TERMIUM Plus®

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NOY [1 record]

Record 1 2015-03-18

English

Subject field(s)
  • Metrology and Units of Measure
  • Acoustics (Physics)
  • Noise Pollution
  • Air Transport
DEF

Unit of perceived noisiness ...

CONT

... corresponding to the scale of sones created to measure loudness, a scale of noys has been developed as a measure of the noisiness of jet aircraft noise in particular. Noys give more importance to the high-frequency bands of noise and less importance to the low-frequency bands than do sones.

OBS

[For example] for 10 noys, 20 noys, etc., replace equal-loudness contours.

French

Domaine(s)
  • Unités de mesure et métrologie
  • Acoustique (Physique)
  • Pollution par le bruit
  • Transport aérien
CONT

La bruyance en noys est une désignation numérique en relation avec le caractère gênant ou la nuisance d'un bruit [...] 1 noy est la bruyance d'un bruit dont le niveau de bruit perçu est 40 PNdB.

CONT

[...] Kryter [...] a proposé, vers 1960, pour les bruits à spectre étendu vers les fréquences aiguës, le «noy» en tant qu'unité de sonie.

Spanish

Campo(s) temático(s)
  • Metrología y unidades de medida
  • Acústica (Física)
  • Contaminación acústica
  • Transporte aéreo
OBS

Unidad subjetiva de la ruidosidad percibida.

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