Japan on Monday began test broadcasts of satellite television programmes in 4K, as major firms including Sony and Sharp bet on the super high-definition technology to rescue their embattled TV units. The technology has four times the resolution of standard high-definition televisions, but high prices have so far limited commercial sales of 4K-equipped televisions. I think its wonderful that 4K broadcasting through a satellite will be available in households nationwide for the first time in the world, said Yoko Kamikawa, vice minister of the Internal Affairs and Communication Ministry, as the test started. The country is hoping to unveil 8K technology commercially before Tokyos hosting of the 2020 Olympics.
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