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
135BPM
Beats per bar
4 beats
Delay fraction
5/12 bar

Converted to seconds

Length of 1 beat
0.444 sec
2.25 Hz
Length of 1 bar
1.778 sec
0.562 Hz
Delay length
0.741 sec
1.35 Hz

Repeated delays

A repeated delay syncs with the beat after 12 delays = 5 bars

1 reps
5/12
740.8 ms
2 reps
5/6
1481.5 ms
3 reps
5/4
2.222 sec
4 reps
5/3
2.963 sec
5 reps
25/12
3.704 sec
6 reps
5/2
4.445 sec
7 reps
35/12
5.185 sec
8 reps
10/3
5.926 sec
9 reps
15/4
6.667 sec
10 reps
25/6
7.408 sec
11 reps
55/12
8.148 sec
12 reps
5
8.889 sec

Visualized

1 bar2 bars3 bars4 bars5 bar6 bars7 bars8 bars
1 2 3 4 5 6 7 8 9 10 11 12

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

Music calculators & converters

Beats-per-minute
Convert BPM to Hz, bar length, fractions
Audio delay
Calculate audio delay length in msec
Music Frequency
Convert pitch to musical note and wavelength
Song length
Calculate song length from BPM
Music Scale
Generate scales with frequencies
Tap your tempo
Tap to find the BPM of a song or a heartbeat