TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 OBS

constant velocity : A recording characteristic in which the stylus speed is held constant at all recorded frequencies. Recorded amplitude decreases as the frequency rises, at the rate of 6dB/octave.  2, record 1, English, - constant%20velocity%20mechanical%20recording

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 DEF

Mode d'enregistrement tel que, pour un signal sinusoïdal d'amplitude constante, la déformation du sillon ait une amplitude inversement proportionnelle à la fréquence. [Définition normalisée par l'AFNOR et reproduite avec son autorisation.]  1, record 1, French, - enregistrement%20m%C3%A9canique%20%C3%A0%20v%C3%A9locit%C3%A9%20constante

Record number: 1, Textual support number: 1 OBS

enregistrement mécanique à vélocité constante : terme normalisé par l'AFNOR.  2, record 1, French, - enregistrement%20m%C3%A9canique%20%C3%A0%20v%C3%A9locit%C3%A9%20constante

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 DEF

The rate, expressed in dB [decibel] per octave, at which audio signals are attenuated as frequencies move into the crossover range.  1, record 2, English, - crossover%20slope

Record number: 2, Textual support number: 1 OBS

A high attenuation rate, e. g. 24 dB/octave means that there is little interaction between adjacent loudspeaker drivers. Low attenuation rates, e. g. 6 dB/octave allow adjacent drivers to operate simulteneously over a wide frequency range.  1, record 2, English, - crossover%20slope

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 DEF

Facteur, exprimé en dB [décibel] par octave, auquel les signaux audio sont atténués à mesure que les fréquences entrent dans la plage de transfert. Un taux d'atténuation élevé, par exemple de 24 dB/octave, signifie qu'il y a peu d'interaction entre les moteurs de haut-parleur adjacents.  2, record 2, French, - pente%20de%20coupure

Record number: 2, Textual support number: 1 OBS

Un taux d'atténuation bas, par exemple de 6 dB/octave, permet aux moteurs de haut-parleur adjacents de fonctionner simultanément dans une plage de fréquences large.  2, record 2, French, - pente%20de%20coupure

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 DEF

Frequency ranges in which the upper limit of each band is twice the lower limit.  1, record 3, English, - octave%20band

Record number: 3, Textual support number: 1 OBS

Octave bands are identified by their geometric mean frequency, or center frequency.  1, record 3, English, - octave%20band

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 DEF

Bande de fréquences dont la limite supérieure est égale au double de la limite inférieure.  2, record 3, French, - bande%20d%27octave

Record number: 3, Textual support number: 1 OBS

Les octaves sont identifiées par leur fréquence géométrique centrale : 125, 250, 500, 1000, 2000, et 4000 Hz sont les bandes utilisées pour le calcul de l'isolation acoustique.  2, record 3, French, - bande%20d%27octave

Record 3,  Textual support,  Spanish

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 DEF

[A frequency] that is in the lowest octave that [a person] can hear, the 20 Hz to 40 Hz range.  1, record 4, English, - sub%2Dbass%20frequency

Record number: 4, Textual support number: 1 OBS

sub-bass frequency: term usually used in the plural.  4, record 4, English, - sub%2Dbass%20frequency

Record number: 4, Textual support number: 2 OBS

sub bass: term linked with the conception and development of large-format film technology.  4, record 4, English, - sub%2Dbass%20frequency

Record 4,  Textual support,  French

Record number: 4, Textual support number: 1 DEF

Fréquence qui se situe dans l'octave la plus basse qu'un être humain peut entendre, soit de 20 Hz à 40 Hz.  5, record 4, French, - fr%C3%A9quence%20extr%C3%AAme%20grave

Record number: 4, Textual support number: 1 OBS

fréquence extrême grave; extrême grave; fréquence infragrave; infragrave : termes habituellement utilisés au pluriel.  5, record 4, French, - fr%C3%A9quence%20extr%C3%AAme%20grave

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 DEF

A high quality device which reproduces low frequency audio information [typically a] little more than an extra half octave, i. e. down from 50 Herts to 35 to 40 Herts.  4, record 5, English, - subwoofer

Record number: 5, Textual support number: 1 OBS

sub-bass loudspeaker: term linked with the conception and development of large-format film technology.  4, record 5, English, - subwoofer

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 DEF

Enceinte de qualité qui reproduit les fréquences basses, notamment celles de plus d'une demi-octave (gamme de 50 Hz à 35-40 Hz).  4, record 5, French, - caisson%20d%27extr%C3%AAmes%20graves

Record number: 5, Textual support number: 1 OBS

Renseignement communiqué par un conseiller en électronique du magasin Audiolight de Québec. Selon ce dernier «caisson d'extrêmes graves» s'emploie en France, quoique «subwoofer» serait assez généralisé.  4, record 5, French, - caisson%20d%27extr%C3%AAmes%20graves

Record 5,  Textual support,  Spanish

Record 6,  Textual support,  English

Record number: 6, Textual support number: 1 DEF

The interval between two frequencies whose ratio is nominally (2)_1/3:1.  4, record 6, English, - third%2Doctave

Record number: 6, Textual support number: 1 CONT

Most measurements or evaluations of sound intensity or level are made with an electronic instrument that measures the sound pressure. The instrument... can measure the overall sound pressure level throughout a frequency range of about 20 to 20, 000 Hz, or within narrow frequency bands(such as an octave, third-octave, or even narrower ranges).  1, record 6, English, - third%2Doctave

Record number: 6, Textual support number: 1 OBS

one-third octave: term standardized by the CSA. Material reproduced with the permission of the copyright holder, the Canadian Standards Association (CSA), 178 Rexdale Blvd., Toronto, Ontario, Canada M9W 1R3. However, CSA shall not be responsible for the manner in which the information is presented, nor for any interpretations thereof. This CSA material may not have been updated to reflect amendments subsequently made to the original content. For further information, contact CSA.  5, record 6, English, - third%2Doctave

Record 6,  Textual support,  French

Record number: 6, Textual support number: 1 CONT

[...] on mesure les niveaux spectraux de pression acoustique dans des bandes ayant un demi-octave ou un tiers d'octave de largeur, afin d'obtenir une courbe de variation de la qualité du plancher essayé en fonction de la fréquence.  2, record 6, French, - tiers%20d%27octave

Record number: 6, Textual support number: 2 CONT

Beranek et ses collaborateurs proposèrent une méthode basée sur l'analyse en bandes du bruit [...] et sur la mesure des niveaux de pression acoustique [...] dans [...] ces bandes. [...] ces auteurs préconisaient d' [...] analyser le bruit en octaves ou, mieux, en demi ou en tiers d'octave [...]  2, record 6, French, - tiers%20d%27octave

Record 6,  Textual support,  Spanish

Record 7,  Textual support,  English

Record number: 7, Textual support number: 1 DEF

The interval between two sounds having a basic frequency ratio of two-or, by extension, the interval between any two frequencies having a ratio of 2:1.  2, record 7, English, - octave

Record number: 7, Textual support number: 1 CONT

An octave is a doubling in frequency.  3, record 7, English, - octave

Record number: 7, Textual support number: 1 OBS

octave: term standardized by the United States of America Standards Institute.  4, record 7, English, - octave

Record number: 7, Textual support number: 2 OBS

octave: term standardized by the CSA. Material reproduced with the permission of the copyright holder, the Canadian Standards Association (CSA), 178 Rexdale Blvd., Toronto, Ontario, Canada M9W 1R3. However, CSA shall not be responsible for the manner in which the information is presented, nor for any interpretations thereof. This CSA material may not have been updated to reflect amendments subsequently made to the original content. For further information, contact CSA.  5, record 7, English, - octave

Record 7,  Textual support,  French

Record number: 7, Textual support number: 1 DEF

[...] intervalle entre deux fréquences dont l'une est le double de l'autre.  2, record 7, French, - octave

Record number: 7, Textual support number: 1 CONT

Toute la gamme de fréquences est divisée en octaves qui représentent un intervalle entre deux fréquences dont l'une est le double de l'autre (par exemple 50 à 100 Hz).  3, record 7, French, - octave

Record 7,  Textual support,  Spanish

Record 8,  Textual support,  English

Record number: 8, Textual support number: 1 DEF

Bank of filters for analysing the spectral energy content of complex sounds and noises, using adjacent octave bands of frequency over the whole audio range.  2, record 8, English, - octave%20filter

Record 8,  Textual support,  French

Record number: 8, Textual support number: 1 CONT

L'étude des fréquences constituant un bruit peut être faite directement à l'aide d'un sonomètre muni d'un filtre d'octave.  3, record 8, French, - filtre%20d%27octave

Record 8,  Textual support,  Spanish

Record 9,  Textual support,  English

Record number: 9, Textual support number: 1 DEF

An audiogram in which the threshold for pure tone stimuli is charted in decibels of hearing level down the vertical axis, the horizontal axis being the frequency which is usually measured in octave steps from 125 Hz to 8 kHz.  1, record 9, English, - pure%20tone%20audiogram

Record 9,  Textual support,  French

Record number: 9, Textual support number: 1 DEF

Graphique sur lequel sont inscrits les points qui marquent les seuils auditifs d'un sujet pour diverses fréquences. (D'après les sources b et d).  2, record 9, French, - audiogramme%20tonal

Record number: 9, Textual support number: 1 OBS

L'audiogramme tonal chez l'homme est étudié de 128 à 8 192 hertz.  3, record 9, French, - audiogramme%20tonal

Record 9,  Textual support,  Spanish

Record 10,  Textual support,  English

Record number: 10, Textual support number: 1 CONT

Relating to the frequency/amplitude response of systems or devices. For example, the attenuation regions of low, high or bandpass filters will have a slope, often expressed as so many decibels per octave.  1, record 10, English, - slope

Record 10,  Textual support,  French

Record 10,  Textual support,  Spanish

Record 11,  Textual support,  English

Record number: 11, Textual support number: 1 DEF

A frequency selective network that divides the spectrum into two or more frequency bands for distribution to different loads.  1, record 11, English, - dividing%20network

Record number: 11, Textual support number: 1 CONT

[A] crossover network ... [is an] electrical filter ... [mainly designed] for ... [use in a] multispeaker system.  7, record 11, English, - dividing%20network

Record number: 11, Textual support number: 2 CONT

The crossover frequency is dependent on the characteristics of the speaker units employed. The rate of attenuation may be 6, 12, or even 18 dB per octave.... General design considerations for crossover networks require that the crossover frequency should start becoming effective before the frequency response of the loudspeaker falls off and the loudspeaker becomes nonlinear.  4, record 11, English, - dividing%20network

Record number: 11, Textual support number: 1 OBS

If not otherwise specified, a crossover network is a passive circuit, i.e. made of coils, capacitors and (sometimes) resistors.  8, record 11, English, - dividing%20network

Record 11,  Textual support,  French

Record number: 11, Textual support number: 1 DEF

Dans une enceinte [acoustique] à plusieurs haut-parleurs, circuit électrique, composé d'inductances et de condensateurs, destiné à alimenter convenablement les transducteurs, chacun ne devant reproduire que la gamme de fréquences pour laquelle il a été conçu.  2, record 11, French, - filtre%20passif

Record number: 11, Textual support number: 1 CONT

Un filtre passif, incorporé à l'enceinte, assigne à chaque transducteur une gamme de fréquences à reproduire, par exemple : 20 à 600 Hz pour le grave; 600 à 5 000 Hz pour le médial; 5 à 20 kHz pour le tweeter.  2, record 11, French, - filtre%20passif

Record number: 11, Textual support number: 1 OBS

Selon que la gamme à reproduire est divisée en deux, trois ou cinq tranches, on parle de filtre [passif] à deux, trois ou cinq voies.  3, record 11, French, - filtre%20passif

Record number: 11, Textual support number: 2 OBS

On emploie souvent "filtre" lorsqu'il n'y a pas risque de confusion.  3, record 11, French, - filtre%20passif

Record number: 11, Textual support number: 3 OBS

Il est absolument incorrect de dire, dans ce contexte : "filtre à coupure", "réseau de croisement", "filtre de croisement", etc.  2, record 11, French, - filtre%20passif

Record 11,  Textual support,  Spanish

Record 12,  Textual support,  English

Record number: 12, Textual support number: 1 CONT

Standards also exist for instruments to filter noise signals into bands of frequency and to indicate the magnitude in each band on a logarithmic scale. One such instrument is known as an octave band analyzer(OBA).  1, record 12, English, - octave%2Dband%20analyzer

Record 12,  Textual support,  French

Record number: 12, Textual support number: 1 DEF

analyseur de son donnant, pour chaque fréquence des sons d'une bande d'octave, les amplitudes de vibration correspondantes.  1, record 12, French, - analyseur%20en%20bandes%20d%27octave

Record 12,  Textual support,  Spanish

Record 13,  Textual support,  English

Record number: 13, Textual support number: 1 DEF

... the average of the sound pressure levels in decibels... in the three octave frequency bands 600 to 1200 Hz, 1200 to 2400 Hz, and 2400 to 4800 Hz.  1, record 13, English, - speech%20interference%20level

Record 13,  Textual support,  French

Record number: 13, Textual support number: 1 OBS

OACI  2, record 13, French, - niveau%20d%27interf%C3%A9rence%20de%20la%20parole

Record 13,  Textual support,  Spanish