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
5/16 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
0.916 sec
1.092 Hz

Repeated delays

A repeated delay syncs with the beat after 16 delays = 5 bars

1 reps
5/16
915.8 ms
2 reps
5/8
1831.5 ms
3 reps
15/16
2.747 sec
4 reps
5/4
3.663 sec
5 reps
25/16
4.579 sec
6 reps
15/8
5.495 sec
7 reps
35/16
6.41 sec
8 reps
5/2
7.326 sec
9 reps
45/16
8.242 sec
10 reps
25/8
9.158 sec
11 reps
55/16
10.073 sec
12 reps
15/4
10.989 sec
13 reps
65/16
11.905 sec
14 reps
35/8
12.821 sec
15 reps
75/16
13.736 sec
16 reps
5
14.652 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