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
129BPM
Beats per bar
4 beats
Delay fraction
9/16 bar

Converted to seconds

Length of 1 beat
0.465 sec
2.15 Hz
Length of 1 bar
1.861 sec
0.537 Hz
Delay length
1.047 sec
0.956 Hz

Repeated delays

A repeated delay syncs with the beat after 16 delays = 9 bars

1 reps
9/16
1046.5 ms
2 reps
9/8
2.093 sec
3 reps
27/16
3.14 sec
4 reps
9/4
4.186 sec
5 reps
45/16
5.233 sec
6 reps
27/8
6.279 sec
7 reps
63/16
7.326 sec
8 reps
9/2
8.372 sec
9 reps
81/16
9.419 sec
10 reps
45/8
10.465 sec
11 reps
99/16
11.512 sec
12 reps
27/4
12.558 sec
13 reps
117/16
13.605 sec
14 reps
63/8
14.651 sec
15 reps
135/16
15.698 sec
16 reps
9
16.745 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