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- treoireacht Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- directivity
- en
- Definition measure of the directional characteristic of a sound source indicating how much of the total energy from the source is radiating in a particular direction Reference "COM-Term. Coord., based on:McSquared System Design Group, Inc., Directivity http://www.mcsquared.com/directvt.htm [6.6.2014] ; and Wikipedia, Directivity http://en.wikipedia.org/wiki/Directivity#In_other_fields [6.6.2014]"
- Comment Directivity is often expressed as a (dimensionless) directivity factor, Q, describing the angular dependence of the sound intensity, or as a directivity index, the expression of the directivity factor in decibels (dB)
- directivité
- fr
- Definition direction de rayonnement acoustique d’une source sonore Reference "COM-FR, d’après un document de l'INRS, «La série de normes EN ISO 1120 – Détermination du niveau de pression acoustique d’émission au poste de travail des machines industrielles», J. Jacques, http://www.inrs.fr/inrs-pub/inrs01.Nsf/26DD4B1C6BB892A4C125701F00413868/$File/nd2035.pdf [5.9.2014]"