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| | High-definition television - Wikipedia, the free encyclopedia |
 | | Another reason for HD-MAC's failure was that it was not realistic to use 36 MHz for a high definition signal in terrestrial broadcasting (SDTV uses 6, 7 (VHF), or 8 MHz (UHF)). |
 | | When, in the late 1960s, a second TV channel and color TV were introduced in Europe, the UK dropped its 405-line TV system and France dropped its 819-line system, making all European countries agree to use 625 lines (576i) for their TV transmissions. |
 | | Citytv's CITY TV in Toronto was the first HDTV broadcaster in Canada, however very few shows are shown in HDTV beyond the well known ones such as CSI, ER, etc. as of early 2005. |
| en.wikipedia.org /wiki/HDTV (3698 words) |
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