Glossary ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Below are defined some terms or acronyms used in this documentation: * LAeq : A-weighted Leq sound level. * Lday : LAeq during the day (6h-18h) * Lden : LAeq over a whole day (day-evening-night) * Leq : equivalent continuous sound level (in *dB*) having the same total sound energy as the fluctuating level measured * Levening : LAeq during the evening (18h-22h) * Lnight : LAeq during the night (22h-6h)