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
129.9BPM
Beats per bar
4 beats
Delay fraction
7/16 bar

Converted to seconds

Length of 1 beat
0.462 sec
2.165 Hz
Length of 1 bar
1.848 sec
0.541 Hz
Delay length
0.808 sec
1.237 Hz

Repeated delays

A repeated delay syncs with the beat after 16 delays = 7 bars

1 reps
7/16
808.3 ms
2 reps
7/8
1616.7 ms
3 reps
21/16
2.425 sec
4 reps
7/4
3.233 sec
5 reps
35/16
4.042 sec
6 reps
21/8
4.85 sec
7 reps
49/16
5.658 sec
8 reps
7/2
6.467 sec
9 reps
63/16
7.275 sec
10 reps
35/8
8.083 sec
11 reps
77/16
8.892 sec
12 reps
21/4
9.7 sec
13 reps
91/16
10.508 sec
14 reps
49/8
11.317 sec
15 reps
105/16
12.125 sec
16 reps
7
12.933 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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