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2. 16:9 aspect ratio - Wikipedia

   en.wikipedia.org/wiki/16:9_aspect_ratio

   16:9 is the only widescreen aspect ratio natively supported by the DVD format. An anamorphic PAL region DVD video frame has a maximum resolution of 720 × 576p, but a video player software will stretch this to 1024 × 576p. Producers can also choose to show even wider ratios such as 1.85:1 and 2.4:1 within the 16:9 DVD frame by hard matting or ...

3. AVCHD - Wikipedia

   en.wikipedia.org/wiki/AVCHD

   Total video converter is a converter for most video formats, including converting from AVCHD and burning AVCHD disc. ... Frame aspect ratio 16:9 4:3, 16:9 16:9 Video ...

4. Aspect ratio (image) - Wikipedia

   en.wikipedia.org/wiki/Aspect_ratio_(image)

   Many digital video cameras have the capability to record in 16:9 (= 4 2:3 2), and 16:9 is the only widescreen aspect ratio natively supported by the DVD standard. DVD producers can also choose to show even wider ratios such as 1.66:1, 1.75:1, 1.77:1 and 1.78:1 [1] within the 16:9 DVD frame by hard matting or adding black bars within the image ...

5. 480p - Wikipedia

   en.wikipedia.org/wiki/480p

   480p is the shorthand name for a family of video display resolutions.The p stands for progressive scan, i.e. non-interlaced.The 480 denotes a vertical resolution of 480 pixels, usually with a horizontal resolution of 640 pixels and 4:3 aspect ratio (480 × 4 ⁄ 3 = 640) or a horizontal resolution of 854 (848 should be used for mod16 compatibility) [1] pixels for an approximate 16:9 aspect ...

6. Common Intermediate Format - Wikipedia

   en.wikipedia.org/wiki/Common_Intermediate_Format

   The simple way to convert NTSC video to CIF is to capture every other field (e.g., the top fields) of interlaced video, downsample it by 2:1 horizontally to convert 704 samples per line to 352 samples per line, and upsample it vertically by a ratio of 6:5 vertically to convert 240 lines to 288 lines.

7. Television standards conversion - Wikipedia

   en.wikipedia.org/wiki/Television_standards...

   These boxes cheaply convert HDTV (16:9 at 720 or 1080) to (NTSC or PAL at 4:3). Very little is known about the specific conversion technologies used by these converter boxes in the PAL and NTSC zones. Downconversion is usually required, hence very little image quality loss is perceived by viewers at the recommended viewing distance with most TV ...