K TVs have been around for years, but what is 4K resolution? We take a look at the 4K Ultra High-Definition specification.

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作者|James “我觉得当前的所有的视频平台，不只是任何一个平台，都突破了他们的服务底线。他们本质上觉得，只要用户没有觉得糊到我看不清，完全没法看，我就可以无限的压缩视频的质量。于是，现在平台开始抛弃创作者本身的意图。” ...

For TVs, the generally accepted resolution of 4K is 3840 x 2160 pixels, or exactly four times the pixel count of 1080p, or Full HD. This increased pixel density offers sharper images, more detail ...

Today, 4K monitors are more affordable than they have ever been before. Here are the most budget-conscious displays available ...

Resolution: 4K refers to the screen resolution or pixel density, basically how many pixels are on a screen. In gaming, the ...

These are the best webcams for improving the quality of your game streams and Zoom calls, with 4K and 1080p options for all ...

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The Logitech Brio 100 gets you 1080p at 30fps recording, includes a built-in mic and privacy shutter, and has an incredibly ...

For under $500, these are three of the best 4K TVs you can buy. Call them value or budget, it doesn't really matter in the ...

At $1,699, the Optoma UHZ35 is high brightness standard throw 4K laser projector for movies and gaming with WiSA support.

One of the Explorer's advertised strengths is its lightweight construction, which makes it suitable for extended use.