Lden definition
Lden means day-evening-night noise indicator, which is the noise indicator for overall annoyance as further defined in Annex I of Directive 2002/49 of the European Parliament and of the Council of 25th June 2002 relating to the assessment and management of environmental noise F9;
Examples of Lden in a sentence
The maps are to use a new noise index, Lden, which seeks to give a measure of likely community annoyance to the combination of noise sources experienced during the day, evening and night.