That's because when it came time for the television industry to decide what shape TV would take (in the early 1950s), the National Television Standards Committee (NTSC) selected Academy Standard as the official aspect ratio for TV broadcasting here in the United States (the current TV standard here in the U.S.
www.thedigitalbits.com/articles/anamorphic/aspectratios... www.thedigitalbits.com/articles/anamorphic/aspectratios/widescreenorama.html
The concept is simple enough: aspect ratio is the fractional relation of the width of a video image compared to its height. The two most common aspect ratios in home video are 4:3 (also known as 4x3, 1.33:1, or standard ) and 16:9 (16x9, 1....
http://www.cnet.com/aspect-ratio-guide/
HDTV World > Choose an HDTV > TV aspect-ratio converter ... Just enter the diagonal screen size and aspect ratio of the set you're considering, then click the Calculate button. ... CNET's quick guide to aspect ratio...
www.cnet.com/4520-7874_1-6307377-1.html
Aspect ratio (image) - Wikipedia, the free encyclopedia
The aspect ratio of an image is its width divided by its height. Aspect ratios are mathematically expressed as x : y (pronounced "x-to-y") and x × y (pronounced "x-by-y"). The most common as...
en.wikipedia.org/wiki/Aspect_ratio_(image)
The traditional TV screen has a width to height (aspect) ratio of 4:3 - that means that for every 3 inches in TV screen height, ... If you finally do decide to buy a 16:9 aspect ratio TV, you are going to learn something very quickly: not too many programs are broadcast or otherwise delivered in in the 16:9 format.
www.nicetaco.com/tv.aspx www.nicetaco.com/tv.aspx
If you find them distracting, try cycling through your TV's aspect ratio modes to zoom or vertically stretch the image to fill the screen. ... Get to know your TV's aspect ratio controls. As we discussed before, today's TVs generally have a dedicated button on the remote that lets you quickly cycle through your options.
www.crutchfield.com/ISEO-rgbtcspd/Learn/learningcenter/... www.crutchfield.com/ISEO-rgbtcspd/Learn/learningcenter/home/aspect_ratio.html
When the studio released the home version they had to cut the sides off the images so that it would fit your TV screen. Our televisions use a different aspect ratio than widescreen movies. The aspect ratio of your old TV is 4 :3, which means it's a little wider than it is taller.
www.pbs.org/opb/crashcourse/aspect_ratio/ www.pbs.org/opb/crashcourse/aspect_ratio/
Windows XP Media Center Edition 2005 does not support the Wide Screen Signalling (WSS) detection signal that is transmitted on line 23 of analogue broadcasts, and so the Wide Screen TV aspect ratio is not automatically corrected. ... When you start Microsoft Windows XP Media Center Edition 2005 with a wide screen TV attached,
support.microsoft.com/kb/887317
There are several things you could be talking about when aspect ratio comes up. ... The menu containing the option to override the aspect ratio is: Utilities/Setup > Setup > TV Settings > Playback...
www.mythtv.org/wiki/Aspect_ratio www.mythtv.org/wiki/Aspect_ratio
If a TV's aspect ratio is 16:9 and I know the diag ... OK, now I remember. Been awhile since I had to use the Pythagorean theorem. Got it now and I've calculated the height & width of all the different TV sizes we're considering. ... Does the ratio 3:4:5 ring a bell? Yup, the diagional in this ratio is "5" and 16 and 9 are...
answers.yahoo.com/question/index?qid=20071226194220AAgo... answers.yahoo.com/question/index?qid=20071226194220AAgoQGK