TERMIUM Plus®

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MOTIONAL FEEDBACK [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 1981-01-07

English

Subject field(s)
  • Audio Technology
CONT

In all MFB Speaker/Amps, we [Philips] mount a tiny sensing device (called a piezoelectric transducer) at the apex of the woofer unit. The transducer converts the sound output into an electrical signal and feeds it back to a comparator in the amplifier. This checks it against the input signal and compensates for any differences.

Key term(s)
  • motional feedback speaker
  • motional feedback enclosure

French

Domaine(s)
  • Électroacoustique
DEF

(...) se dit d'une enceinte acoustique close équipée d'un haut-parleur de grave spécial ayant un capteur sensible aux mouvements de sa membrane. Le capteur renvoie à l'entrée de l'amplificateur de puissance, les signaux produits afin qu'ils soient comparés et corrigés électroniquement.

Spanish

Save record 1

Record 2 1981-01-07

English

Subject field(s)
  • Audio Technology
DEF

A type of system control obtained when a portion of the output signal is operated upon and fed back to the input in order to obtain a desired effect.

OBS

"Motional feedback" and "MFB" refer specifically to a type of loudspeaker system developed by Philips.

Key term(s)
  • motional feedback control

French

Domaine(s)
  • Électroacoustique
DEF

Se dit d'une enceinte acoustique close équipée d'un haut-parleur de grave spécial ayant un capteur sensible aux mouvements de sa membrane. Le capteur renvoie à l'entrée de l'amplificateur de puissance, les signaux produits afin qu'ils soient comparés et corrigés électroniquement. L'asservissement permet de réduire le taux de distorsion, d'abaisser la fréquence de résonance, etc.

Spanish

Save record 2

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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