V2EX ultra-high-definition

Ultra-high-definition

定义 Definition

超高清(UHD):指分辨率显著高于高清(HD)的影像标准与画质表现,常见为 4K(约 3840×2160)及 8K(约 7680×4320)。也可泛指“极高画质/极清晰度”的视频或显示效果。(在不同语境下也可能写作 ultrahigh-definition 或缩写为 UHD。)

发音 Pronunciation (IPA)

/ltr ha dfnn/

例句 Examples

The TV supports ultra-high-definition video.
这台电视支持超高清视频。

With ultra-high-definition footage, every detail in the landscape becomes vividly clear, even on a large screen.
使用超高清画面时,即使在大屏幕上,风景中的每个细节也会变得格外清晰。

词源 Etymology

该词由 **ultra-**(“超越、极度”)+ high(“高”)+ definition(“清晰度;分辨率/画质标准”)构成。作为技术与消费电子领域的复合形容词,它随着 4K/8K 电视与流媒体的发展而普及,用来强调“比高清更高的分辨率与细节呈现”。

相关词 Related Words

文学作品用例 Notable Literary Works

该词属于相对较新的技术术语,主要见于产品规格、技术文档、新闻报道与评论中;在传统经典文学作品中出现较少。较常见于当代非虚构写作与媒体文本(如科技专栏、影视制作手册、消费电子评测)对影像标准的描述。

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