This will be the easiest way to do audio if you don’t require any background music (I guess you could do a nasty hack and loop a 30 sec clip but that would be shameful ).

如果你不要求任何背景音乐，这将是最容易的播放音频的方式了。

youdao

A user could be listening to an audio clip while she is scrolling a page, and in the background the browser is downloading an image.

一个用户可以在听一段音频剪辑的同时滚动页面，而在后台浏览器还在下载着图像。

youdao

Use the channels technique to clip out the subject from the background.

使用声道技术，夹出从背景中的主题。

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Just draw roughly around the edge of the chosen picture with the digitizer stylus and Active Clip automatically detects edges and cuts out the background, allowing users to drop the cleanly-bordered image straight into documents or presentations.

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