TERMIUM Plus®

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

C-WEIGHTING CURVE [1 record]

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Alphabetical list of terms

Record 1 2009-02-26

English

Subject field(s)
  • Acoustics (Physics)
  • Scientific Measurements and Analyses
CONT

Weighting filters try and give readings that roughly correspond to the way humans respond to sound. Sound pressure level measurements use weighting filters based on three curves: A, B and C. ... The B-weighting curve is used for [measuring] intermediate level sounds and has the same upper corner as the C-weighting, but the lower amplitude corner is 120 Hz. The A-weighting curve is used for measuring low level signals such as background noise.

French

Domaine(s)
  • Acoustique (Physique)
  • Mesures et analyse (Sciences)

Spanish

Campo(s) temático(s)
  • Acústica (Física)
  • Medición y análisis (Ciencias)
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