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The pillarbox effect occurs in widescreen video displays when black bars (mattes or masking) are placed on the sides of the image. It becomes necessary when film or video that was not originally designed for widescreen is shown on a widescreen display, or a narrower widescreen image is displayed within a wider aspect ratio , such as a 16:9 ...
These bars have been used to censor various parts of images. [ 1 ] [ 2 ] Since the creation of digital editing software which can apply less obtrusive effects such as pixelization and blurring . Censor bars are typically used for satire , [ 3 ] [ 4 ] although they remain in contemporary use to address privacy concerns.
14:9 pillarbox as broadcast in 16:9: the top and bottom of the image are cropped to 14:9, and black bars are added to either side. Another use is for material shot on a 4:3 format. When broadcast in 16:9, the top and bottom of the original frame are cropped to 14:9, and black bars (called pillarboxes) are added to either side. [1]
In letterboxing, the top of the image is slightly lower than usual, the bottom is higher, and the unused portion of the screen is covered by black bars. For video transfers, transferring a "soft matte" film to a home video format with the full frame exposed, thus removing the mattes at the top and bottom, is referred to as an "open matte transfer."
Pixelization (in British English pixelisation) or mosaic processing is any technique used in editing images or video, whereby an image is blurred by displaying part or all of it at a markedly lower resolution. It is primarily used for censorship. The effect is a standard graphics filter, available in all but the most basic bitmap graphics editors.
OpenShot Video Editor is a free and open-source video editor for Windows, macOS, Linux, and ChromeOS. The project started in August 2008 by Jonathan Thomas, with the objective of providing a stable, free, and friendly to use video editor.