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What is a vodcast?: Difference between revisions
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===Size=== | ===Size=== | ||
Aspect Ratio is an important criterion to consider. There are two primary ratios, 4:3 and 16:9. The current standard is 16:9, or 'widescreen'.<ref>http://documentation.apple.com/en/dvdstudiopro/usermanual/chapter_4_section_4.html</ref> There are other less-used ratios, primarily used in film.<ref>http://www.red.com/learn/red-101/video-aspect-ratios</ref> | Aspect Ratio is an important criterion to consider. There are two primary ratios, 4:3 and 16:9. The current standard is 16:9, or 'widescreen'.<ref>http://documentation.apple.com/en/dvdstudiopro/usermanual/chapter_4_section_4.html</ref> There are other less-used ratios, primarily used in film.<ref>http://www.red.com/learn/red-101/video-aspect-ratios</ref> | ||
The larger the video, the more bandwidth (internet speed) needed for downloading and streaming the video, and the longer it takes to upload. | |||
====HD / Widescreen==== | ====HD / Widescreen==== | ||
=====Aspect Ratio 16:9===== | =====Aspect Ratio 16:9===== | ||
* Modern Television | * Modern Television | ||
The current standard for television and High Definition video created by consumer-grade cameras and software.<ref>http://www.projectorcentral.com/build_home_theater_screen_aspect_ratio.htm</ref> | The current standard for television and High Definition video created by consumer-grade cameras and software.<ref>http://www.projectorcentral.com/build_home_theater_screen_aspect_ratio.htm</ref> | ||
Popular sizes:<ref>http://pacoup.com/2011/06/12/list-of-true-169-resolutions/</ref> | |||
* 384x216 | |||
* 512x288 | |||
* 640x360 | |||
* 768x432 | |||
* 1024x576 | |||
* 1280x720 | |||
* 1920x1080 | |||
* 2560x1440 | |||
====Standard Definition==== | ====Standard Definition==== | ||
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This is the size, or ratio, of 20th century televisions.<ref>http://filmmakeriq.com/lessons/the-changing-shape-of-cinema-the-history-of-aspect-ratio/</ref> The aspect ratio of 4:3 is slightly rectangular but much more box-shaped than widescreen formats. Many older camcorders and webcams output to the 4:3 ratio. | This is the size, or ratio, of 20th century televisions.<ref>http://filmmakeriq.com/lessons/the-changing-shape-of-cinema-the-history-of-aspect-ratio/</ref> The aspect ratio of 4:3 is slightly rectangular but much more box-shaped than widescreen formats. Many older camcorders and webcams output to the 4:3 ratio. | ||
Popular sizes:<ref>http://jufa.wordpress.com/2009/04/20/good-standard-43-and-169-video-sizes-for-flv-compression/</ref> | |||
* 320×240 | |||
* 480×320 | |||
* 512×384 | |||
* 640×480 | |||
* 720×480 | |||
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