TERMIUM Plus®

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SOUND-POWER LEVEL [1 record]

Record 1 2010-04-15

English

Subject field(s)
  • Acoustics (Physics)
  • Audio Technology
DEF

For airborne sound, ten times the common logarithm of the ratio of the sound power under consideration to the standard reference power of 1 pW [that] is expressed in decibels.

OBS

sound power level: when not otherwise qualified, the term denotes flat weighted sound power level.

OBS

sound power level: term standardized by the CSA. Material reproduced with the permission of the copyright holder, the Canadian Standards Association (CSA), 178 Rexdale Blvd., Toronto, Ontario, Canada M9W 1R3. However, CSA shall not be responsible for the manner in which the information is presented, nor for any interpretations thereof. This CSA material may not have been updated to reflect amendments subsequently made to the original content. For further information, contact CSA.

OBS

sound power level: term recommended by ISO.

Key term(s)
  • flatweighted sound power level

French

Domaine(s)
  • Acoustique (Physique)
  • Électroacoustique
DEF

Dix fois le logarithme décimal du rapport d'une puissance acoustique de référence (1 pW). Il s'exprime en décibels. [Définition normalisée par l'AFNOR et reproduite avec son autorisation].

OBS

niveau de puissance acoustique : terme normalisé par l'AFNOR et recommandé par l'ISO.

Key term(s)
  • niveau de puissance sonore

Spanish

Campo(s) temático(s)
  • Acústica (Física)
  • Electroacústica
DEF

Valor en decibelios igual a 10 veces en logaritmo en base 10 de la razón entre la potencia sonora radiada y una potencia de referencia.

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