Expert Answers » Digital Television
Digital Television Glossary Definition (English)
4:3 Defined
The following is in context to Digital Television, because it's common for a single word to have multiple meanings you will find additional research links near the bottom of the page.
"This numerical sequence refers to the aspect ratio of
the National Television Systems Committee (NTSC) TV screen, with "4" unit
width corresponding to "3" unit height, proportionally, regardless of the
actual size of the screen."
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Additional 4:3 Definition Starting Points
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