quantitykind:SoundPressureLevel

Type
Description

Sound pressure level ($$SPL$$) or sound level is a logarithmic measure of the effective sound pressure of a sound relative to a reference value. It is measured in decibels (dB) above a standard reference level.

Properties
$$L_P = 10 \log_{10} \frac{p^2}{p_0^2} dB$$, where $$p$$ is sound pressure and the reference value in airborne acoustics is $$p_0 = 20 \mu Pa$$.
Annotations
Sound pressure level ($$SPL$$) or sound level is a logarithmic measure of the effective sound pressure of a sound relative to a reference value. It is measured in decibels (dB) above a standard reference level.
Sound pressure level(en)
belongs to SOQ-ISO

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