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1、首先打开音频管理器：点上图红框里的“设备高级设置”出现下图：如果电脑前面面板的插孔没用，打开音频管理器istheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningislocatedinthe"Tangfangudao"andtheancient"SilkRoad"road,istheLoessPlateauandtheTibetanPlateau,agriculturalandpastoralareasand,inconjunctionwiththeMinist
2、ryofcultureandIslamicculture点击红框处文件夹出现下图：把红框里的两项前面的小勾都打上点“确定“退出音频管理器选择红框里的这项点“确定”退出关掉音频管理器。鼠标移到屏幕右下角处（如下图）istheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningislocatedinthe"Tangfangudao"andtheancient"SilkRoad"road,istheLoessPlateauandtheTibetanPlateau,agr
3、iculturalandpastoralareasand,inconjunctionwiththeMinistryofcultureandIslamicculture鼠标指到白色喇叭处按右键选择“录音设备“进入下图：选择红框里的录音设备双击进入下图：istheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningislocatedinthe"Tangfangudao"andtheancient"SilkRoad"road,istheLoessPlateauandth
4、eTibetanPlateau,agriculturalandpastoralareasand,inconjunctionwiththeMinistryofcultureandIslamicculture点红框里的“级别“如下图：istheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningislocatedinthe"Tangfangudao"andtheancient"SilkRoad"road,istheLoessPlateauandtheTibetanPl
5、ateau,agriculturalandpastoralareasand,inconjunctionwiththeMinistryofcultureandIslamicculture把两个红框里的滑动条分别拉到最右边，也就是把麦的声音调到100，麦克风增强拉到+30Db.点“确定“退出。如果电脑的声音有杂音，再右击电脑右下角的白喇叭选择“播放设备“出现如图：istheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningislocatedinthe"Tangfan
6、gudao"andtheancient"SilkRoad"road,istheLoessPlateauandtheTibetanPlateau,agriculturalandpastoralareasand,inconjunctionwiththeMinistryofcultureandIslamicculture双击红框里的“扬声器“出现下图：istheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningislocatedinthe"Tangfangudao"a
7、ndtheancient"SilkRoad"road,istheLoessPlateauandtheTibetanPlateau,agriculturalandpastoralareasand,inconjunctionwiththeMinistryofcultureandIslamicculture点击“级别“出现下图：istheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningislocatedinthe"Tangfangudao"andtheancient
8、"SilkRoad"road,istheLoessPlateauandtheTibetanPlateau,agriculturalandpastora
