Propagation of Sound

July 29, 2018 Nigel 0

The propagation of sound and the attenuation of sound in air. At distances large compared to the size of the source, sound intensity diminishes according to the inverse square law. This is relatively simple to [more…]

Sound Pressure Level

July 15, 2018 Nigel 0

When we measure noise level we normally measure the sound pressure level and express the result as something like 85dB(A) dB is an abbreviation of decibel – the sound pressure scale is vast and so [more…]