What is the difference between NTSC, PAL, Secam?
NTSC ( National Television Systems Committee), PAL (Phase Alternated by Line), and SECAM (Sequential Couleur avec Memoire) describe the different international broadcast standards. NTSC, which utilizes 525 horizontal lines per frame (2 fields with 262.5 lines per field), is used in all of North America and South America, with the exception of Brazil, and in many parts of East Asia. PAL utilizes 625 horizontal lines per frame ( 2 fields with 312.5 lines per field) is used in mainly Western Europe and some parts of East Asia, including Australia. Secam transmits the same frame/ field rates as PAL however this system encodes color, brightness, and synch information differently from the PAL system. SECAM is used by France, Parts of Eastern Europe, the Mideast, Africa and the Carribean.
