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hd和bd哪个清晰
hd和bd是什么
[摘要]我们看电影的时候，经常会看到hd、bd这样的字眼，那么hd和bd究竟代表什么呢？hd和bd哪个清晰一些呢？下面小编将为大家详细分析hd和bd的区别。
& & & 什么是hd
& & & hd，即HDRip。是HDTVRip（高清电视资源压缩）的缩写，是用DivX/XviD/x264等MPEG4压缩技术对HDTV的视频图像进行高质量压缩，然后将视频、音频部分封装成一个.avi或.mkv文件，最后再加上外挂的字幕文件而形成的视频格式。画面清晰度更高。hd通常把物理分辨率达到720p以上的格式则称作为高清，英文表述High Definition，简称HD。所谓全高清（Full HD），是指物理分辨率高达逐行扫描，即1080p，是目前顶级的高清规格，所以这种高清电影被称为HD版。
& & & 什么是bd
& & & BD是BlueDisk的简称，翻译成中文是&蓝光影碟&的意思。就是从蓝光影碟转录的视频和音频，画面清晰度很高。BD英文全名是Blu-ray Disc，一种高清的电影版本这种电影十分清晰但是数据量巨大，占数十G甚至上百G的容量，只有蓝光光碟才能装得下，所以这种高清电影被称为BD版。 蓝光（Blu－ray）或称蓝光盘（Blu－ray Disc，缩写为BD）利用波长较短（405nm）的蓝色激光读取和写入数据，并因此而得名。蓝光光碟,英文名Blu-ray Disc，简称BD。是DVD之后的下一代光盘格式之一，用以存储高品质的影音以及高容量的数据存储。一个单层的蓝光光碟的容量为25或是27GB，足够录制一个长达4小时的高解析影片。
& & & hd和bd哪个清晰
& & & 清晰度：BD&HD＞DVD
& & & BD是蓝光的简写，HD是高清的简写。蓝光版属于高清版的一种。以前蓝光和HD-DVD两大阵营竞争，一部电影既发行蓝光又发行HD碟。最后蓝光胜出，HD碟不再有了，现在的电影只发行蓝光了。蓝光原盘或者REMUX是最清晰的，其次是根据蓝光原盘压缩的1080P等等。有时还有HDTV版，应该是高清电视转录，一般不如BD清晰。BD和HD要比DVD要清晰的多。看电影，要首选BD版本的，再是HD，最后是DVD版本
& & & 以上便是hd和bd的介绍与关于hd和bd哪个清晰的分析，通过分析，大家可以根据需要来选择观看影片的版本。不过如果只是在家庭电脑上观看影片的话，hd就已经足够了。
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