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。

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You can choose video and audio codec and quality.

你可以选择视频和音频解码标准和质量。

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Note: Please consult other Cisco documentation or your local Cisco representative for exact audio codec, video codec, resolution, bit-rate, and encapsulation combinations.

注：请咨询其他Cisco文档或您当地的思科精确的音频编解码器，视频编解码，分辨率，比特率和封装组合的代表。

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