niveau de pression acoustique

Traductions

• anglais

  Auteur : Office québécois de la langue française, 1983

  Note :

  The decibel is basically a unit implying a given ratio between two powers. The sound pressure level, in decibels, is defined as 20 times the logarithm to the base 10 of the ratio of the pressure of this sound to a reference pressure. This reference pressure is taken arbitrarily to be 0.0002 dyne per square centimeter.

  Termes :

  1. sound pressure level
  2. SPL

  Terme associé :

  1. acoustic power level