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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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