Sound Delay Calculator

Speaker delay timing from distance for outdoor performances.

Main PA to listener (m)

Delay speaker to listener (m)

Main PA to delay speaker (m)

Air temperature (°C)

Haas offset (ms)

Tab to move between fields

Required delay (ms)

82.8

Delay (samples @ 48kHz)

3,974

Delay (samples @ 44.1kHz)3,651

Delay (samples @ 96kHz)7,949

Speed of sound (m/s)343.42

Main PA travel time (ms)87.36

Delay spkr travel time (ms)14.56

Main PA SPL drop (dB)29.54

Wavelength at 100 Hz (m)3.43

Wavelength at 1 kHz (m)0.34

Main To Delay Time Ms72.8

Wavelength4k Hz0.09

How to Use This Calculator

Enter the distance from the main PA speakers to the listener position near the delay speaker (m).
Input the distance from the delay speaker to its nearest listeners (m).
Enter the distance from main PA to the delay speaker location (m).
Set the ambient air temperature (°C) so speed-of-sound is calculated accurately.
Review the Delay Time (ms) to program into your audio processor for time-aligned sound.

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