請在系統設置中爲輸入比率_如何在OS X中爲單個音頻設備和聲音效果調整音量設置...

請在系統設置中爲輸入比率 If you’ve ever been showing a presentation or a video, you know how embarrassing it can be when system sounds such as alerts, errors, and notifications interrupt your audio, especially wh

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