A television set that works in the United States won't receive programs in Europe.
A video cassette that plays in a VHS player in Germany won't play in a VHS player in the United States.
Three main analog TV systems have arisen: NTSC, PAL and SECAM. All had an interlace of 2:1 and an aspect ratio of 4:3, otherwise they differ.
|Lines per frame||525||625||625|
|Frames per second||30||25||25|
CCIR Report 624-2, in vol. XI of the XVth Plenary Assembly of the CCIR (Geneva 1982) by ITU
See the following pages for the analog systems in use in various nations.
|Central America and the Caribbean||Middle East|
For technical details and citations of the various national standards, see Chapter 21 of
K. Blair Benson, editor.
Television Engineering Handbook.
New York: McGraw-Hill, 1986.
Copyright © 2000 Sizes, Inc. All rights reserved.
Last revised: 30 August 2004.