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
81.9BPM
Beats per bar
4 beats
Delay fraction
13/16 bar

Converted to seconds

Length of 1 beat
0.733 sec
1.365 Hz
Length of 1 bar
2.93 sec
0.341 Hz
Delay length
2.381 sec
0.42 Hz

Repeated delays

A repeated delay syncs with the beat after 16 delays = 13 bars

1 reps
13/16
2.381 sec
2 reps
13/8
4.762 sec
3 reps
39/16
7.143 sec
4 reps
13/4
9.524 sec
5 reps
65/16
11.905 sec
6 reps
39/8
14.286 sec
7 reps
91/16
16.667 sec
8 reps
13/2
19.048 sec
9 reps
117/16
21.429 sec
10 reps
65/8
23.81 sec
11 reps
143/16
26.191 sec
12 reps
39/4
28.571 sec
13 reps
169/16
30.952 sec
14 reps
91/8
33.333 sec
15 reps
195/16
35.714 sec
16 reps
13
38.095 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

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