Teletext System and Its Application in Vietnamese Language Television Broadcasting
Corressponding author's email:
hatt@hcmute.edu.vnKeywords:
Teletext, LanguageAbstract
The paper gives readers a short overview on the operation of the Teletext system which is used in conjunction with the analog television system to broadcasting supplemental data together with conventional television programs. More than just a tutorial for the well-known Teletext technology, the work focuses on a possible solution to deploy this enhanced service to broadcasting data written in Vietnamese language. The target is to develop the Vietnamese teletext system at the possibly minimum cost. Exploiting the features and capability of the current Teletext, which is largely hardware-supported at present, a compromised solution is proposed. Its implementation and testing are on progress.
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References
ETS 300 706: Enhanced Teletext specification, ETSI, 1997
ETS 300 708: Data transmission within Teletext.
ISO 6937/2 (1983) + Addendum (1989): Information processing – Coded character sets for text communication – Part 2: Latin alphabet and non-alphabet graphic characters.
ETR 287: Code of Practice for Enhanced Teletext.
TR 101 231: Register of Country and Network Identification codes for Teletext based Systems.
prTR 101 233: Television systems: Code of Practice for allocation of services in the Vertical Blanking Interval (VBI).
D. Kramer, Higher level Tetetext in action, EBU Technical Review, Spring 1998.
W. Bruckner, Teletext in digital television, EBU Technical Review, March 2001.
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