- Aspect Ratio Conversion
- WikiBChanging the original aspect ratio of a HD picture through downconversion to either 16:9 letterbox or 4:3 center cut (see Center Cut)
Audio and video glossary. 2014.
Audio and video glossary. 2014.
Aspect ratio (image) — For other uses, see Aspect ratio (disambiguation). For computer screen topics, see display aspect ratio. For screen rotation and portrait mode, see page orientation. 4:3 redirects here. For the 4/3 digital camera/lens standard, see Four Thirds… … Wikipedia
Pixel aspect ratio — (PAR), in computer graphics terminology, is a mathematical ratio that describes how the horizontal length of a pixel in an imaging system compares to its vertical height.Most modern imaging systems describe an image as a grid of very small but… … Wikipedia
Scan conversion — or scan rate converting is a technique for changing the vertical / horizontal scan frequency of video signal for different purposes and applications.The device which performs this conversion is called scan converter.The application of scan… … Wikipedia
Financial ratio — Corporate finance … Wikipedia
35 mm film — is the basic film gauge most commonly used for both still photography and motion pictures, and remains relatively unchanged since its introduction in 1892 by William Dickson and Thomas Edison, using film stock supplied by George Eastman. The… … Wikipedia
Widescreen — A widescreen image is a film, computer or television image with a wider and shorter aspect ratio than the standard Academy frame developed during the classical Hollywood cinema era. Silent film was projected at a ratio of four units wide to three … Wikipedia
High-definition television — Logo High definition television (HDTV) is video that has resolution substantially higher than that of traditional television systems (standard definition television). HDTV has one or two million pixels per frame, roughly five times that of SD… … Wikipedia
Narrow-bandwidth television — (NBTV) is a type of television designed to fit into a low bandwidth channel, in the extreme case using amateur radio voice frequency channels that only range up to a few kilohertz (though channels ranging into a few tens of kilohertz and beyond… … Wikipedia
Moving image formats — This article discusses moving image capture, transmission and presentation from today s technical and creative points of view; concentrating on aspects of frame rates. Contents 1 Essential parameters 1.1 Image change rate 2 Capture 3 … Wikipedia
motion picture, history of the — Introduction history of the medium from the 19th century to the present. Early years, 1830–1910 Origins The illusion of motion pictures is based on the optical phenomena known as persistence of vision and the phi phenomenon. The first … Universalium