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
120BPM
Beats per bar
4 beats
Delay fraction
2/16 bar

Converted to seconds

Length of 1 beat
0.5 sec
2 Hz
Length of 1 bar
2 sec
0.5 Hz
Delay length
0.25 sec
4 Hz

Repeated delays

A repeated delay syncs with the beat after 8 delays = 1 bars

1 reps
1/8
250 ms
2 reps
1/4
500 ms
3 reps
3/8
750 ms
4 reps
1/2
1000 ms
5 reps
5/8
1250 ms
6 reps
3/4
1500 ms
7 reps
7/8
1750 ms
8 reps
1
2000 ms

Visualized

1 bar2 bars3 bars4 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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