TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
BANDE 1/3 OCTAVE [1 record]
Record 1 - internal organization data 1999-09-30
Record 1, English
Record 1, Subject field(s)
- Acoustics (Physics)
- Audio Technology
Record 1, Main entry term, English
- third-octave band
1, record 1, English, third%2Doctave%20band
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- one-third-octave band 2, record 1, English, one%2Dthird%2Doctave%20band
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Various methods are available for estimating loudness of complex sounds from their sound pressure levels in octave, half-octave, or third-octave bands. ... Rules have been established for converting sound pressure level measured in octave bands, half-octave bands and third-octave bands into noys and then into PNdB. 1, record 1, English, - third%2Doctave%20band
Record 1, French
Record 1, Domaine(s)
- Acoustique (Physique)
- Électroacoustique
Record 1, Main entry term, French
- bande de fréquences de tiers d'octave
1, record 1, French, bande%20de%20fr%C3%A9quences%20de%20tiers%20d%27octave
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- bande de tiers d'octave 1, record 1, French, bande%20de%20tiers%20d%27octave
correct, feminine noun
- bande de 1/3 d'octave 2, record 1, French, bande%20de%201%2F3%20d%27octave
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Il arrive que l'analyse par octave ne donne pas de résultats suffisamment précis, étant donné que chaque octave est affectée d'un seul chiffre correspondant au niveau de pression acoustique global dans l'octave. [...] Aussi on utilise [...] la possibilité de faire une analyse plus fine par bandes de tiers d'octave. Cela revient à découper l'intervalle d'octave en trois parties égales sur l'échelle logarithmique des fréquences. 3, record 1, French, - bande%20de%20fr%C3%A9quences%20de%20tiers%20d%27octave
Record number: 1, Textual support number: 2 CONT
Un analyseur de spectre dans votre PC [...] La calibration en fréquence du signal à partir d'un fichier configurable permet un étalonnage précis de l'acquisition. La génération de signaux (bruit blanc, rose, dent de scie, carré, impulsion de Dirac, sinusoïdal, etc.), les pondérations usuelles (A, B, C, Lin) et la recomposition par bandes de 1/3 d'octave font de cet outil un précieux auxiliaire pour les mesures acoustiques en complément d'un sonomètre. 2, record 1, French, - bande%20de%20fr%C3%A9quences%20de%20tiers%20d%27octave
Record 1, Key term(s)
- bande de fréquences de 1/3 d'octave
Record 1, Spanish
Record 1, Textual support, Spanish
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