dBx Jargon Buster - A-Weighting (dBA)

Welcome to the dBx Acoustics jargon buster! In this section, we list some common acoustic terms as well as standards and guidance you may be asked to comply with. If there’s something you need to know that we haven’t covered here, please let us know.

A-Weighting (dBA)

An A-weighting is a correction applied to the individual frequency bands measured, to provide a single figure which represents the relative loudness of sound perceived by the human ear. A noise level presented in terms of dBA has been A-weighted.