TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
SOUND ATTENUATOR [5 records]
Record 1 - internal organization data 1999-10-18
Record 1, English
Record 1, Subject field(s)
- Noise Pollution
Record 1, Main entry term, English
- muffler
1, record 1, English, muffler
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- sound attenuator 2, record 1, English, sound%20attenuator
correct
- attenuator 2, record 1, English, attenuator
correct
- duct silencer 2, record 1, English, duct%20silencer
correct
- air silencer 3, record 1, English, air%20silencer
- silencer 4, record 1, English, silencer
correct
- sound trap 2, record 1, English, sound%20trap
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A device used to attenuate sound being propagated in conjunction with a moving stream of fluid (usually gas). 5, record 1, English, - muffler
Record number: 1, Textual support number: 1 CONT
There are two general classes of mufflers: dissipative and reactive. 2, record 1, English, - muffler
Record number: 1, Textual support number: 2 CONT
Units known as "sound attenuators", "sound traps", or "duct silencers" are available commercially for providing additional attenuation in a duct system... A sound attenuator... has three important characteristics...(1) insertion loss,(2) pressure drop, and(3) "self-noise".... 2, record 1, English, - muffler
Record 1, French
Record 1, Domaine(s)
- Pollution par le bruit
Record 1, Main entry term, French
- silencieux
1, record 1, French, silencieux
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- atténuateur acoustique 2, record 1, French, att%C3%A9nuateur%20acoustique
correct, masculine noun
- atténuateur 3, record 1, French, att%C3%A9nuateur
correct, masculine noun
- piège à sons 4, record 1, French, pi%C3%A8ge%20%C3%A0%20sons
correct, masculine noun
- piège à son 5, record 1, French, pi%C3%A8ge%20%C3%A0%20son
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Dispositif acoustique destiné à s'opposer plus ou moins complètement à la transmission ou au rayonnement du son. 6, record 1, French, - silencieux
Record number: 1, Textual support number: 1 CONT
Les atténuateurs sont [...] en général des éléments de conduite qui ne restituent à leur sortie qu'une partie du bruit présent à l'entrée : on dit qu'ils créent une «perte par insertion». Celle-ci est obtenue : soit par absorption [...] (les silencieux à absorption sont appelés, à ce titre, dissipatifs); soit par effet de résonance (atténuateurs réactifs) [...] 3, record 1, French, - silencieux
Record number: 1, Textual support number: 2 CONT
La transmission par l'air des bruits de ventilateurs est réduite en plaçant sur le parcours des gaines des silencieux, constitués par des matériaux absorbants revêtant intérieurement des éléments de conduits de formes diverses (conduits droits cloisonnés ou non, coudes, chicanes, chambres d'absorption). 7, record 1, French, - silencieux
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1987-09-28
Record 2, English
Record 2, Subject field(s)
- Audio Technology
Record 2, Main entry term, English
- graphic equalizer
1, record 2, English, graphic%20equalizer
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
... a variable equalizer used... [in sound production, transmission or recording systems]. The equalizer consists of two units : an amplifier and a group of resonant circuits; and a control panel containing a group of attenuator controls, with straightline characteristics, operating in conjunction with a panel designed to show the equalization graphically by the position of the equalizer controls. Each control permits a portion of the audio frequency spectrum to be increased or decreased 8 dB in steps of 1 dB. Frequencies of 63, 160, 400, 1000, 2500, and 6300 Hz have been selected to provide a balanced energy response in the intermediate frequencies. Because of the control panel design... [we can see] the amount of equalization graphically at all times; hence its name. 1, record 2, English, - graphic%20equalizer
Record number: 2, Textual support number: 1 OBS
Equalizer: [In most of domestic audio systems, it’s a] passive device designed to compensate for an undesired amplitude-frequency and/or phase-frequency characteristic of ... [the systems or their components]. 2, record 2, English, - graphic%20equalizer
Record 2, French
Record 2, Domaine(s)
- Électroacoustique
Record 2, Main entry term, French
- égaliseur graphique
1, record 2, French, %C3%A9galiseur%20graphique
correct, see observation, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- correcteur graphique 1, record 2, French, correcteur%20graphique
correct, masculine noun
- égalisateur graphique 2, record 2, French, %C3%A9galisateur%20graphique
avoid, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Égaliseur commandé par des curseurs modifiant chacun, en amplitude ou en phase, une fréquence déterminée du spectre. Les curseurs se déplaçant devant un panneau réglé, leur position permet en quelque sorte de "visualiser" la courbe d'égalisation. 1, record 2, French, - %C3%A9galiseur%20graphique
Record number: 2, Textual support number: 1 OBS
Égaliseur : Dispositif électrique, employé dans les systèmes de production, de transmission ou d'enregistrement du son pour obtenir une réponse en fréquence désirée, donnant généralement au signal électrique ou acoustique une intensité égale à toutes les fréquences d'une bande déterminée. 3, record 2, French, - %C3%A9galiseur%20graphique
Record number: 2, Textual support number: 2 OBS
L'usage a consacré les termes "égaliseur graphique" et "correcteur graphique", alors qu'il eût mieux valu parler d'égaliseur ou de correcteur "à graphique". Quant à "égalisateur", il n'a pas été officiellement reçu. 1, record 2, French, - %C3%A9galiseur%20graphique
Record number: 2, Textual support number: 3 OBS
La Commission électrotechnique internationale utilise "correcteur" de préférence à "égaliseur". 1, record 2, French, - %C3%A9galiseur%20graphique
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1986-06-27
Record 3, English
Record 3, Subject field(s)
- Acoustics (Physics)
Record 3, Main entry term, English
- insertion loss
1, record 3, English, insertion%20loss
correct
Record 3, Abbreviations, English
- IL 2, record 3, English, IL
correct
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
of a silencer or other reducing element, in a specified frequency band, the decrease in sound power level, measured at the location of the receiver, when a sound insulator or a sound attenuator is inserted in the transmission path between the source and the receiver. 1, record 3, English, - insertion%20loss
Record 3, French
Record 3, Domaine(s)
- Acoustique (Physique)
Record 3, Main entry term, French
- perte d'insertion
1, record 3, French, perte%20d%27insertion
feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
(d'un silencieux ou d'un autre élément insonorisant, à une bande de fréquence donnée) : affaiblissement du niveau de puissance acoustique mesuré au point où se trouve le récepteur, lorsqu'un isolateur ou atténuateur acoustique est placé dans la voie de transmission entre la source et le récepteur. 1, record 3, French, - perte%20d%27insertion
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1985-12-12
Record 4, English
Record 4, Subject field(s)
- Lighting
- Television (Radioelectricity)
Record 4, Main entry term, English
- fade time selector 1, record 4, English, fade%20time%20selector
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 OBS
"Master Control Module ... Two scene preset consoles with 32 manual overlapping submasters, dipless split handle crossfader, fade time selector, grand master, blackout switch, key switch, over temperature pilot indicator and electronic patch module." - context taken from a text called: "Television Studio Lighting and Control System (Project 700443)", submitted for terminological research purposes by A. Mandeville of the Plans and Specifications Section in Montreal. 1, record 4, English, - fade%20time%20selector
Record number: 4, Textual support number: 2 OBS
fader : A potentiometer, attenuator, or other device used to control sound, video, and lighting. 2, record 4, English, - fade%20time%20selector
Record 4, French
Record 4, Domaine(s)
- Éclairage
- Télévision (Radioélectricité)
Record 4, Main entry term, French
- potentiomètre de durée de fondu
1, record 4, French, potentiom%C3%A8tre%20de%20dur%C3%A9e%20de%20fondu
proposal, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 OBS
«Potentiomètre rond permettant de fixer la durée des fondus». 1, record 4, French, - potentiom%C3%A8tre%20de%20dur%C3%A9e%20de%20fondu
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1985-09-30
Record 5, English
Record 5, Subject field(s)
- Television (Radioelectricity)
Record 5, Main entry term, English
- diplexer filter
1, record 5, English, diplexer%20filter
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
A device used in a TV transmitter combining the functions of a sideband attenuator filter and a diplexer of the sound and picture transmissions. 1, record 5, English, - diplexer%20filter
Record 5, French
Record 5, Domaine(s)
- Télévision (Radioélectricité)
Record 5, Main entry term, French
- filtre diplexeur
1, record 5, French, filtre%20diplexeur
correct, masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record 5, Spanish
Record 5, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
Language Portal of Canada
![](/images/sujets-features/portail-portal.jpg)
Access a collection of Canadian resources on all aspects of English and French, including quizzes.
Writing tools
![](/images/sujets-features/Outils-daide-redaction_Promo-web-En-vedette.png)
The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies
![](/images/sujets-features/lexiques-glossaries.jpg)
Access Translation Bureau glossaries and vocabularies.
- Date Modified: