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
Beats per bar
4 beats
Delay fraction
6/5 bar

Converted to seconds

Length of 1 beat
0.667 sec
1.5 Hz
Length of 1 bar
2.667 sec
0.375 Hz
Delay length
3.2 sec
0.312 Hz

Repeated delays

A repeated delay syncs with the beat after 5 delays = 6 bars

1 reps
3.2 sec
2 reps
6.4 sec
3 reps
9.6 sec
4 reps
12.8 sec
5 reps
16 sec


1 bar2 bars3 bars4 bars5 bar6 bars7 bars8 bars
1 2 3 4 5

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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