Google has recently announced WebM, an open source, royalty free media file format consisting of the following components: VP8 video codec, Vorbis audio codec, and the Matroska media container.
近日，Google开源了WebM——用于视频压缩与编码的免费媒体文件格式，它主要包含如下组件：VP8视频codec、Vorbis音频codec以及Matroska媒体容器。
Note that this includes all kind of media failures, container corruption, and so on.
注意，这包括了各种媒介失败，容器被损坏等。
Moreover, Meyrowitz makes three metaphors, which is container, grammar , media or environment, to explain the characteristic of "media". The coal is lain between, and the three are compatible.
不仅如此，梅罗维茨对“媒介”的特性作出三喻：媒介是容器、媒介是语法、媒介是环境，三者彼此兼容。
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