# 【OBS】实现捕获桌面音频且不影响扬声器输出的使用教程（MAC电脑）

<div data-elink-language-switch="1" id="bkmrk-english" style="border:1px solid #d6d9de;border-radius:6px;padding:10px 12px;margin:0 0 18px 0;background:#f8fafc;font-size:14px;">[English](/books/live-broadcast/page/obstutorial-on-capturing-desktop-audio-without-affecting-speaker-output-for-mac-computers)</div><span style="font-size:17px;">**第一步：下载软件（已有软件可跳过）**</span>

<span style="font-size:15px;">下载并安装OBS、blackhole软件（obs建议安装最新版，27.0.1版本实测正常）</span>

<span style="font-size:15px;">\*相关下载地址：</span>

<span style="font-size:15px;">1、OBS下载</span>

<span style="font-size:15px;">官网：[https://obsproject.com/](https://obsproject.com/%EF%BC%9B)</span>

<span style="font-size:15px;">快速下载地址：[https://xiaoetong-1252524126.file.myqcloud.com/plugins/obs-mac-27.0.1.dmg](https://xiaoetong-1252524126.file.myqcloud.com/plugins/obs-mac-27.0.1.dmg%E3%80%82)</span>

<span style="font-size:15px;">2、blackhole下载</span>

<span style="font-size:15px;"><span style="font-size:15px;">官网：[https://existential.audio/blackhole/](https://existential.audio/blackhole/%EF%BC%9B)</span></span>

<span style="font-size:15px;"><span style="font-size:15px;"> </span>快速下载地址：[https://xiaoetong-1252524126.cdn.xiaoeknow.com/XEDownloader/BlackHole2ch.v0.4.0.pkg](https://xiaoetong-1252524126.cdn.xiaoeknow.com/XEDownloader/BlackHole2ch.v0.4.0.pkg)</span>

<span style="font-size:17px;">**第二步：配置MIDI**</span>

<span style="font-size:15px;">1、打开Mac系统音频midi设置</span>

<span style="font-size:15px;">![01.png](https://wechatapppro-1252524126.file.myqcloud.com/help_document/image/ueditor/47834700_1625574210.png ".png")</span>

<span style="font-size:15px;">2、新建一个多输出设备</span>

<span style="font-size:15px;">![02.png](https://wechatapppro-1252524126.file.myqcloud.com/help_document/image/ueditor/95112700_1625574215.png ".png")</span>

<span style="font-size:15px;">3、然后选择将多输出设备中的 macbook pro扬声器和blackhole 16ch 同时打上勾</span>

<span style="font-size:15px;">![03.png](https://wechatapppro-1252524126.file.myqcloud.com/help_document/image/ueditor/66969300_1625574220.png ".png")</span>

<span style="font-size:17px;">**第三步：设置系统音频输出**</span>

<span style="font-size:15px;">打开系统系统偏好设置-&gt; 声音 -&gt; 输出，选中多输出设备</span>

![04.png](https://wechatapppro-1252524126.file.myqcloud.com/help_document/image/ueditor/66954000_1625574228.png ".png")

<span style="font-size:17px;">**第四步：配置OBS**</span>

<span style="font-size:15px;">1、打开OBS -&gt; 设置 -&gt;音频，</span><span style="font-size:15px;">修改其中的 桌面音频 配置，选项选择：BlackHole 16ch，然后点击确定</span>

![05.png](https://wechatapppro-1252524126.file.myqcloud.com/help_document/image/ueditor/71829000_1625574622.png ".png")

<span style="font-size:15px;">2、接下来在桌面上打开任意音乐播放器，查看桌面音频是否有音量波动，正常有波动即为配置成功。</span>

![06.png](https://wechatapppro-1252524126.file.myqcloud.com/help_document/image/ueditor/6404900_1625574630.png ".png")

<span style="font-size:17px;">**第五步：捕获应用**</span>

<span style="font-size:15px;">1、如果需要使用obs捕获个别应用进行直播，例如腾讯会议，则需要在OBS中新增一个窗口捕获，然后选择腾讯会议软件窗口。</span>

<span style="font-size:15px;">先点击+号，选择窗口采集</span>

<span style="font-size:15px;">![07.png](https://wechatapppro-1252524126.file.myqcloud.com/help_document/image/ueditor/13363100_1625574640.png ".png")</span>

<span style="font-size:15px;">2、然后选择确定</span>

![08.png](https://wechatapppro-1252524126.file.myqcloud.com/help_document/image/ueditor/50733900_1625574644.png ".png")

<span style="font-size:15px;">3、然后在打开的窗口中选择腾讯会议，接下来点击确定即可。</span>

![09.png](https://wechatapppro-1252524126.file.myqcloud.com/help_document/image/ueditor/85926100_1625574654.png ".png")

![10.png](https://wechatapppro-1252524126.file.myqcloud.com/help_document/image/ueditor/13468700_1625574660.png ".png")