TERMIUM Plus®

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

PENTE COUPURE [1 record]

Record 1 2007-03-14

English

Subject field(s)
  • Acoustics (Physics)
DEF

The rate, expressed in dB [decibel] per octave, at which audio signals are attenuated as frequencies move into the crossover range.

OBS

A high attenuation rate, e.g. 24 dB/octave means that there is little interaction between adjacent loudspeaker drivers. Low attenuation rates, e.g. 6 dB/octave allow adjacent drivers to operate simulteneously over a wide frequency range.

French

Domaine(s)
  • Acoustique (Physique)
DEF

Facteur, exprimé en dB [décibel] par octave, auquel les signaux audio sont atténués à mesure que les fréquences entrent dans la plage de transfert. Un taux d'atténuation élevé, par exemple de 24 dB/octave, signifie qu'il y a peu d'interaction entre les moteurs de haut-parleur adjacents.

OBS

Un taux d'atténuation bas, par exemple de 6 dB/octave, permet aux moteurs de haut-parleur adjacents de fonctionner simultanément dans une plage de fréquences large.

Spanish

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