TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
ECHELLE DECIBELS [1 record]
Record 1 - internal organization data 2011-04-11
Record 1, English
Record 1, Subject field(s)
- Acoustics (Physics)
- Wind Energy
Record 1, Main entry term, English
- decibel scale
1, record 1, English, decibel%20scale
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- dB scale 2, record 1, English, dB%20scale
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A logarithmic scale used to express the ratio of two like quantities proportional to power or energy. The ratio is expressed on the decibel scale by multiplying its common logarithm by 10. 3, record 1, English, - decibel%20scale
Record number: 1, Textual support number: 1 CONT
The loudness level is ... a measure of acoustic intensity on the decibel scale. 4, record 1, English, - decibel%20scale
Record 1, French
Record 1, Domaine(s)
- Acoustique (Physique)
- Énergie éolienne
Record 1, Main entry term, French
- échelle des décibels
1, record 1, French, %C3%A9chelle%20des%20d%C3%A9cibels
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Afin de réduire à un échelle plus commode la très vaste gamme de pressions acoustiques, on utilise l'échelle des décibels (dB). Les niveaux de pression acoustique exprimés en dB traduisent plus facilement les impressions de l'oreille humaine. Une modification du niveau de 10 dB correspond approximativement à doubler l'intensité perçue [...]. Sur l'échelle des décibels, un chuchotement à 2 m de distance aurait un niveau sonore d'environ 35 dB(A) alors que le niveau sonore moyen des bruits de fond dans un bureau serait d'environ 40 dB(A). Un marteau-perforateur à 15 m de distance peut engendrer un niveau sonore de 95 dB(A), alors que dans une discothèque les niveaux de bruit peuvent atteindre 110 dB(A). 2, record 1, French, - %C3%A9chelle%20des%20d%C3%A9cibels
Record 1, Key term(s)
- échelle dB
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Acústica (Física)
- Energía eólica
Record 1, Main entry term, Spanish
- escala de decibelios
1, record 1, Spanish, escala%20de%20decibelios
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
escala de decibelios: La escala de intensidad sonora en decibelios es una escala en dimensiones humanas. Si consideramos un sonido de f=500 Hz y de amplitud A = 10-8 m, la intensidad sonora es de I = 2´17 . 10-7 W/m², como vemos una potencia muy pequeña de diez. 1, record 1, Spanish, - escala%20de%20decibelios
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