You can record videos (at a high 720 by 480 resolution, although they don’t look any sharper) and upload them to YouTube, but you can’t trim the dead air off the ends first.

你可以录视频（分辨率为较高的720 x 480，尽管看起来不是更清晰）并上传到 YouTube，但你不能先剪辑掉头尾的停滞区域。

youdao

The president told the audience at the Naval Air Station in Jacksonville that the United States has an obligation to its latest war dead.

VOA: standard.2009.10.26

His scenes with Blonsky and Christopher Walken as Edna's dim, doting husband are full of dead air.

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They saw the pool but kept behind Gerry as he got the front door open and walked into hot dead air.

NEWYORKER: Bullfighting

Over the past ten years the likelihood of my questions resulting in only dead air over the phone line has gone down considerably.

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