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
121.2BPM
Beats per bar
4 beats
Delay fraction
14/16 bar

Converted to seconds

Length of 1 beat
0.495 sec
2.02 Hz
Length of 1 bar
1.98 sec
0.505 Hz
Delay length
1.733 sec
0.577 Hz

Repeated delays

A repeated delay syncs with the beat after 8 delays = 7 bars

1 reps
7/8
1732.7 ms
2 reps
7/4
3.465 sec
3 reps
21/8
5.198 sec
4 reps
7/2
6.931 sec
5 reps
35/8
8.663 sec
6 reps
21/4
10.396 sec
7 reps
49/8
12.129 sec
8 reps
7
13.861 sec

Visualized

1 bar2 bars3 bars4 bars5 bar6 bars7 bars8 bars
♩♩♩♩♩♩♩♩
1 2 3 4 5 6 7 8

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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