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Animation of an interlaced CRT TV display, showing odd and even fields being scanned in sequence, to display a full frame. Interlaced video (also known as interlaced scan) is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth.
25i, also known as 50i, is an interlaced format showing 25 interlaced frames per second, or 50 fields per second, and is the standard broadcast framerate for countries with a PAL and SECAM television history (most of the world). The interlaced format sacrifices some detail in vertical resolution in favor of a higher apparent framerate, and can ...
Free-to-air analog TV was mostly broadcast as interlaced material because the trade-off of spatial resolution for frame rate reduced flickering on cathode-ray tube (CRT) televisions. High-definition digital television (see: HDTV ) today can be broadcast terrestrially or distributed through cable systems in either interlaced (1080i) or ...
The programme focuses on inventions based around various themes, and consists of live-action films interlaced with animated claymation segments hosted by characters Wallace & Gromit, featuring a side-plot connected to that episode's theme. While Sallis reprises his role as the voice of Wallace, live-action film segments were either narrated by ...
Two sizes of images are typically used: 1920×1080 ("1080i/p") and 1280×720 ("720p"). Confusingly, interlaced formats are customarily stated at 1/2 their image rate, 29.97/25 FPS, and double their image height, but these statements are purely custom; in each format, 60 images per second are produced. A resolution of 1080i produces 59.94 or 50 ...
Barrier-grid animation or picket-fence animation is an animation effect created by moving a striped transparent overlay across an interlaced image. The barrier-grid technique originated in the late 1890s, overlapping with the development of parallax stereography ( Relièphographie ) for 3D autostereograms .
A sophisticated animated tale is delivered, along with an astounding message and pristine dialogue. This cartoon proved so impressive it spawned a live-action TV-movie (starring John Goodman) in 2006.
Raidió Teilifís Éireann in the Republic of Ireland used a variety of material as interstitials; often animation, including Roger Mainwood's video of Kraftwerk's hit Autobahn, Halas and Batchelor shorts, and stop-motion Soviet cartoons; also rhythmic gymnastics performances, instrumental music, or sometimes simply a test card.