TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

A-scale [1 record]

Record 1 1987-09-18

English

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

[a scale of loudness] which incorporates a frequency-weighting network approximating the variation of ear sensitivity with frequency to tones of 40-dB sound pressure level.

CONT

The A scale ... gives extra weight to the higher frequencies.

French

Domaine(s)
  • Acoustique (Physique)
  • Électroacoustique
  • Pollution par le bruit
CONT

Suivant la caractéristique adoptée pour la réponse en fréquence de l'appareil de mesure, on distingue habituellement (...) la mesure en pondération A ou mesure en dB(A).

Spanish

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