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| | High-definition television - Wikipedia, the free encyclopedia |
 | | Historically, the term high-definition television was also used to refer to television standards developed in the 1930s to replace the early experimental systems, although, not so long afterwards, Philo T. Farnsworth, John Logie Baird and Vladimir Zworykin had each developed competing TV systems but resolution was not the issue that separated their substantially different technologies. |
| | SMPTE 292M interconnects are generally unavailable in consumer equipment, partially due to the expense involved in supporting this format, and partially because consumer electronics manufacturers are required (typically by licensing agreements) to not provide unencrypted digital outputs on consumer video equipment, for fear that this would aggravate the issue of video piracy. |
| | When shown on television in countries using PAL, film must be converted to 25 frames per second by speeding it up by 4,1%. |
| en.wikipedia.org /wiki/High_definition_television (6160 words) |
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