Abstract / scope
Specifies methods for measuring the sound pressure levels on a measurement surface enveloping a sound source, and for calculating the sound power level produced by the source. May be used to perform acceptance tests.
Moteurs alternatifs à combustion interne — Mesurage du bruit aérien émis — Méthode d'expertise et méthode de contrôle
Specifies methods for measuring the sound pressure levels on a measurement surface enveloping a sound source, and for calculating the sound power level produced by the source. May be used to perform acceptance tests.