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
145.9BPM
Beats per bar
4 beats
Delay fraction
9/16 bar

Converted to seconds

Length of 1 beat
0.411 sec
2.432 Hz
Length of 1 bar
1.645 sec
0.608 Hz
Delay length
0.925 sec
1.081 Hz

Repeated delays

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

1 reps
9/16
925.3 ms
2 reps
9/8
1850.6 ms
3 reps
27/16
2.776 sec
4 reps
9/4
3.701 sec
5 reps
45/16
4.627 sec
6 reps
27/8
5.552 sec
7 reps
63/16
6.477 sec
8 reps
9/2
7.403 sec
9 reps
81/16
8.328 sec
10 reps
45/8
9.253 sec
11 reps
99/16
10.178 sec
12 reps
27/4
11.104 sec
13 reps
117/16
12.029 sec
14 reps
63/8
12.954 sec
15 reps
135/16
13.88 sec
16 reps
9
14.805 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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