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
78.3BPM
Beats per bar
4 beats
Delay fraction
15/16 bar

Converted to seconds

Length of 1 beat
0.766 sec
1.305 Hz
Length of 1 bar
3.065 sec
0.326 Hz
Delay length
2.874 sec
0.348 Hz

Repeated delays

A repeated delay syncs with the beat after 16 delays = 15 bars

1 reps
15/16
2.874 sec
2 reps
15/8
5.747 sec
3 reps
45/16
8.621 sec
4 reps
15/4
11.494 sec
5 reps
75/16
14.368 sec
6 reps
45/8
17.241 sec
7 reps
105/16
20.115 sec
8 reps
15/2
22.988 sec
9 reps
135/16
25.862 sec
10 reps
75/8
28.735 sec
11 reps
165/16
31.609 sec
12 reps
45/4
34.482 sec
13 reps
195/16
37.356 sec
14 reps
105/8
40.229 sec
15 reps
225/16
43.103 sec
16 reps
15
45.977 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