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FREQUENCY RESPONSE CURVE [5 records]

Record 1 2007-01-13

English

Subject field(s)
  • Audio Technology
DEF

A standardized frequency response curve(or contour) for recording of phonograph records, notably with attenuation of bass frequencies during recording to reduce the excursion of the cutting stylus, permit closer spacing of record grooves, and increase possible recording time, together with a compensating contour with bass boost for use at playback time.

French

Domaine(s)
  • Électroacoustique
CONT

Normes R.I.A.A. : normes internationales qui précisent la courbe de gravure des disques. On ne grave jamais un disque de manière linéaire : on favorise ou on défavorise certaines fréquences par rapport à d'autres.

Spanish

Save record 1

Record 2 1995-04-28

English

Subject field(s)
  • Audio Technology
  • Range Measurements (Telecommunications)
  • Radar, Radio Guidance and Goniometry
  • Audiovisual Techniques and Equipment
DEF

The measure of any component's ability to pass signals of different frequency without affecting their relative strengths. This is shown as a graph or "curve" which assumes input signals equally strong at all frequencies and plots their output intensities against a decibel scale.... Frequency response may also be stated as a frequency range but with specified decibel limits, indicating the maximum deviations from flat response [e. g., 30 to 20, 000 Hz [+ or-] 2 dB]

French

Domaine(s)
  • Électroacoustique
  • Mesures à distance (Télécommunications)
  • Radar, radioguidage et radiogoniométrie
  • Audiovisuel (techniques et équipement)
DEF

Réponse en fréquence. - La fidélité de reproduction exige une courbe de réponse uniforme sur une large bande de fréquences acoustiques, pour que l'appareil amplifie dans le même rapport les différentes fréquences transmises.

OBS

Il existe un rapport si étroit entre ce terme et "bande passante", que ces termes sont quelquefois employés l'un pour l'autre dans certains contextes.

Spanish

Save record 2

Record 3 1984-10-10

English

Subject field(s)
  • Audio Technology
DEF

A graphical representation of frequency response. Usually measured in decibels, with reference [to] a given level on a vertical scale. When the response curve of an amplifier, pickup, microphone, etc., is accurately plotted it represents the relative levels of amplitude at all frequencies within a specified bandwidth.

Key term(s)
  • frequency response chart

French

Domaine(s)
  • Électroacoustique
DEF

Graphique représentant les variations de niveau à la sortie d'un transducteur en fonction d'une variable indépendante (temps, fréquence, etc.).

OBS

"Courbe de réponse amplitude-fréquence" est un terme normalisé par l'AFNOR (NF-S-30-102, 1973, p. 8).

Key term(s)
  • courbe de réponse amplitude-fréquence

Spanish

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Record 4 1981-01-07

English

Subject field(s)
  • Audio Technology
DEF

Having a slope of zero at all points, as a graph, curve, etc.

CONT

The attenuator loss, being the same for frequencies between 80 and 6000 Hz, indicates the amplifier frequency response over this range is flat.

OBS

This equivalence is valid in cases where the frequency response, or response curve, is described.

French

Domaine(s)
  • Électroacoustique
CONT

Que doit-on exiger d'une tête de lecture de qualité? 1. Une réponse uniforme sans pointe ni faiblesse à toutes les fréquences, de 20 Hz à 20 000 Hz. 2. Une très bonne séparation [...]

Spanish

Save record 4

Record 5 1980-11-07

English

Subject field(s)
  • Telecommunications Transmission
DEF

... the width of a rectangular frequency response curve, having a height equal to the maximum height of the receiver frequency response curve and corresponding to the same total noise power;...

French

Domaine(s)
  • Transmission (Télécommunications)
DEF

[...] la largeur de la courbe de réponse rectangulaire, ayant une hauteur égale à la hauteur maximale de la courbe de réponse, et correspondant à la même puissance totale de bruit; [...]

Spanish

Save record 5

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