"field" in inglés with examples - Collocation dictionary inglés
- The term assumes a widescreen aspect ratio of 16:9, a spatial resolution of 1920 x 1080 (2.1 megapixels), and a temporal resolution of 50 or 60 interlaced fields per second.
- This frame rate derives from the PAL television standard of 50i (or 50 interlaced fields per second).
- On this setting, the camera can shoot progressive video - video made up of complete frames instead of interlaced fields.
- NTSC television images are scanned at roughly 60 Hz, with two interlaced fields per frame, displayed at 30 frames per second.
- Two interlaced fields formulate a single frame, because the two fields of one frame are temporally shifted.
- For example 24p means 24 progressive scan frames per second and 50i means 25 progressive frames per second, consisting of 50 interlaced fields per second.
- In general, 720p is more accurate with fast action, because it progressively scans frames, instead of the 1080i, which uses interlaced fields and thus might degrade the resolution of fast images.
- In order to display interlaced signal on such displays, the two interlaced fields must be converted to one progressive frame with a process known as de-interlacing.
- Line doubling takes the lines of each interlaced field (consisting of only even or odd lines) and doubles them, filling the entire frame.
- These images are output as 60 (NTSC) or 50 (PAL) interlaced fields.
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