TeleText
TeleText – An information service of 200-700 “pages” covering a wide range of topics including TV Schedules, News, Financial Market prices, Comment, Reviews, Concert & Theater information. Subtitles are typically transmitted on page 888 in the UK, on pages 199/299/399 in Belgium and Holland, on page 150 in Germany and on page 777 in Italy. There are a number of variant character sets used, but the encoding is identical and all English alphabet characters plus numbers and most punctuation can be handled by any decoder. Includes support for 8 colors, and limited block graphics, and selective revealing of underlying TV picture. Transmitted on a variable number of lines (specified in header which contains basic information such as time, date and channel), starting on line 12 and continuing for 7-8 lines typically. Found on broadcasts and some Laserdiscs, recording of TeleText signals is marginal on S-VHS, almost impossible on VHS hence the PAL/625 version of CC.
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