Description: The sound pressure level of a sound in decibels is 20 times the logarithm to the base 10 of the ratio of the measured effective sound pressure of this sound to a reference effective sound pressure.; Name: acoustic pressure level
Description: Ten times the logarithm to the base 10 of the ratio of the square of the sound pressure, p, to the square of a reference value, p0, expressed in decibels; Name: Sound pressure level
Description: The specifying designation (type name, type code, abbreviated name, article number) for distinguishing by type and size or design (variant) of the used product/material; Name: Type description