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
120.9BPM
Beats per bar
4 beats
Delay fraction
9/16 bar

Converted to seconds

Length of 1 beat
0.496 sec
2.015 Hz
Length of 1 bar
1.985 sec
0.504 Hz
Delay length
1.117 sec
0.896 Hz

Repeated delays

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

1 reps
9/16
1116.6 ms
2 reps
9/8
2.233 sec
3 reps
27/16
3.35 sec
4 reps
9/4
4.467 sec
5 reps
45/16
5.583 sec
6 reps
27/8
6.7 sec
7 reps
63/16
7.816 sec
8 reps
9/2
8.933 sec
9 reps
81/16
10.05 sec
10 reps
45/8
11.166 sec
11 reps
99/16
12.283 sec
12 reps
27/4
13.399 sec
13 reps
117/16
14.516 sec
14 reps
63/8
15.633 sec
15 reps
135/16
16.749 sec
16 reps
9
17.866 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