For simplicity's sake we'll refer to the technology as 4K here, but you will find it called Ultra HD just as often - it essentially refers to the quality of the video picture you're seeing ...

寻找认证标志 一些真正的4K电视品牌会获得认证标志，如“Ultra HD Premium”或“4K Ultra HD”。这些标志证明该电视是经过认证的真4K产品。 播放4K视频检测 你可以在网上下载一些4K视频样片进行播放，观察播放过程中是否出现卡顿等问题。 需要指出的是，某些伪4K ...

Amazon's "October Prime Day" runs just two days on Oct. 8 and 9, but Target is hosting a whole week of deals. Target's last ...

Sky Sports Main Event and Sky Sports F1 are now even better in Ultra HD If you are a Sky Sports Complete or Sky Sports F1 and UHD customer, you can enjoy channels 401 and 406 in the very best picture ...

But, while all 4K TVs offer an Ultra HD resolution of 3,840 x 2,160 pixels, overall picture quality can vary greatly between different models. To help you find the right display for your needs ...

With that in mind, it makes sense to opt for the best 4K home security cameras. These cameras provide a crisp view of both the inside and outside of your property, and you also get advanced ...

这一套组合共同构成了PICO 4 Ultra强大的MR混合现实感知能力。 PICO 4 Ultra还搭载了高素质的双目4K+超视感屏，支持默认高达90Hz的高刷显示，还在出厂环节就做了色彩校准。令人惊喜的是，PICO 4 ...

Kingdom of the Planet of the Apes is available on Ultra HD Blu-ray in a native 4K, HEVC / H.265, HDR10 presentation with a 2.39:1 aspect ratio. The picture’s lighter areas stand out, creating a ...

The best 4K Blu-ray players deliver the ultimate picture quality for watching movies and TV series at home. Although streaming services are popular, Blu-rays deliver video at a higher bitrate ...

The best 4K Blu-ray players deliver the ultimate picture quality for watching movies and TV series at home. Although streaming services are popular, Blu-rays deliver video at a higher bitrate ...

Inside Out 2—Disney-Pixar’s animated blockbuster starring the voices of Amy Poehler, Maya Hawke and Ayo Edebiri—will be released on 4K Ultra HD, Blu-Ray and DVD this week. The Numbers also ...

Along with the AirPods 4 and the AirPods Max, the iPhone 16 is now available for pre-order — here's the release date, pricing ...