VIDEO BROADCAST STANDARDS
There are some standards defined for video broadcasting. Most countries around the World use one of three main Video Broadcast Standards. These three main standards are NTSC – PAL and SECAM. However, each standard is incompatible with the other. For example, a video recording made in the UK could not be played on US standard VCR’s or shown on the TV. The reason for this is that the UK Video Standard is PAL whereas the US Video Standard is NTSC.
Now let us see what this NTSC, PAL and SECAM are:
NTSC, named after the “National Television System Committee” is the analog television system that was used.
in most of The Americas (except Brazil, Argentina, Paraguay, Uruguay and French Guiana); Burma; South Korea; Taiwan; Japan; the Philippines and some Pacific island nations and territories NTSC technical format is 525 lines per frame at a frame rate of 30 frames per second (fps) at an aspect ratio of 720x480 pixels,
Name of movies in NTSC :
- the town (2010)
- i saw the devl
- coffession of murder
PAL, short for Phase Alternating Line, is a colour encoding system for analogue television used in broadcast television
PAL systems are much more common around the world and can be found in Australia, most of Western Europe, China, some parts of Africa, India, and elsewhere
PAL technical format is 625 lines per frame at a frame rate of 25 frames per second (fps) at a aspect ratio of 720 x 576
Name of movies in PAL
- tomoorw when the war begin
- total recall
SECAM (System Electronic Pour Couleur Avec Memory) is very similar to PAL. It specifies the same number of scan lines and frames per second, but differs in that chrominance (color). It is the broadcast standard for France, Russia, and parts of Africa and Eastern Europe.
HD(high definition). Its video ratio are :
1. Full HD 1980 x 1080
2. Half HD is 1280 x 720
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