把变声器的悬浮窗给打开，让变声器悬浮在QQ的页面。再打开变声器，点击页面的启动这一项。
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页面上就会出现一个变声器的语音图标悬浮窗，再打开手机QQ。
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再进入群的聊天页面，点击语音图标，选择录音这一项，按住两秒。
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再点击变声器的悬浮窗，选择你要变音的语音，点击发送这一项。
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最后语音显示为变音的声音即可。
扩展资料：
视频电话变声步骤
1、拨出电话
/iknow-pic.cdn.bcebos.com/a5c27d1ed21b0ef4a915b84ed0c451da81cb3e24"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/a5c27d1ed21b0ef4a915b84ed0c451da81cb3e24?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/a5c27d1ed21b0ef4a915b84ed0c451da81cb3e24"/>
2、点击【特效互动】
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3、点击右下角小话筒的图标
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4、可以根据自己的喜好选择变音，如果您不想听到变声效果，可以将【变声效果视听】的勾取消。
/iknow-pic.cdn.bcebos.com/d058ccbf6c81800a91faaa1ebc3533fa828b4786"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/d058ccbf6c81800a91faaa1ebc3533fa828b4786?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/d058ccbf6c81800a91faaa1ebc3533fa828b4786"/>
QQ电话变声步骤
1、拨打QQ电话
2、接通后，可以直接在界面看到【变声】的小话筒图标，点击即可
/iknow-pic.cdn.bcebos.com/503d269759ee3d6d470fa7db4e166d224e4aded0"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/503d269759ee3d6d470fa7db4e166d224e4aded0?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/503d269759ee3d6d470fa7db4e166d224e4aded0"/>
3、可以根据自己的喜好选择变音，选择好点击【完成】即可
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QQ语音消息如何变声呢
1、点击对话框，选择发送语音。可以看到下面一栏【变声】、【对讲】、【录音】三个选项，向左滑动，选择【变声】
2、按住说话
3、选择自己想要的效果，点击发送即可
/iknow-pic.cdn.bcebos.com/b3fb43166d224f4a27c8630904f790529822d152"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/b3fb43166d224f4a27c8630904f790529822d152?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/b3fb43166d224f4a27c8630904f790529822d152"/>
参考资料：/baike.baidu.com/item/qq%E8%AF%AD%E9%9F%B3%E5%8F%98%E5%A3%B0%E5%99%A8/18586439?fr=aladdin"target="_blank"title="qq语音变声器-百度百科">qq语音变声器-百度百科