Supreme Admiral wrote:

brand new technology that will start broadcasting in year of 2015.
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plan to start broadcasting with it beginning in 2015
in Japan
New technology takes time to develop and bring the costs down.
The early adopters always pay top price.
Blu-ray
background
Blu-Ray was first announced at the CEATEC exhibition in October 2000
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The first Blu-Ray players were available to consumers in Japan, beginning in April 2003, costing approximately $3,800.
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Sony's first Blu-ray player model BDP-S1 in U.S. cost on October 25, 2006 for
Sony began to mass market their Blu-Ray player for approximately $699.
You can now purchase a Blu-ray player for under $200. in 2009. That is 8 years before it really took off from the first announcement and 9 years before the first Star Trek release on this consumer home video format.
Super Hi-vision (SHV) prototype system demonstrated in September 2003
demonstrated at Expo 2005, Aichi, Japan, the NAB 2006 and NAB 2007 conferences, Las Vegas, and at IBC 2006 and IBC 2008
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from Wikipedia.
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NHK hopes that devices capable of dispaying the 8K resolution images will be available on the market by 2020.
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September 16, 2008
Super Hi-Vision Technology to Reach Consumers in 2020
If SHV was prototyped in 2003 and plans for initial broadcasts to start in 2015 you should plan accordingly for 2020.