TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
DIAPHRAGMATIC ABSORBER [2 records]
Record 1 - internal organization data 2007-01-13
Record 1, English
Record 1, Subject field(s)
- Audio Technology
Record 1, Main entry term, English
- diaphragmatic absorber
1, record 1, English, diaphragmatic%20absorber
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- membrane absorber 1, record 1, English, membrane%20absorber
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A sound absorber that removes energy from a sound field by making it do work, moving a surface. 2, record 1, English, - diaphragmatic%20absorber
Record number: 1, Textual support number: 1 OBS
[Diaphragmatic absorbers are] most effective at low frequencies. Vibrations in walls, floors, ceilings, windows, etc. are all indications of diaphragmatic absorption at work. 2, record 1, English, - diaphragmatic%20absorber
Record 1, French
Record 1, Domaine(s)
- Électroacoustique
Record 1, Main entry term, French
- absorbeur à membrane
1, record 1, French, absorbeur%20%C3%A0%20membrane
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- absorbeur à diaphragme 2, record 1, French, absorbeur%20%C3%A0%20diaphragme
correct, masculine noun
- résonateur à diaphragme 3, record 1, French, r%C3%A9sonateur%20%C3%A0%20diaphragme
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Absorbeur de son qui retire l'énergie d'un champ sonore en lui faisant déplacer une surface. 4, record 1, French, - absorbeur%20%C3%A0%20membrane
Record number: 1, Textual support number: 1 OBS
[L'absorbeur à membrane est] le plus efficace aux fréquences basses. Les vibrations dans les murs, sols, plafonds, fenêtres, etc. sont des indications [des effets] de l'absorption à membrane [...] 4, record 1, French, - absorbeur%20%C3%A0%20membrane
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2007-01-13
Record 2, English
Record 2, Subject field(s)
- Building Insulation and Acoustical Design
- Acoustics (Physics)
Record 2, Main entry term, English
- diaphragmatic absorber
1, record 2, English, diaphragmatic%20absorber
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
Materials that flex under sound pressures and vibrate as a diaphragm, dissipating acoustic energy within their structure as heat and mechanical energy of vibration. 2, record 2, English, - diaphragmatic%20absorber
Record 2, French
Record 2, Domaine(s)
- Isolation et acoustique architecturale
- Acoustique (Physique)
Record 2, Main entry term, French
- membrane absorbante
1, record 2, French, membrane%20absorbante
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- membrane vibrante 2, record 2, French, membrane%20vibrante
correct, feminine noun
- matériau à membrane 3, record 2, French, mat%C3%A9riau%20%C3%A0%20membrane
correct, masculine noun
- matériau à membrane tendue 3, record 2, French, mat%C3%A9riau%20%C3%A0%20membrane%20tendue
correct, masculine noun
- matériau à base de membrane vibrante 4, record 2, French, mat%C3%A9riau%20%C3%A0%20base%20de%20membrane%20vibrante
correct, masculine noun
- membrane fléchissante 5, record 2, French, membrane%20fl%C3%A9chissante
feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
[...] matériaux [...] dans lesquels l'énergie acoustique est transformée, en partie, en énergie cinétique par la mise en résonance du matériau [...] 3, record 2, French, - membrane%20absorbante
Record number: 2, Textual support number: 1 CONT
Quand les sons de basses fréquences doivent être absorbés, il faut utiliser un type de système absorbant accordé spécifiquement pour ceux-ci. La figure 3 illustre l'absorption que l'on peut obtenir avec une membrane absorbante consistant en un panneau mince renfermant une lame d'air. Il s'agit d'un système résonant simple où la masse surfacique du panneau et la rigidité de la lame d'air déterminent la fréquence à laquelle l'absorption est maximale. Lorsque l'épaisseur de la lame d'air augmente, sa rigidité réelle diminue. 1, record 2, French, - membrane%20absorbante
Record 2, Spanish
Record 2, Textual support, Spanish
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