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
128BPM
Beats per bar
4 beats
Delay fraction
2/3 bar

Converted to seconds

Length of 1 beat
0.469 sec
2.133 Hz
Length of 1 bar
1.875 sec
0.533 Hz
Delay length
1.25 sec
0.8 Hz

Repeated delays

A repeated delay syncs with the beat after 3 delays = 2 bars

1 reps
2/3
1250 ms
2 reps
4/3
2.5 sec
3 reps
2
3.75 sec

Visualized

1 bar2 bars3 bars4 bars
1 2 3

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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