# 音频

教师可使用"音频"设置将其麦克风静音/取消静音。

默认情况下，教师音频已静音。

### 将教师的麦克风静音/取消静音

<figure><img src="/files/eijfUPB3qHbc4wFHci2e" alt=""><figcaption><p>教师音频已静音</p></figcaption></figure>

1. &#x20;要取消音频静音，单击"播放"按钮。顶部菜单栏中将显示一个绿色横幅，指示教师正在对全班讲话。
2. &#x20;要将音频静音，单击"停止"按钮。

<figure><img src="/files/RF96dPmHpmw08CVkN6XS" alt=""><figcaption><p>教师音频已取消静音 – 正在对全班讲话</p></figcaption></figure>

### 启用学生音频

在对全班或某位学生讲话时，教师可以启用/禁用学生的麦克风。默认情况下已禁用学生的麦克风。

<figure><img src="/files/L2VAW6mwUldJJJ7dxXrz" alt=""><figcaption><p>学生的麦克风已禁用</p></figcaption></figure>

1. 单击学生卡片上的橙色麦克风图标可以启用学生的麦克风。
2. 麦克风图标将变为绿色，学生的麦克风将被启用。

<figure><img src="/files/VJhnaIgwfGY9HyDMvOiC" alt=""><figcaption><p>学生的麦克风已启用。</p></figcaption></figure>


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