For Aspect Ratio we have terms and definitions in 31 topics. The topics are Automotive, Aviation, Boating, Camcorder, Cinematography, Computer Monitor, Computer Technology, DTV, DVD, DVD and CD, Digital Imaging, Electronic Cinematography, Entertainment, Entertainment Law, Film, Film Production, HDTV, Home Audio, Home Theater, Import Cars, Interactive Marketing, Movie, Multimedia, Photography, Real Time 3D, Scanner, Technology, Television, Tires, Video and Video Projector.

Aspect Ratio (Automotive)

Generally the ratio between two dimensions of an object. In tire terminology it applies to the unloaded sidewall height of the tire divided by its overall width. A lower aspect ratio implies a shorter, wider tire. When used to describe a wing it is the span of the airfoil (the long dimension perpendicular to the airflow) divided by its chord (the dimension parallel to the airflow).

Aspect Ratio (Aviation)

The ratio of the span to the chord of an airfoil — a high-aspect ratio wing has wide span and narrow chord, and vice-versa.

ATA SEE CONTROLLED AIRSPACE

ATIS SEE AUTOMATIC TERMINAL INFORMATION SERVICE

Aspect Ratio (Boating)

The relationship between the height of a sail and its breadth. i.e. A sail with a height of 30' and a breadth of 20' has an aspect ratio of 3:2.

Aspect Ratio (Camcorder)

Measures width to height proportion of the television screen and all analog television pictures. Television is 4:3 and HDTV is 16:9.

Aspect Ratio (Cinematography)

The proportion of picture width to height (1.33:1, 1.66:1, 1.85:1 or 2.35:1).

Aspect Ratio (Computer Monitor)

The width-to-height ratio of the active area of a display. Standard U.S. video has an aspect ratio of 4:3.

Aspect Ratio (Computer Technology)

This is the ratio of the width by the height on a monitor or television screen. Most TVs and monitors have a 4 x 3 aspect ratio. The screens are 4 units wide and 3 units high. A movie screen has an aspect ratio of 16 x 9 (about 5 x 3) and that's why we have letter-boxed movies. HDTV screens will also have a 16 x 9 aspect ratio, if they ever come out.

Aspect Ratio (DTV)

The ratio of a television picture width to height. In NTSC video, the standard is 4:3. In HDTV and SDTV widescreen video, it is 16:9.

Aspect Ratio (DVD)

The width-to-height ratio of an image. A 4:3 aspect ratio means the horizontal size is a third again wider than the vertical size. Standard television ratio is 4:3 (or 1.33:1). Widescreen DVD and HTDV aspect ratio is 16:9 (or 1.78:1). Common film aspect ratios are 1.85:1 and 2.35:1. Aspect ratios normalized to a height of 1 are often abbreviated by leaving off the :1.

Aspect Ratio (DVD and CD)

The width-to-height ratio of an image. A 4:3 aspect ratio means the horizontal size is a third again wider than the vertical size. Standard television ratio is 4:3 (or 1.33:1). Widescreen DVD and HTDV aspect ratio is 16:9 (or 1.78:1). Common film aspect ratios are 1.85:1 and 2.35:1. Aspect ratios normalized to a height of 1 are often abbreviated by leaving off the :1.

Aspect Ratio (Digital Imaging)

In computer graphics, the images' relationship of width to height must be kept the same when it is displayed on several screens.

Aspect Ratio (Electronic Cinematography)

The ratio of television picture width to height.

Aspect Ratio (Entertainment)

A measure of the relative sizes of the horizontal and vertical components of an image. "Academy Ratio" is 1.33:1.

Aspect Ratio (Entertainment Law)

(A.R.) The proportion of picture width to height.

Aspect Ratio (Film)

The proportions of the frame. In 16mm and 35mm the camera photographs a slightly square image, with an aspect ratio of 1.33 to 1. Aspect Ratios are usually shorted to leave out the "- to 1," taking for granted that it will always be in relation to 1, an so "1.33 to 1" can just be called "1.33" In 35mm 1.33 is known as the Academy Aperture. In 35mm the image is usually shot with the Academy Aperture and then masked in the projector to produce a wider image: 1.85 in the U.S. and 1.66 in Europe.

Aspect Ratio (Film Production)

The proportion of picture width to height (1.33:1, 1.66:1, 1.85:1 or 2.35:1).

Aspect Ratio (HDTV)

The ratio of width to height for an image or screen. The North American NTSC television standard uses the squarish 4:3 (1.33:1) ratio. More and more direct-view and projection TVs (especially digital TVs) use the wider 16:9 ratio (1.78:1) to better display widescreen material like anamorphic DVDs and HDTV broadcasts.

Aspect Ratio (Home Audio)

The relationship of the horizontal dimension to the vertical dimension of a rectangle. In viewing screens, standard TV is 4:3, or 1.33:1 (similar to the Academy standard for films before the 1950’s); HDTV is 16:9, or 1.78:1.

Aspect Ratio (Home Theater)

The ratio of the width to the height of a direct-view picture or projected image. The standard aspect ratio for HDTV is currently 16:9 (rectangular, wide screen image). The National Television Standards Committee (NTSC) standard for analog television broadcasts is 4:3 (traditional square format).
color wheel
Central to DLP® technology's unique color filtration process, the color wheel is a small spinning disk composed of red, green, and blue filters that rotates at speeds exceeding 120 revolutions per second. The DMD (Digital Micromirror Device) briefly creates an image for each color. The viewer's eye combines these images to form a complete picture.

Aspect Ratio (Import Cars)

Also known as tire profile. A measurement of the cross-sectional height to the cross-sectional width of a tire expressed as a percentage.

Aspect Ratio (Interactive Marketing)

The width-to-height ratio of the picture frame. TV broadcasts at a 4:3 (1.33:1) aspect ratio; digital TV will be broadcast with a 16:9 (1.78:1) ratio; and most feature films are shot in at least a 1.85:1 ratio. IMUs have an aspect ratio of 6:5 (330x 250; 336 x 280; and 180 x 150).

Aspect Ratio (Movie)

The width-to-height ratio of a movie frame and screen. Standard aspect ratio is 1.33 to 1; CinemaScope uses 2.35 to 1.

Aspect Ratio (Multimedia)

The ratio of the width of the picture to the height. Displays commonly have a 4:3 or 16:9 aspect ratio. Program material may have other aspect ratios (such as 2.35:1), resulting in it being "letterboxed" on the display.

Aspect Ratio (Photography)

The ratio of width to height. Used in the imaging industry to define applicability of an image to fit a page, screen, monitor, or frame. For example, a 35mm frame is 3:2, a TV is 4:3, and HDTV is 16:9.

Aspect Ratio (Real Time 3D)

A number that describes the shape of a rectangular texture, whether it's tall or wide. To get the aspect ratio, either divide the width by the height, or write it out as width:height. Aspect ratio helps you decide what kinds of changes need to be done to an image to get it to display correctly, like when you have to scale the image. Aspect ratio gets kind of complex when you have to deal with non-square pixels and other oddities-- not very important to the artist. See also anisotropic filtering. The aspect ratio for a 64x32 bitmap is 2 (2:1), while a 640x480 image is 1.33 (4:3).

Aspect Ratio (Scanner)

The relative proportion of the length and width of an image. For example, if you scan an original that measures 4 by 6 inches, it will have an aspect ratio of 4:6, or 2:3.

Aspect Ratio (Technology)

This is the ratio of the width by the height on a monitor or television screen. Most TVs and monitors have a 4 x 3 aspect ratio. The screens are 4 units wide and 3 units high. A movie screen has an aspect ratio of 16 x 9 (about 5 x 3) and that's why we have letter-boxed movies. HDTV screens will also have a 16 x 9 aspect ratio, if they ever come out.

Aspect Ratio (Television)

The ratio of width to height for a picture or screen. The original TV standards (NTSC, PAL, SECAM) are all based on a 4:3 (1.33:1) aspect ratio. This is approximately the Academy ratio which most movies prior to 1950 were shot. Wide screen movies were invented to attract moviegoers who would otherwise stay at home watching TV. The U.S. high definition TV standard calls for a 16:9 (1.77:1) aspect ratio. Several other aspect ratios are used in movie production, 1.85:1, 2.00:1, and 2:35:1 being common.

Aspect Ratio (Tires)

The ratio of 'SECTION HEIGHT' TO 'SECTION WIDTH'. Section height divided by section width of a tire expressed as 78 series, 70 series, etc. The section height is 70% of the section width when referring to 70 series. These are low profile tires, and may be called ultra low profile.

Aspect Ratio (Video)

The ratio of the vertical to the horizontal image size. This is usually 3:4.

Aspect Ratio (Video Projector)

The ratio of width to height of picture. The aspect ratio of most computer pictures and normal video pictures is 4:3. HDTV provides 16:9 aspect ratio to cover various wide screen sources.

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