Advanced Interactive Media/Determining Project Pixel Size for Various Digital Medias

How big should it be? Pixel frame sizes for various media formats
When producing digital visual media (stills or video) one of the first perplexing, yet relatively simple problems encountered is related to the question of pixel size dimensions. "How big should my project frames be for computer screens, the web, DVD, Podcasting, HD DVD, etc.?

Below are three URL links that provide good explanations. Be sure to notice the squeezing effect that occurs when projects move from screens with square pixels to those with rectangular pixels.

Computer Monitors
15" - 640x480 17" 800x600 19" - 1024-768 Newer, wide screen 22" monitors becoming common around 2007: 1440x900

Standard Definition Video
350×240 (260 lines): Video CD 330×480 (250 lines): Umatic, Betamax, VHS, Video8 400×480 (300 lines): Super Betamax, Betacam (pro) 440×480 (330 lines): analog broadcast 560×480 (420 lines): LaserDisc, Super VHS, Hi8 670×480 (500 lines): Enhanced Definition Betamax

Digital Formats
720×480 (520 lines): D-VHS, DVD, miniDV, Digital8, Digital Betacam (pro) 720×480 (400 lines): Widescreen DVD (anamorphic) 1280×720 (720 lines): D-VHS, HD DVD, Blu-ray, HDV (miniDV) 1440×1080 (810 lines): HDV (miniDV) 1920×1080 (1080 lines): D-VHS, HD DVD, Blu-ray, HDCAM SR (pro) 10,000×7000 (7000 lines): IMAX, IMAX HD, OMNIMAX

More Information About Screen Sizes and Pixel Dimensions
http://forum.ecoustics.com/bbs/messages/34579/118003.html http://www.gregl.net/videophile/anamorphic.htm http://en.wikipedia.org/wiki/Image_resolution