TERMIUM Plus®

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LEQ METER [1 record]

Record 1 2000-01-26

English

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

A sound level meter capable of measuring the equivalent sound pressure level.

CONT

integrating sound level meter. Provides a direct measure of the sample equivalent continuous sound level Leq... The difference with a conventional sound level meter is that an integrating s.l.m. gives the same weight to all the earliest and latest parts of the signal, while a conventional one gives greater weight to the more recently occurring part of the sound signal than to the older parts.

OBS

integrating sound level meter: term and definition (a) 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

Leq meter should be written L subscript eq.

Key term(s)
  • integrating sound-level meter

French

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

Le sonomètre intégrateur ressemble à l'audiodosimètre. Il établit un niveau sonore équivalent sur une période d'enregistrement des bruits. La principale différence est qu'il ne marque pas l'exposition personnelle, puisqu'il est tenu à la main plutôt que d'être porté sur soi. Le sonomètre intégrateur établit les niveaux sonores équivalents en un endroit précis, sur un bruit donné, même si le niveau sonore réel de ce bruit varie continuellement. Cet instrument utilise un taux d'échange préprogrammé avec une constante temporelle équivalant au mode LENT du sonomètre ordinaire.

Spanish

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