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2. Television standards conversion - Wikipedia

   en.wikipedia.org/wiki/Television_standards...

   PAL and SÉCAM use 625 lines at 50 fields/s or 25 frames/s; NTSC uses 525 lines at 59.94 fields/s (60000/1001) or 30 frames/s; The NTSC standard is temporally and spatially incompatible with both PAL and SÉCAM. Aside from the line count being different, converting to a format that requires 60 fields every second from a format that has only 50 ...

3. PAL - Wikipedia

   en.wikipedia.org/wiki/PAL

   When operating in this mode most of them do not output a true (625/50) PAL signal, but rather a hybrid consisting of the original NTSC line standard (525/60), with colour converted to PAL 4.43 MHz (instead of 3.58 as with NTSC and South American PAL variants and with the PAL-specific phase alternation of colour difference signal between the ...

4. Broadcast television systems - Wikipedia

   en.wikipedia.org/wiki/Broadcast_television_systems

   Broadcast television systems (or terrestrial television systems outside the US and Canada) are the encoding or formatting systems for the transmission and reception of terrestrial television signals. Analog television systems were standardized by the International Telecommunication Union (ITU) in 1961, [1] with each system designated by a ...

5. PAL-M - Wikipedia

   en.wikipedia.org/wiki/PAL-M

   PAL-M is the analogue colour TV system used in Brazil since early 1972, [1][2] making it the first South American country to broadcast in colour. It is unique among analogue TV systems in that it combines the 525-line 30 frames-per-second System M with the PAL colour encoding system (using very nearly the NTSC colour subcarrier frequency ...

6. Interlaced video - Wikipedia

   en.wikipedia.org/wiki/Interlaced_video

   Though the color standards are often used as synonyms for the underlying video standard - NTSC for 525i/60, PAL/SECAM for 625i/50 - there are several cases of inversions or other modifications; e.g. PAL color is used on otherwise "NTSC" (that is, 525i/60) broadcasts in Brazil, as well as vice versa elsewhere, along with cases of PAL bandwidth ...

7. Video standards converter - Wikipedia

   en.wikipedia.org/wiki/Video_standards_converter

   Video standards converter. A video standards converter is a video device that converts NTSC to PAL and/or PAL to NTSC. [1] The PAL TV signals may be transcoded to or from SECAM. Video standards converters are primarily used so television shows can be viewed in nations with different video standards. With the use of high-definition television ...