Teletext. Program production and transmission equipments for teletext.
نویسندگان
چکیده
منابع مشابه
A Digital Teletext Service
Digital Teletext is one of the most important interactive services of emerging digital television. As an enhanced version of existing analogue Teletext service, it’s a resident application of the set-top box. Its information will be stored in a data carousel and transmitted via broadcasting network. The new service can display smooth graphics and images, have page links and a menu driven naviga...
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The 1997 Internationale Funkausstellung (IFA 97) saw the market launch of the first sets compatible with this display level. It was soon clear that there was little to be gained from modernizing teletext by raising the level. Despite the improvement brought about by the introduction of teletext level 2.5 – with 32 colours and improved graphics – the big gamble did not come off because it had to...
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Digital television offers significantly increased capacity, which can be used to provide digital Teletext service. The existing digital Teletext belongs to enhanced broadcast application profiles. It has only local interactivity and no return channel is needed. The digital Teletext with two-way interactivity is highly expected both from the growing market and the research area. This paper prese...
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This paper shows that a new Data-to-Speech system, called GoalGetter, could be created relatively easily from an existing one, the DYD system, despite the fact that the domain, the language and the speech output technique differ. It is shown that the original system is easily portable and that problems that arose after porting can receive generalized solutions so that the system as a whole is e...
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In this paper, we introduce durational rules in text-to-FingerBraille. Finger Braille is one of the communication methods for the deaf blind and it seems to be the medium most suited to real-time communication and for expressing the feelings of the speaker because of its prosody existing similarly to spoken languages. First, we analyzed duration between two Braille codes in Finger Braille and f...
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ژورنال
عنوان ژورنال: The Journal of the Institute of Television Engineers of Japan
سال: 1986
ISSN: 0386-6831,1884-9652
DOI: 10.3169/itej1978.40.32