TERMIUM Plus®

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

COMPRESSION STILL [11 records]

Record 1 2009-10-26

English

Subject field(s)
  • Nuclear Fission Reactors
  • Thermonuclear fusion
CONT

Fusion Propulsion Unit. This MTF [Magnetized Target Fusion] concept has very attractive features... The magnetic nozzle can operate as a magnetic flux compression generator to provide the necessary circulating power for continued operation, yet still maintain a high nozzle efficiency...

French

Domaine(s)
  • Réacteurs nucléaires de fission
  • Fusion thermonucléaire
DEF

[Fusion magnétique] consommation sur place d'une part d'énergie produite [...]

OBS

[...] industriellement parlant cette puissance circulante ne doit pas excéder 15 à 20 % de la puissance totale.

Spanish

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Record 2 2008-05-13

English

Subject field(s)
  • Springs (Mechanical Components)
  • Landing Gear (Aeroindustry)
CONT

The left rudder would operate normally since the RH [right-hand] nosewheel steering tube assembly could still operate in the compression mode. Furthermore, in this condition, the automatic centring action of the nose gear as the aircraft lifted off would have resulted in the application of two to four degrees of left rudder deflection. This is due to the left-hand rudder centring spring taking up the slack introduced in the right-hand rudder cable by the right-hand rudder pedal being moved aft of its normal position due to the shortened length of the RH nosewheel steering tube assembly.

OBS

centering spring: term officially approved by the Aeronautical Terminology Standardization Committee (ATSC) - Helicopters.

French

Domaine(s)
  • Ressorts (Composants mécaniques)
  • Atterrisseur (Constructions aéronautiques)
CONT

La commande de direction vers la gauche aurait fonctionné normalement puisque l'ensemble de droite des tubes d'orientation du train avant pouvait toujours fonctionner en mode de compression. Qui plus est, dans une telle situation, le centrage automatique du train avant au moment du décollage aurait provoqué l'apparition d'un braquage de la direction de deux à quatre degrés vers la gauche. Ce phénomène est dû au fait que le ressort de centrage gauche de la direction a compensé pour le mou apparu dans le câble droit de la direction à la suite du déplacement de la pédale droite du palonnier en arrière de sa position normale à cause de la longueur moindre de l'ensemble de droite des tubes d'orientation du train avant.

OBS

ressort de centrage : terme uniformisé par les Comités d'uniformisation de la terminologie aéronautique (CUTA) - Hélicoptères et Maintenance.

Spanish

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Record 3 2006-10-04

English

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

In multimedia, a single film or video frame presented as a single, unmoving image.

CONT

Video compression is measured by four basic criteria :compression ratio, picture quality, compression and decompression speeds, and the hardware and software resources required to achieve it. Use of compression with motion video is mandatory, but it also benefits still images, particularly in multimedia applications where the end-user should not be left waiting for things to happen on the screen. Processing of a single image in one second or less is generally acceptable for a still picture, but motion video requires at least 15 fps to produce the effect of smooth movement.

French

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

Image filmée (cinématographique) ou trame vidéo considérées comme unitaires et non animées.

CONT

Dans tous les systèmes d'analyse vidéo, le mouvement est décomposé en une série d'images fixes.

CONT

Le DVI (Digital Video Interactive) parvient [...] à un taux de compression de 1 à 160 pour l'image animée contre 1 à 25 pour l'image fixe.

Spanish

Save record 3

Record 4 2005-01-25

English

Subject field(s)
  • Television (Radioelectricity)
  • Computer Graphics
  • Applications of Automation
  • Video Technology
DEF

A standard of quality for the reproduction of video signals.

CONT

There is a further version of the CD-I known as full-motion video (FMV). In this format, audio and video are encoded using the MPEG standard ... This means that full-motion video with high-quality stereo can be output from a CD.

CONT

Although real motion video is the holy grail of multimedia, it still is impractical using today's technology. The current method for working with video is by capturing and converting the analog signal from a video source and either manipulating the image's data(which is written to video tape) or compressing the data using compression techniques(either software-only compression or a combination of hardware and software compression). To display or capture a single screen of an NTSC [National Television System Committee] signal, you must have a video frame grabber.... Real-time frame grabbers capture full-motion video at a rate between 15 and 30 frames-per-second using video compression...

OBS

In the NTSC format, it is achieved when the video signal is reproduced at 30 frames per second and in the PAL format, it occurs at 25 fps.

OBS

The Dictionary of New Media is available at: <a href="http://hepdigital.com/" title="http://hepdigital.com">http://hepdigital.com</a>.

French

Domaine(s)
  • Télévision (Radioélectricité)
  • Infographie
  • Automatisation et applications
  • Vidéotechnique
CONT

Le CD-I fait appel à des techniques très sophistiquées de compression d'images pour pouvoir stocker des images animées, très consommatrices d'espace. L'algorithme de compression est baptisé «Full Motion Video» (FMV). C'est la mise au point de cet algorithme qui a permis au CD-I de pouvoir afficher jusqu'à 72 minutes d'images animées plein écran. La qualité de l'image ainsi traitée est équivalente à celle d'un magnétoscope VHS mais inférieure à celle d'un LaserDisc.

Spanish

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Record 5 2000-11-29

English

Subject field(s)
  • Scientific Instruments

French

Domaine(s)
  • Instruments scientifiques

Spanish

Campo(s) temático(s)
  • Instrumentos científicos
Save record 5

Record 6 1996-01-02

English

Subject field(s)
  • Operating Systems (Software)
  • Information Processing (Informatics)
DEF

Compression that allows data loss to achieve increaded compression. Decompressing the compressed data produces data that approximates the original data and is still presumably useful, although it is not identical to the original data(as in lossless compression).

French

Domaine(s)
  • Systèmes d'exploitation (Logiciels)
  • Traitement de l'information (Informatique)
OBS

altérant : qui provoque une altération.

OBS

Comparer à la compression inaltérante (qui ne provoque pas une perte partielle des données lors de leur décompression).

Spanish

Save record 6

Record 7 1995-05-16

English

Subject field(s)
  • Computer Graphics
  • Video Technology
OBS

Although real motion video is the holy grail of multimedia, it still is impractical using today's technology. The current method for working with video is by capturing and converting the analog signal from a video source and either manipulating the image's data(which is written to video tape) or compressing the data using compression techniques(either software-only compression or a combination of hardware and software compression).

French

Domaine(s)
  • Infographie
  • Vidéotechnique
CONT

Grâce à une carte d'acquisition vidéo, il devient possible de capturer des séquences issues d'un magnétoscope ou d'un caméscope [...] Les cartes d'acquisition ont pour fonction de numériser les images analogiques. Cette numérisation doit se faire en temps réel. L'objectif est donc d'acquérir, de numériser, de compresser et de stocker sur disque 25 images à la seconde. Bien sûr, toutes les cartes n'offrent pas ces performances.

Spanish

Save record 7

Record 8 1995-03-30

English

Subject field(s)
  • Storage Media (Data Processing)
  • Video Technology
  • Computer Graphics
CONT

Although real motion video is the holy grail of multimedia, it still is impractical using today's technology. The current method for working with video is by capturing and converting the analog signal from a video source and either manipulating the image's data(which is written to video tape) or compressing the data using compression techniques(either software-only compression or a combination of hardware and software compression). To display or capture a single screen of an NTSC signal, you must have a video frame grabber. These are lowest on the rungs of the video ladder, in that they have less capability than boards that capture streaming video. These cards enable you to grab a single frame of video from a Laser Disk or a VCR. Video frame grabbers come in two varieties : single-frame capture and real-time capture. Single-frame capture boards enable you to freeze a selected frame and record it to your hard disk. In this function, single-frame boards are similar to scanners-they provide a means of capturing an image and saving it for use in a multimedia title.

French

Domaine(s)
  • Supports d'information (Informatique)
  • Vidéotechnique
  • Infographie

Spanish

Save record 8

Record 9 1995-03-30

English

Subject field(s)
  • Storage Media (Data Processing)
  • Computer Display Technology
  • Computer Graphics
CONT

Although real motion video is the holy grail of multimedia, it still is impractical using today's technology. The current method for working with video is by capturing and converting the analog signal from a video source and either manipulating the image's data(which is written to video tape) or compressing the data using compression techniques(either software-only compression or a combination of hardware and software compression). To display or capture a single screen of an NTSC signal, you must have a video frame grabber. These are lowest on the rungs of the video ladder, in that they have less capability than boards that capture streaming video. These cards enable you to grab a single frame of video from a Laser Disk or a VCR. Video frame grabbers come in two varieties : single-frame capture and real-time capture. Single-frame capture boards enable you to freeze a selected frame and record it to your hard disk. In this function, single-frame boards are similar to scanners-they provide a means of capturing an image and saving it for use in a multimedia title.... Real-time frame grabbers capture full-motion video at a rate between 15 and 30 frames-per-second using video compression....

French

Domaine(s)
  • Supports d'information (Informatique)
  • Techniques d'affichage (Ordinateurs)
  • Infographie
OBS

[...] vidéo en temps réel [...] cette technique traite exclusivement les images individuelles et non les séquences.

Spanish

Save record 9

Record 10 1994-10-19

English

Subject field(s)
  • Information Processing (Informatics)
  • Computer Graphics
CONT

... the Mac, through QuickTime, shrinks the video image to a small size(160 X 120 pixels) to reduce the amount of video data required for each frame of video.... QuickTime also provides users with a variety of compressors for specific types of files-still images, video, animation, and so on. These compressors allow you to reduce your QuickTime clips’ file size, which can get enormous(the average uncompressed file size of our 30-second test clip was 16 megabytes). The compressors employ spatial compression to reduce the file size of each individual frame and temporal compression to reduce the amount of data repeated across a group of frames.

French

Domaine(s)
  • Traitement de l'information (Informatique)
  • Infographie
OBS

Voir aussi le terme «compresseur d'images» dans la banque Termium.

Spanish

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Record 11 1989-06-08

English

Subject field(s)
  • Shallow Foundations
CONT

As an alternative to the relatively great expense of a still raft of large size above a compressible deposit, substantial economy can be realized by designing a flexible raft and superstructure that can deform without structural damage into the shape corresponding to the compression of the subsoil.

French

Domaine(s)
  • Fondations normales
CONT

(...) si les tassements différentiels sont peu à craindre, si les charges sont également réparties, on adoptera un radier "souple" (...) Les poutres du radier seront calculées comme celles d'un plancher suivant les mêmes conditions de flexibilité.

OBS

Radier de fondation : Fondation constituée par une dalle unique, pleine, nervurée, ou ajourée d'emprise égale ou supérieure à l'emprise de l'ouvrage.

Spanish

Save record 11

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