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PAL. Analog television encoding systems by nation: NTSC (green), SECAM (orange), and PAL (blue) Phase Alternating Line (PAL) is a colour encoding system for analog television. It was one of three major analogue colour television standards, the others being NTSC and SECAM.
SECAM, also written SÉCAM (French pronunciation: [sekam], Séquentiel de couleur à mémoire, French for color sequential with memory), is an analog color television system that was used in France, Russia and some other countries or territories of Europe and Africa. It was one of three major analog color television standards, the others being ...
576i is a standard-definition digital video mode, [1] originally used for digitizing 625 line analogue television in most countries of the world where the utility frequency for electric power distribution is 50 Hz. Because of its close association with the legacy colour encoding systems, it is often referred to as PAL, PAL/ SECAM or SECAM when ...
Analog television systems were standardized by the International Telecommunication Union (ITU) in 1961, [1] with each system designated by a letter (A-N) in combination with the color standard used (NTSC, PAL or SECAM) - for example PAL-B, NTSC-M, etc.). These analog systems for TV broadcasting dominated until the 2000s.
NTSC. NTSC (from National Television System Committee) is the first American standard for analog television, published and adopted in 1941. [1] In 1961, it was assigned the designation System M. It is also known as EIA standard 170. [2] In 1953, a second NTSC standard was adopted, [3] which allowed for color television broadcast compatible with ...
SECAM, a format associated with French-speaking Europe, while using the same resolution and refresh rate as PAL, is a distinct format which uses a very different system of color encoding. Some DVD players can only play discs identified as NTSC, PAL or SECAM, while others can play multiple standards. [9]
25i, also known as 50i, is an interlaced format showing 25 interlaced frames per second, or 50 fields per second, and is the standard broadcast framerate for countries with a PAL and SECAM television history (most of the world). The interlaced format sacrifices some detail in vertical resolution in favor of a higher apparent framerate, and can ...
Analog TV systems global map, with System B in blue. CCIR System B (originally known as the "Gerber Standard" [1][2][3][4]) was the 625-line VHF analog broadcast television system which at its peak was adopted by more than one hundred countries, either with PAL or SECAM colour. [5] It is usually associated with CCIR System G for UHF broadcasts ...