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
145.5BPM
Beats per bar
3 beats
Delay fraction
15/16 bar

Converted to seconds

Length of 1 beat
0.412 sec
2.425 Hz
Length of 1 bar
1.237 sec
0.808 Hz
Delay length
1.16 sec
0.862 Hz

Repeated delays

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

1 reps
15/16
1159.8 ms
2 reps
15/8
2.32 sec
3 reps
45/16
3.479 sec
4 reps
15/4
4.639 sec
5 reps
75/16
5.799 sec
6 reps
45/8
6.959 sec
7 reps
105/16
8.119 sec
8 reps
15/2
9.278 sec
9 reps
135/16
10.438 sec
10 reps
75/8
11.598 sec
11 reps
165/16
12.758 sec
12 reps
45/4
13.917 sec
13 reps
195/16
15.077 sec
14 reps
105/8
16.237 sec
15 reps
225/16
17.397 sec
16 reps
15
18.557 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