说明：  此更新将安装 Windows Media Encoder 9 Series，这是一个功能十分强大的工具，媒体制作人员可以利用 Windows Media Encoder 9 Series 中提供的许多新功能。 这些新功能包括高质量的多声道音频、高清晰度的视频质量以及对混合模式声响和音乐内容的支持。
(This update will install Windows Media Encoder 9 Series, this is a very powerful tool, media production staff can use the Windows Media Encoder 9 Series to provide many new features. These new features include high-quality multi-channel audio, high-definition video quality, as well as mixed-mode content of the sound and music support.)