TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
INCIDENT SOUND [17 records]
Record 1 - internal organization data 2011-03-09
Record 1, English
Record 1, Subject field(s)
- Acoustics (Physics)
Record 1, Main entry term, English
- coincidence frequency
1, record 1, English, coincidence%20frequency
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The frequency at which a sound wave incident upon a surface has a projected wavelength equal to the length of the bending wave excited in the surface material. The effect of this "trace matching" is a marked reduction in the sound transmission loss in the frequency region in which this occurs. The frequency is a function of the angle at which the sound impinges on the surface, the surface weight, and bending stiffness of the surface. 2, record 1, English, - coincidence%20frequency
Record 1, French
Record 1, Domaine(s)
- Acoustique (Physique)
Record 1, Main entry term, French
- fréquence de coïncidence
1, record 1, French, fr%C3%A9quence%20de%20co%C3%AFncidence
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- fréquence critique 2, record 1, French, fr%C3%A9quence%20critique
feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Les pertes de transmission du son par les cloisons et les planchers dépendent également de la rigidité. Les courbes des pertes de transmission de son pour les matériaux rigides présentent des creux à certaines fréquences par rapport aux pertes calculées selon la loi de masse. Cet effet dit de coïncidence entraîne souvent un ITS plus faible. Les matériaux peu rigides comme les feuilles de plomb n'ont pas de creux de coïncidence. Les fréquences de coïncidence des différents matériaux se produisent dans diverses parties du spectre acoustique, parfois en dehors de la gamme normale utilisée en acoustique du bâtiment. 2, record 1, French, - fr%C3%A9quence%20de%20co%C3%AFncidence
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2010-08-25
Record 2, English
Record 2, Subject field(s)
- Acoustics (Physics)
- Building Insulation and Acoustical Design
Record 2, Main entry term, English
- Sabine absorption coefficient
1, record 2, English, Sabine%20absorption%20coefficient
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- Sabine coefficient 2, record 2, English, Sabine%20coefficient
correct
- Sabin coefficient 3, record 2, English, Sabin%20coefficient
see observation
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The absorption coefficient of a material is ideally the fraction of the randomly incident sound power which is absorbed, or otherwise not reflected. It can be determined in two main ways, and there are often variations in the results depending upon the method of measurement chosen. It is standard practice to measure the coefficient at the preferred octave frequencies over the range of at least 125 Hz-4 kHz. For the purposes of architectural design, the Sabine coefficient(calculated from reverberation chamber measurement) is preferred. Interestingly, some absorbent materials are found to have a Sabine coefficient in excess of unity at higher frequencies. This is due to edge effects and, when this occurs, the value can be taken as 1. 0. 4, record 2, English, - Sabine%20absorption%20coefficient
Record number: 2, Textual support number: 1 OBS
Reverberation Time. This formula was developed by W.C. Sabin in the late 19th century. The Sabin unit is a measurement of absorption in the range 0 to 1, an absorption coefficient of 0 indicates a material that reflects sound totally, and a coefficient of 1, a material that adsorbs sound totally. 3, record 2, English, - Sabine%20absorption%20coefficient
Record number: 2, Textual support number: 2 OBS
The name "Sabin" (written without an "e") is probably misspelled. 5, record 2, English, - Sabine%20absorption%20coefficient
Record 2, French
Record 2, Domaine(s)
- Acoustique (Physique)
- Isolation et acoustique architecturale
Record 2, Main entry term, French
- facteur de Sabine
1, record 2, French, facteur%20de%20Sabine
correct, masculine noun, standardized
Record 2, Abbreviations, French
Record 2, Synonyms, French
- coefficient de Sabine 2, record 2, French, coefficient%20de%20Sabine
see observation, masculine noun
- coefficient d'absorption de Sabine 3, record 2, French, coefficient%20d%27absorption%20de%20Sabine
see observation, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Rapport de l'aire d'absorption attribuée à une surface en utilisant la formule de Sabine à l'aire de cette surface. [Terme et définition normalisés par l'AFNOR et reproduits avec son autorisation.] 4, record 2, French, - facteur%20de%20Sabine
Record number: 2, Textual support number: 1 CONT
L'absorption à une fréquence déterminée est définie par le facteur ou coefficient d'absorption qui est le rapport de l'énergie sonore absorbée par une surface S du matériau à l'énergie qui vient la frapper. Il ne faut pas confondre ce coefficient d'absorption avec le coefficient de Sabine obtenu par des mesures d'absorption faites en salles réverbérantes. 5, record 2, French, - facteur%20de%20Sabine
Record number: 2, Textual support number: 1 OBS
Le terme «coefficient de Sabine» est déconseillé. 4, record 2, French, - facteur%20de%20Sabine
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2007-03-11
Record 3, English
Record 3, Subject field(s)
- Acoustics (Physics)
- Building Insulation and Acoustical Design
Record 3, Main entry term, English
- incident sound intensity
1, record 3, English, incident%20sound%20intensity
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- incident intensity 2, record 3, English, incident%20intensity
Record 3, French
Record 3, Domaine(s)
- Acoustique (Physique)
- Isolation et acoustique architecturale
Record 3, Main entry term, French
- intensité acoustique incidente
1, record 3, French, intensit%C3%A9%20acoustique%20incidente
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- intensité incidente 2, record 3, French, intensit%C3%A9%20incidente
correct, feminine noun
Record 3, Textual support, French
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2007-01-15
Record 4, English
Record 4, Subject field(s)
- Acoustics (Physics)
- Building Insulation and Acoustical Design
Record 4, Main entry term, English
- normal incident absorption
1, record 4, English, normal%20incident%20absorption
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
- normal incident sound absorption 2, record 4, English, normal%20incident%20sound%20%20absorption
correct
- normal incidence sound absorption 3, record 4, English, normal%20incidence%20sound%20absorption
correct
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
The measured fraction of the acoustic intensity that is absorbed by a material, when the wave trajectory is perpendicular to the material surface (or when the angle of incidence and the angle of reflection are coincident.) 4, record 4, English, - normal%20incident%20absorption
Record 4, French
Record 4, Domaine(s)
- Acoustique (Physique)
- Isolation et acoustique architecturale
Record 4, Main entry term, French
- absorption à incidence normale
1, record 4, French, absorption%20%C3%A0%20incidence%20normale
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Fraction de l'intensité sonore absorbée par un matériau, quand la trajectoire de l'onde est perpendiculaire à la surface du matériau (ou quand l'angle d'incidence et l'angle de réflexion sont confondus). 2, record 4, French, - absorption%20%C3%A0%20incidence%20normale
Record number: 4, Textual support number: 1 OBS
[L'absorption à incidence normale] se mesure au tube à impédance (ou tube de Kundt). 2, record 4, French, - absorption%20%C3%A0%20incidence%20normale
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2007-01-15
Record 5, English
Record 5, Subject field(s)
- Acoustics (Physics)
- Building Insulation and Acoustical Design
Record 5, Main entry term, English
- primitive root diffuser
1, record 5, English, primitive%20root%20diffuser
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
Primitive Root Diffuser. Designed utilizing modulated prime root number theory, the math shows us that the reflected energies will be equal in all the diffraction directions, yielding an even sound redistribution pattern... Its special performance feature is that it virtually eliminates the specular component of the incident sound wave. This means that in terms of creating a sense of spaciousness, while supporting imaging, there is no equal. 1, record 5, English, - primitive%20root%20diffuser
Record 5, French
Record 5, Domaine(s)
- Acoustique (Physique)
- Isolation et acoustique architecturale
Record 5, Main entry term, French
- diffuseur à racine primitive
1, record 5, French, diffuseur%20%C3%A0%20racine%20primitive
correct, masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
Diffuseur cellulaire possédant un facteur de proportionnalité qui est obtenu par multiplication du modulo d'un nombre premier par la racine primitive de ce nombre, élevée à la puissance de la position de la cellule. 2, record 5, French, - diffuseur%20%C3%A0%20racine%20primitive
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 2005-05-19
Record 6, English
Record 6, Subject field(s)
- Building Insulation and Acoustical Design
- Noise Pollution
Record 6, Main entry term, English
- airborne sound transmission
1, record 6, English, airborne%20sound%20transmission
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
- sound transmission through the air 2, record 6, English, sound%20transmission%20through%20the%20air
correct
Record 6, Textual support, English
Record number: 6, Textual support number: 1 DEF
Sound transmitted when a surface is set into vibration by the alternating air pressures of incident sound waves. 3, record 6, English, - airborne%20sound%20transmission
Record number: 6, Textual support number: 1 CONT
Airborne Sound Transmission. A sound source in a room sets the air into vibration. The vibrating air causes any barrier it touches (partitions, floors, ceilings, etc.) to vibrate; the vibrating barrier, in turn, sets into vibration the air on the opposite side of the barrier .... 4, record 6, English, - airborne%20sound%20transmission
Record 6, French
Record 6, Domaine(s)
- Isolation et acoustique architecturale
- Pollution par le bruit
Record 6, Main entry term, French
- transmission des bruits aériens
1, record 6, French, transmission%20des%20bruits%20a%C3%A9riens
correct, feminine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
- transmission du bruit par la voie aérienne 2, record 6, French, transmission%20du%20bruit%20par%20la%20voie%20a%C3%A9rienne
correct, feminine noun
- transmission du bruit par voie aérienne 3, record 6, French, transmission%20du%20bruit%20par%20voie%20a%C3%A9rienne
correct, feminine noun
- transmission sonore des bruits aériens 4, record 6, French, transmission%20sonore%20des%20bruits%20a%C3%A9riens
correct, feminine noun
- transmission du son par voie aérienne 5, record 6, French, transmission%20du%20son%20par%20voie%20a%C3%A9rienne
proposal, feminine noun
Record 6, Textual support, French
Record number: 6, Textual support number: 1 CONT
Il est recommandé de poser un matériau absorbant à l'intérieur des caissons de stores afin de lutter contre la transmission des bruits aériens d'une classe à l'autre (effet de téléphone). 6, record 6, French, - transmission%20des%20bruits%20a%C3%A9riens
Record number: 6, Textual support number: 2 CONT
L'indice de transmission sonore (I.T.S.) des bruits aériens et l'indice d'isolement aux chocs (I.I.C.) sont mesurés en décibels. Ils permettent de classifier l'atténuation moyenne des bruits. 4, record 6, French, - transmission%20des%20bruits%20a%C3%A9riens
Record number: 6, Textual support number: 1 OBS
Les formes de la transmission du son dans les bâtiments [...] sont multiples. [...] Modes de transmission à partir de la source. a) Voie aérienne : le son est rayonné directement par la source dans l'air qui l'environne. 7, record 6, French, - transmission%20des%20bruits%20a%C3%A9riens
Record 6, Spanish
Record 6, Campo(s) temático(s)
- Aislamiento y acústica arquitectónicos
- Contaminación acústica
Record 6, Main entry term, Spanish
- transmisión de ruido aéreo
1, record 6, Spanish, transmisi%C3%B3n%20de%20ruido%20a%C3%A9reo
correct, feminine noun
Record 6, Abbreviations, Spanish
Record 6, Synonyms, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 2003-10-31
Record 7, English
Record 7, Subject field(s)
- Scientific Measurements and Analyses
- Acoustics (Physics)
- Building Insulation and Acoustical Design
Record 7, Main entry term, English
- acoustic reflectivity
1, record 7, English, acoustic%20reflectivity
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
- acoustic reflexion coefficient 2, record 7, English, acoustic%20reflexion%20coefficient
correct
- sound reflexion coefficient 3, record 7, English, sound%20reflexion%20coefficient
correct
- acoustical reflectivity 4, record 7, English, acoustical%20reflectivity
Record 7, Textual support, English
Record number: 7, Textual support number: 1 DEF
Ratio of the rate of flow of sound energy reflected from a surface, on the side of incidence, to the incident rate of flow. 1, record 7, English, - acoustic%20reflectivity
Record 7, French
Record 7, Domaine(s)
- Mesures et analyse (Sciences)
- Acoustique (Physique)
- Isolation et acoustique architecturale
Record 7, Main entry term, French
- réflectance acoustique
1, record 7, French, r%C3%A9flectance%20acoustique
correct, feminine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
- coefficient de réflexion acoustique 2, record 7, French, coefficient%20de%20r%C3%A9flexion%20acoustique
correct, masculine noun
Record 7, Textual support, French
Record number: 7, Textual support number: 1 DEF
Pour une surface [...] rapport du flux d'énergie acoustique réfléchi par la surface du côté de l'incidence au flux d'énergie incident (c'est donc le complément à 1 de l'absorptance acoustique). 1, record 7, French, - r%C3%A9flectance%20acoustique
Record 7, Spanish
Record 7, Campo(s) temático(s)
- Medición y análisis (Ciencias)
- Acústica (Física)
- Aislamiento y acústica arquitectónicos
Record 7, Main entry term, Spanish
- coeficiente de reflexión acústica
1, record 7, Spanish, coeficiente%20de%20reflexi%C3%B3n%20ac%C3%BAstica
correct, masculine noun
Record 7, Abbreviations, Spanish
Record 7, Synonyms, Spanish
Record 7, Textual support, Spanish
Record number: 7, Textual support number: 1 DEF
Coeficiente que expresa la reflectancia del sonido. 1, record 7, Spanish, - coeficiente%20de%20reflexi%C3%B3n%20ac%C3%BAstica
Record 8 - internal organization data 2003-02-20
Record 8, English
Record 8, Subject field(s)
- Building Insulation and Acoustical Design
- Acoustics (Physics)
- Television Arts
Record 8, Main entry term, English
- dead room
1, record 8, English, dead%20room
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
- dead studio 2, record 8, English, dead%20studio
correct, see observation
- silent room 3, record 8, English, silent%20room
Record 8, Textual support, English
Record number: 8, Textual support number: 1 CONT
A dead room is characterized by highly absorptive wedges or long pyramids mounted to the walls of the room to absorb all incident sound energy. 4, record 8, English, - dead%20room
Record number: 8, Textual support number: 1 OBS
The word "studio" is more restrictive than "room" and should be used as such. See "anechoic chamber". 5, record 8, English, - dead%20room
Record 8, French
Record 8, Domaine(s)
- Isolation et acoustique architecturale
- Acoustique (Physique)
- Télévision (Arts du spectacle)
Record 8, Main entry term, French
- chambre sourde
1, record 8, French, chambre%20sourde
correct, feminine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
- salle sourde 2, record 8, French, salle%20sourde
correct, feminine noun, standardized
- local sourd 3, record 8, French, local%20sourd
correct, masculine noun
- salle muette 4, record 8, French, salle%20muette
correct, feminine noun
- studio sourd 5, record 8, French, studio%20sourd
correct, see observation, masculine noun
Record 8, Textual support, French
Record number: 8, Textual support number: 1 DEF
Salle à l'intérieur de laquelle le champ réverbéré est suffisamment faible pour que l'on se trouve dans des conditions voisines du champ libre. 6, record 8, French, - chambre%20sourde
Record number: 8, Textual support number: 1 CONT
[...] en plaçant les exécutants (chanteurs ou musiciens) dans une salle à très faible réverbération, on les plonge dans une ambiance qui peut ne pas être très éloignée de celle d'une chambre sourde. 7, record 8, French, - chambre%20sourde
Record number: 8, Textual support number: 1 OBS
Chez plusieurs auteurs, les termes «salle (ou chambre) sourde» et «salle (ou chambre) anéchoïque» sont considérés comme synonymes. Mais en fait, il semble que l'absence de réverbération soit plus poussée dans les chambres anéchoïques que dans les chambres sourdes. 8, record 8, French, - chambre%20sourde
Record number: 8, Textual support number: 2 OBS
Le terme « studio » est plus restrictif que «chambre», «salle» et « local » et ne devrait s'utiliser que dans les contextes appropriés. 9, record 8, French, - chambre%20sourde
Record number: 8, Textual support number: 3 OBS
salle sourde : terme normalisé par l'AFNOR. 9, record 8, French, - chambre%20sourde
Record number: 8, Textual support number: 4 OBS
Ne pas confondre avec la salle «insonore» qui est isolée des bruits extérieurs. 9, record 8, French, - chambre%20sourde
Record 8, Spanish
Record 8, Campo(s) temático(s)
- Aislamiento y acústica arquitectónicos
- Acústica (Física)
- Televisión (Artes escénicas)
Record 8, Main entry term, Spanish
- cámara sorda
1, record 8, Spanish, c%C3%A1mara%20sorda
feminine noun
Record 8, Abbreviations, Spanish
Record 8, Synonyms, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 1999-10-13
Record 9, English
Record 9, Subject field(s)
- Acoustics (Physics)
- Building Insulation and Acoustical Design
Record 9, Main entry term, English
- ray acoustics
1, record 9, English, ray%20acoustics
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
- geometrical acoustics 2, record 9, English, geometrical%20acoustics
correct
Record 9, Textual support, English
Record number: 9, Textual support number: 1 DEF
The study of the behavior of sound under the assumption that sound traversing a homogeneous medium travels along straight lines or rays. 3, record 9, English, - ray%20acoustics
Record number: 9, Textual support number: 1 CONT
... the methods of geometrical, or ray, acoustics assume that sound travels as rays, in a manner similar to that of light rays... the angle of the reflected ray is equal to the angle of the incident ray if the surface is large compared with the wavelength. 4, record 9, English, - ray%20acoustics
Record 9, French
Record 9, Domaine(s)
- Acoustique (Physique)
- Isolation et acoustique architecturale
Record 9, Main entry term, French
- acoustique géométrique
1, record 9, French, acoustique%20g%C3%A9om%C3%A9trique
correct, feminine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 CONT
(...) on admet que la propagation des sons s'effectue par rayons rectilignes et que les déviations subies par ces rayons (...) suivent [selon le cas] les lois élémentaires de la réflexion [ou] de la réfraction. [L'] acoustique géométrique ne peut jamais suffire à elle seule à fournir des éléments assez complets pour permettre des conclusions utilisables en technique. 2, record 9, French, - acoustique%20g%C3%A9om%C3%A9trique
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 1999-05-31
Record 10, English
Record 10, Subject field(s)
- Scientific Measurements and Analyses
- Acoustics (Physics)
- Building Insulation and Acoustical Design
Record 10, Main entry term, English
- sound transmission coefficient
1, record 10, English, sound%20transmission%20coefficient
correct
Record 10, Abbreviations, English
Record 10, Synonyms, English
- sound power transmission coefficient 3, record 10, English, sound%20power%20transmission%20coefficient
correct
- acoustic transmission coefficient 1, record 10, English, acoustic%20transmission%20coefficient
correct
- acoustic transmissivity 1, record 10, English, acoustic%20transmissivity
correct
Record 10, Textual support, English
Record number: 10, Textual support number: 1 DEF
The ratio of transmitted to incident sound energy at an interface in a sound medium; the value depends on the angle of incidence of the sound. 1, record 10, English, - sound%20transmission%20coefficient
Record 10, French
Record 10, Domaine(s)
- Mesures et analyse (Sciences)
- Acoustique (Physique)
- Isolation et acoustique architecturale
Record 10, Main entry term, French
- transmittance acoustique
1, record 10, French, transmittance%20acoustique
correct, feminine noun
Record 10, Abbreviations, French
Record 10, Synonyms, French
- coefficient de transmission acoustique 1, record 10, French, coefficient%20de%20transmission%20acoustique
correct, masculine noun
- coefficient de transmission du son 2, record 10, French, coefficient%20de%20transmission%20du%20son
masculine noun
Record 10, Textual support, French
Record number: 10, Textual support number: 1 DEF
Pour une interface, ou plan de séparation, rapport du flux d'énergie acoustique transmis au flux incident. [...] La valeur de la transmittance est fonction de l'angle d'incidence de l'onde acoustique. 1, record 10, French, - transmittance%20acoustique
Record number: 10, Textual support number: 1 OBS
"coefficient de transmission du son" : Ensei. vol. VII p. 156b. 2, record 10, French, - transmittance%20acoustique
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 1986-06-27
Record 11, English
Record 11, Subject field(s)
- Building Insulation and Acoustical Design
- Acoustics (Physics)
Record 11, Main entry term, English
- normal incidence sound absorption coefficient
1, record 11, English, normal%20incidence%20sound%20absorption%20coefficient
correct
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, Textual support, English
Record number: 11, Textual support number: 1 DEF
of a surface, at a specified frequency, the fraction of the perpendicularly incident sound power absorbed or otherwise not reflected. 1, record 11, English, - normal%20incidence%20sound%20absorption%20coefficient
Record 11, French
Record 11, Domaine(s)
- Isolation et acoustique architecturale
- Acoustique (Physique)
Record 11, Main entry term, French
- coefficient d'absorption en incidence normale
1, record 11, French, coefficient%20d%27absorption%20en%20incidence%20normale
masculine noun
Record 11, Abbreviations, French
Record 11, Synonyms, French
Record 11, Textual support, French
Record number: 11, Textual support number: 1 CONT
COEFFICIENT D'ABSORPTION EN INCIDENCE NORMALE (unités sans dimensions) d'une surface, à une fréquence donné : permet d'exprimer la fraction de la puissance acoustique absorbée ou non réfléchie d'un rayon sonore ayant un angle d'incidence de 90 °. 1, record 11, French, - coefficient%20d%27absorption%20en%20incidence%20normale
Record 11, Spanish
Record 11, Textual support, Spanish
Record 12 - internal organization data 1986-06-27
Record 12, English
Record 12, Subject field(s)
- Acoustics (Physics)
Record 12, Main entry term, English
- incident sound
1, record 12, English, incident%20sound
correct
Record 12, Abbreviations, English
Record 12, Synonyms, English
Record 12, Textual support, English
Record number: 12, Textual support number: 1 DEF
Sound striking a surface, contrasted to reflected sound. 1, record 12, English, - incident%20sound
Record 12, French
Record 12, Domaine(s)
- Acoustique (Physique)
Record 12, Main entry term, French
- son incident
1, record 12, French, son%20incident
correct, masculine noun
Record 12, Abbreviations, French
Record 12, Synonyms, French
Record 12, Textual support, French
Record 12, Spanish
Record 12, Textual support, Spanish
Record 13 - internal organization data 1986-06-25
Record 13, English
Record 13, Subject field(s)
- Acoustics (Physics)
- Building Insulation and Acoustical Design
Record 13, Main entry term, English
- field transmission loss
1, record 13, English, field%20transmission%20loss
correct
Record 13, Abbreviations, English
- FTL 2, record 13, English, FTL
correct
Record 13, Synonyms, English
Record 13, Textual support, English
Record number: 13, Textual support number: 1 DEF
Of a partition installed in a building, in a specified frequency band, the ratio expressed on the decibel scale, of the airborne sound power incident on the partition to the sound power transmitted by the partition and radiated on the other side. 1, record 13, English, - field%20transmission%20loss
Record 13, French
Record 13, Domaine(s)
- Acoustique (Physique)
- Isolation et acoustique architecturale
Record 13, Main entry term, French
- indice d'affaiblissement acoustique mesuré sur place
1, record 13, French, indice%20d%27affaiblissement%20acoustique%20mesur%C3%A9%20sur%20place
masculine noun
Record 13, Abbreviations, French
Record 13, Synonyms, French
Record 13, Textual support, French
Record number: 13, Textual support number: 1 DEF
(d'une paroi installée dans un bâtiment, à une bande de fréquence donnée) : rapport exprimé en décibels, entre la puissance acoustique d'un bruit aérien incident sur la paroi et la puissance transmise par la paroi et rayonnée de l'autre côté. 1, record 13, French, - indice%20d%27affaiblissement%20acoustique%20mesur%C3%A9%20sur%20place
Record 13, Spanish
Record 13, Textual support, Spanish
Record 14 - internal organization data 1986-06-23
Record 14, English
Record 14, Subject field(s)
- Acoustics (Physics)
- Building Insulation and Acoustical Design
- Environmental Studies and Analyses
Record 14, Main entry term, English
- absorbed energy
1, record 14, English, absorbed%20energy
correct
Record 14, Abbreviations, English
Record 14, Synonyms, English
Record 14, Textual support, English
Record number: 14, Textual support number: 1 CONT
The sound absorption coefficient... is obtained by statistically averaging the ratio of absorbed to incident energy over all possible angles of incidence. 1, record 14, English, - absorbed%20energy
Record 14, French
Record 14, Domaine(s)
- Acoustique (Physique)
- Isolation et acoustique architecturale
- Études et analyses environnementales
Record 14, Main entry term, French
- énergie absorbée
1, record 14, French, %C3%A9nergie%20absorb%C3%A9e
correct, feminine noun
Record 14, Abbreviations, French
Record 14, Synonyms, French
Record 14, Textual support, French
Record number: 14, Textual support number: 1 CONT
On caractérise chaque milieu par (...) l'absorption : rapport de l'énergie absorbée à l'énergie incidente en fonction de la fréquence. 2, record 14, French, - %C3%A9nergie%20absorb%C3%A9e
Record 14, Spanish
Record 14, Textual support, Spanish
Record 15 - internal organization data 1986-06-16
Record 15, English
Record 15, Subject field(s)
- Acoustics (Physics)
Record 15, Main entry term, English
- incident ray
1, record 15, English, incident%20ray
correct
Record 15, Abbreviations, English
Record 15, Synonyms, English
Record 15, Textual support, English
Record number: 15, Textual support number: 1 CONT
... the reflected wave front makes the same angle with the interface as the incident wave front. This ... constitutes the law of reflection. Equally well expressed in terms of the incident and reflected rays, this law is the same law that holds for light, namely, that the angle of reflection is equal to the angle of incidence. 1, record 15, English, - incident%20ray
Record 15, Key term(s)
- incident sound ray
Record 15, French
Record 15, Domaine(s)
- Acoustique (Physique)
Record 15, Main entry term, French
- rayon incident
1, record 15, French, rayon%20incident
proposal, masculine noun
Record 15, Abbreviations, French
Record 15, Synonyms, French
- rayon acoustique incident 1, record 15, French, rayon%20acoustique%20incident
proposal, masculine noun
- rayon sonore incident 1, record 15, French, rayon%20sonore%20incident
proposal, masculine noun
Record 15, Textual support, French
Record number: 15, Textual support number: 1 OBS
par analogie avec "intensité (acoustique) incidente" : TECBA, 1970, vol. 3, no. 3381, p. 1-2. 1, record 15, French, - rayon%20incident
Record number: 15, Textual support number: 2 OBS
voir fiche "sound ray". 1, record 15, French, - rayon%20incident
Record 15, Spanish
Record 15, Textual support, Spanish
Record 16 - internal organization data 1986-06-02
Record 16, English
Record 16, Subject field(s)
- Acoustics (Physics)
- Building Insulation and Acoustical Design
Record 16, Main entry term, English
- incident sound energy
1, record 16, English, incident%20sound%20energy
correct
Record 16, Abbreviations, English
Record 16, Synonyms, English
- incident energy 2, record 16, English, incident%20energy
correct
Record 16, Textual support, English
Record number: 16, Textual support number: 1 CONT
The sound absorption coefficient... is obtained by statistically averaging the ratio of absorbed to incident energy over all possible angles of incidence. 2, record 16, English, - incident%20sound%20energy
Record 16, French
Record 16, Domaine(s)
- Acoustique (Physique)
- Isolation et acoustique architecturale
Record 16, Main entry term, French
- énergie incidente
1, record 16, French, %C3%A9nergie%20incidente
correct, feminine noun
Record 16, Abbreviations, French
Record 16, Synonyms, French
- énergie sonore incidente 2, record 16, French, %C3%A9nergie%20sonore%20incidente
correct, feminine noun
Record 16, Textual support, French
Record number: 16, Textual support number: 1 CONT
Si la paroi est parfaite, c'est-à-dire lourde indéformable, plane et très lisse, les ondes se réfléchissent sur l'obstacle et toute l'énergie incidente est renvoyée par lui. [...] l'énergie réfléchie [...] est égale à l'énergie incidente [...] 3, record 16, French, - %C3%A9nergie%20incidente
Record number: 16, Textual support number: 2 CONT
L'énergie incidente est en partie réfléchie, en partie absorbée, et en partie transmise. 3, record 16, French, - %C3%A9nergie%20incidente
Record 16, Spanish
Record 16, Textual support, Spanish
Record 17 - internal organization data 1975-03-11
Record 17, English
Record 17, Subject field(s)
- Acoustics (Physics)
Record 17, Main entry term, English
- sound power transmission coefficient
1, record 17, English, sound%20power%20transmission%20coefficient
specific
Record 17, Abbreviations, English
Record 17, Synonyms, English
Record 17, Textual support, English
Record number: 17, Textual support number: 1 OBS
(...) is similarly defined as the ratio of the transmitted sound power to the incident sound power 1, record 17, English, - sound%20power%20transmission%20coefficient
Record 17, French
Record 17, Domaine(s)
- Acoustique (Physique)
Record 17, Main entry term, French
- transmissibilité
1, record 17, French, transmissibilit%C3%A9
generic
Record 17, Abbreviations, French
Record 17, Synonyms, French
- coefficient de transmission 1, record 17, French, coefficient%20de%20transmission
generic
Record 17, Textual support, French
Record number: 17, Textual support number: 1 OBS
rapport de l'énergie transmise à l'énergie incidente // le rapport (...) de l'énergie de l'onde émergente à l'énergie de l'onde incidente est appelé le coefficient de transmission. [p.169] 1, record 17, French, - transmissibilit%C3%A9
Record 17, Spanish
Record 17, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
GCtranslate (available on the Government of Canada network only)
Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.
Writing tools
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
Access Translation Bureau glossaries and vocabularies.
- Date Modified:


