Digital TV standard announced
By Liu Baijia (China Daily)
Updated: 2006-08-31 08:55
China began to develop its own terrestrial transmission standard in 2001.
Proposals made by Tsinghua University and Shanghai Jiaotong University were
later merged into a final draft proposal.
The Shanghai version borrowed
some principles from the US standard and is suitable for transmission in
sparsely populated remote areas, while the Tsinghua proposal is based on the
same modulation method as current and future mobile communication standards and
has its own patents, which will cut royalty costs.
Zeng Huiming, editor
of the Radio and TV Information magazine, said the standard came out late,
because of the process of reaching a compromise, but it may not be a big problem
for the industry, as China has just started to promote the terrestrial
transmission model.
He believed that an essentially Chinese version of
the standard would not pose a serious threat to foreign equipment manufacturers,
as many of them were already involved in the Chinese proposals and plenty of
time remains for them to adapt the new standard.
Sun Min, vice-president
and board secretary of Tsinghua Tongfang Co Ltd, agreed: "This is just a
beginning with this standard. The real commercial benefits still depend on
future development."
Sun's company, a flagship enterprise of Tsinghua
University, is believed to be a major beneficiary of the Tsinghua
standard.
He said his firm had been working on some transmission and
network construction trials, but these remain in their
infancy.
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