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Out of curiosity, why 4k? why not 2k? or some other number? Is this some sort number pulled out of a hat? Or is it related to some piece of technology?


It’s the screen’s horizontal resolution: four times that of 1080, the present hi-def standard. There’s more in brief at and in detail at

One problem I see with 4K –even though the resolution is boggling – is it’s yet another media change necessitating new editions of existing movies. It may be that, as a Blu-ray player can process DVDs and can upscale to 1080, a 4K player will do the same. But transitioning from a 1080 screen means buying a new TV. Before that’s viable prices have to drop considerably.

Right now I can put up a decent home theater for less that $3,000: that wouldn’t be enough for a down payment on a 4K system.

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