Video can be stored in many different formats.
视频信息可以通过多种信息存储。

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The AVI Format
AVI 格式

The AVI (Audio Video Interleave) format was developed by Microsoft.
AVI （音频、视频转换）格式是微软开发的技术。

The AVI format is supported by all computers running Windows, and by all the most popular web browsers. It is a very common format on the Internet, but not always possible to play on non-Windows computers.
AVI 格式被所有运行Windows操作系统的计算机所支持，而且被当今所有流行的浏览器所支持。在当今的互联网上，它是最为流行的格式。但是，它一般不能被非Windows操作系统的计算机支持。

Videos stored in the AVI format have the extension .avi.
以AVI格式存储的视频文件的扩展名是.avi。

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The Windows Media Format
Windows 多媒体格式

The Windows Media format is developed by Microsoft.
Windows多媒体格式是由微软公司开发的。

Windows Media is a common format on the Internet, but Windows Media movies cannot be played on non-Windows computer without an extra (free) component installed. Some later Windows Media movies cannot play at all on non-Windows computers because no player is available.
Windows多媒体是互联网上所使用的一种非常流行的格式，但是，Windows多媒体电影不能在非Windows操作系统的计算机上播放，除非安装插 件；一些较新版本的Windows 多媒体影片就不能在非Windows操作系统的计算机上播放了，因为没有一款播放器支持它。

Videos stored in the Windows Media format have the extension .wmv.
以Windows多媒体格式存储的视频的扩展名是.wmv。

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The MPEG Format
MPEG 格式

The MPEG (Moving Pictures Expert Group) format is the most popular format on the Internet. It is cross-platform, and  supported by all the most popular web browsers.
MPEG（运动图象专家组）格式是当前互联网上最为流行的格式。它是一个交互式平台，并被所有流行的网络浏览器支持。

Videos stored in the MPEG format have the extension .mpg or .mpeg.
以MPEG存储的视频的扩展名是：.mpg 或 .mpeg。

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The QuickTime Format
QuickTime 格式

The QuickTime format is developed by Apple.
QuickTime 格式是由苹果公司开发的。

QuickTime is a common format on the Internet, but QuickTime movies cannot be played on a Windows computer without an extra (free) component installed.
QuickTime 是互联网上的通用格式。但是，QuickTime电影不能在Windows计算机上播放，除非安装一个额外的插件。

Videos stored in the QuickTime format have the extension .mov.
以QuickTime存储的视频的扩展名是：.mov。

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The RealVideo Format
RealVideo 格式

The RealVideo format was developed for the Internet by Real Media.
RealVideo格式是由Real Media公司开发的网络影片播放格式。

The format allows streaming of video (on-line video, Internet TV) with low bandwidths. Because of the low bandwidth priority, quality is often reduced.
这个格式支持低带宽的流媒体（在线视频、网络电视）。由于它可以满足低带宽的用户，质量通常不尽人意。

Videos stored in the RealVideo format have the extension .rm or .ram.
以RealVideo存储的视频的扩展名是：.rm 或 .ram。

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The Shockwave (Flash) Format
Shockwave （Flash）格式

The Shockwave format was developed by Macromedia.
Shockwave格式是由Macromedia公司开发的。

The Shockwave format requires an extra component to play. This component comes preinstalled with the latest versions of Netscape and Internet Explorer.
Shockwave 格式的影片需要安装额外的插件才能播放。这些插件会预先安装在最新版本的Netscape 和 IE 浏览器中。

Videos stored in the Shockwave format have the extension .swf.
以Shockwave存储的视频的扩展名是：.swf。

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