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perceived noise decibel [1 record]

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Record 1 1986-05-23

English

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

A unit of perceived noise level.

CONT

PNdB, or perceived noise decibel, is a calculated decibel that attempts to measure annoyance in terms of "noisiness".

CONT

... corresponding to the scale of loudness level in phons, there has been established a scale of perceived noise levels in PNdB.

French

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

1 noy est la bruyance perçue d'un bruit dont le niveau de bruit perçu est 40 PNdB.

CONT

A cette pondération supplémentaire, correspond la notion de PNdB (Perceived Noise decibel ou décibel de bruit perçu), qui complique (...) sérieusement les calculs.

Spanish

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