消除视频中的人声：
1、首先，我们在手机上找到录屏功能。
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2、我们在点击屏幕录制后，手机界面上方就可以看到有一个导航，我们点击设置按钮。
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3、进入设置界面后，我们就可以看到有一个声音选项。
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https://iknow-pic.cdn.bcebos.com/b2de9c82d158ccbfefc09ae115d8bc3eb03541e8"/>
4、这时，我们只需要选择前两种模式即可。这样在录制后就不会有人声啦！
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