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WOW FLUTTER [4 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2013-03-18

English

Subject field(s)
  • Audio Technology
CONT

Speed variations up to 10 Hz are called "wow", and speed variations above 10 Hz are considered "flutter".

CONT

The term "flutter" usually refers to relatively high cyclic [sound speed] deviations..., and the term "wow" to relatively low ones(for example, a variation of once per turntable revolution).

OBS

"Once-arounds" refers particularly to deviations occurring once per revolution on a turntable. "Wow" is more generic and could refer to deviations occurring on tape as well.

Key term(s)
  • once-around

French

Domaine(s)
  • Électroacoustique
DEF

Variation de hauteur du son produite par une vitesse non uniforme de défilement du support (vitesse de rotation d'un tourne-disque, de déroulement d'un ruban magnétique).

OBS

pleurage : terme normalisé par l'AFNOR.

Spanish

Campo(s) temático(s)
  • Electroacústica
Save record 1

Record 2 2012-03-06

English

Subject field(s)
  • Audio Technology
DEF

Undesired form of frequency modulation introduced into the signal by an irregular motion of the recording medium during the recording/reproducing process, usually at frequencies above 10 cycles per second.

OBS

In this sense "flutter" refers to relatively high cyclic deviations(10 hertz or more) and is contrasted with "wow".

French

Domaine(s)
  • Électroacoustique
DEF

Effet parasite produit par les fluctuations de la vitesse de défilement du support lors de la lecture d'un signal enregistré.

OBS

scintillement : terme normalisé par l'AFNOR.

Key term(s)
  • chevrotement

Spanish

Campo(s) temático(s)
  • Electroacústica
Save record 2

Record 3 2002-11-22

English

Subject field(s)
  • Audio Technology
CONT

No capstan drive system is perfect and... this will give rise to tape speed variations that affect the playback quality of music.... Such speed changes are called wow and flutter.

CONT

Flutter is any deviation in frequency in reproduced sound from the original frequency: it usually results from nonuniform motion of the recording medium during recording, duplication or reproduction.

OBS

While the term "flutter" is normally limited to designating higher rates of speed variation, it is often generalized to include both wow and(high speed) flutter, as in TRAUD, 1969, p. 656. In addition, "speed variations" or "flutter"(in the generalized sense) could be used to refer to "drift", which is "a random rate close to zero hertz"(cf. GRAEL, 1977, p. 284).

OBS

flutter: Term standardized by the USA Standards Institute.

Key term(s)
  • wow and flutter

French

Domaine(s)
  • Électroacoustique
DEF

Variations de la vitesse relative entre un support d'enregistrement et la tête d'enregistrement ou de lecture, se traduisant par une modulation de fréquence parasite du signal enregistré.

OBS

Dans le domaine des audiofréquences, les fluctuations lentes (de 0,1 à 10 hertz) sont appelées pleurage, et les fluctuations rapides (au-delà de 10 hertz) sont appelées scintillement.

CONT

[Le] moteur [de la table de lecture TD 126 MKIII] a sa vitesse de rotation commandée électroniquement complétée par un circuit d'asservissement dit APC [...] qui compense automatiquement les variations de vitesses mais aussi les éventuels freinages extérieurs tels que ceux provoqués par un balai dépoussiéreur.

Key term(s)
  • fluctuation de vitesse

Spanish

Save record 3

Record 4 2002-05-09

English

Subject field(s)
  • Storage Media (Data Processing)
  • Telecommunications
DEF

A recurring speed variation of relatively low frequency in a moving medium.

OBS

Wow refers to slow speeds and flutter to high speeds.

French

Domaine(s)
  • Supports d'information (Informatique)
  • Télécommunications
DEF

Écarts de vitesse observés sur un magnétophone ou une platine disque par rapport à la vitesse de référence.

Spanish

Save record 4

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