DVDrip与DVDscr的区别

       在网上下载电影的时候经常会看到有DVDrip和DVDscr这样的版本,有些朋友可能会认为这两个版本是一样的,其实他们是有区别的,DVDrip比DVDscr的质量要好一些。下面看看他们具体有些什么区别吧?

1、DVDrip

       DVDRIP是用正式版DVD做为片源用DVD做为片源进行重新压缩编码的文件。通常用Mpeg4(DivX、XviD)来进行视频压缩,用MP3或AC3等压缩音频,同时可以支持外挂字幕。比较流行的视频编码有DivX、XviD以及X264等等。DVD光盘的容量有5G之大,但是DVDRip通常只有700Mb左右?而DVDRip的视频与音频质量与原DVD相差无几,因此DVDrip一推出之后就大受欢迎。

       通常DVDrip由影音文件(后缀为avi)和字幕文件组成。

 

2、DVDscr

       DVDscr同样是通过mpeg-4技术进行高质量压缩的视频格式,也支持外挂字幕,在媒体压缩技术上与DVDrip是相同的。但DVDscr不是使用正式版的DVD光盘作为片源。一般是从预览版的或者是测试版的DVD中获取,因此画质会比DVDrip稍差,影片分辨率也比DVDrip要低,经常有一些不在黑边里在屏幕下方滚动的消息,包含版权和反盗版电话号码,会影响观看。

       DVDscr最大的优点是发布的时间比DVDrip要早,而且DVDscr比那些在电影院偷拍的“枪版”质量要好的多。心急想看大片,又等不及DVDrip或BD(蓝光)版的朋友可以先下载DVDscr版观看。

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