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
146.2BPM
Beats per bar
4 beats
Delay fraction
9/16 bar

Converted to seconds

Length of 1 beat
0.41 sec
2.437 Hz
Length of 1 bar
1.642 sec
0.609 Hz
Delay length
0.923 sec
1.083 Hz

Repeated delays

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

1 reps
9/16
923.4 ms
2 reps
9/8
1846.8 ms
3 reps
27/16
2.77 sec
4 reps
9/4
3.694 sec
5 reps
45/16
4.617 sec
6 reps
27/8
5.54 sec
7 reps
63/16
6.464 sec
8 reps
9/2
7.387 sec
9 reps
81/16
8.311 sec
10 reps
45/8
9.234 sec
11 reps
99/16
10.157 sec
12 reps
27/4
11.081 sec
13 reps
117/16
12.004 sec
14 reps
63/8
12.928 sec
15 reps
135/16
13.851 sec
16 reps
9
14.774 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