TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

LINE DOUBLER [2 records]

Record 1 2007-04-30

English

Subject field(s)
  • Audiovisual Techniques and Equipment
  • Television (Radioelectricity)
DEF

An outboard device, although sometimes built in to a high-scan capable TV, that adds additional scanning lines to images composed of fewer scanning lines (like NTSC images).

OBS

This fills the space between the original lines, making them less noticeable and increases the brightness of the picture. For example, the NTSC video field of 262.5 lines is doubled to 525 non-interlaced lines and the PAL field of 312.5 lines becomes 625.

OBS

NTSC: National Television Standards Committee.

French

Domaine(s)
  • Audiovisuel (techniques et équipement)
  • Télévision (Radioélectricité)
DEF

Appareil convertissant les signaux TV/Vidéo en un format de résolution doublée (de 15 KHz à 30 KHz) en multipliant le nombre de lignes par 2.

OBS

Le doubleur de lignes remplit les espaces entre les lignes de l'image d'entrée et produit de cette façon une meilleure luminosité et résolution d'image.

Spanish

Save record 1

Record 2 2007-03-08

English

Subject field(s)
  • Audiovisual Techniques and Equipment
  • Video Technology
DEF

A video processor that doubles the number of lines in the scanning system in order to create a display with scan lines that are less visible.

OBS

Some line doublers convert from interlaced to progressive scan.

French

Domaine(s)
  • Audiovisuel (techniques et équipement)
  • Vidéotechnique
DEF

Processeur vidéo qui effectue le doublage du nombre de lignes d'un système d'analyse afin de produire un affichage dont les lignes de balayage seront moins visibles.

OBS

Certains doubleurs de lignes permettent aussi de réaliser la conversion du balayage entrelacé au balayage progressif.

Spanish

Save record 2

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