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
3 beats
Delay fraction
13/16 bar

Converted to seconds

Length of 1 beat
0.444 sec
2.25 Hz
Length of 1 bar
1.333 sec
0.75 Hz
Delay length
1.083 sec
0.923 Hz

Repeated delays

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

1 reps
13/16
1083.3 ms
2 reps
13/8
2.167 sec
3 reps
39/16
3.25 sec
4 reps
13/4
4.333 sec
5 reps
65/16
5.417 sec
6 reps
39/8
6.5 sec
7 reps
91/16
7.583 sec
8 reps
13/2
8.667 sec
9 reps
117/16
9.75 sec
10 reps
65/8
10.833 sec
11 reps
143/16
11.916 sec
12 reps
39/4
13 sec
13 reps
169/16
14.083 sec
14 reps
91/8
15.166 sec
15 reps
195/16
16.25 sec
16 reps
13
17.333 sec

Visualized

1 bar2 bars3 bars4 bar5 bars6 bars7 bar8 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