sec
9 reps
117/16
14.504 sec
10 reps
65/8
16.116 sec
11 reps
143/16
17.728 sec
12 reps
39/4
19.339 sec
13 reps
169/16
20.951 sec
14 reps
91/8
22.562 sec
15 reps
195/16
24.174 sec
16 reps
13
25.786 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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