# audio\_volume.h<a name="ZH-CN_TOPIC_0000001054879494"></a>

## **Overview**<a name="section1539088652093524"></a>

**Related Modules:**

[Audio](Audio.md)

**Description:**

Declares APIs for audio volume. 

**Since:**

1.0

**Version:**

1.0

## **Summary**<a name="section1205481936093524"></a>

## Data Structures<a name="nested-classes"></a>

<a name="table586839846093524"></a>
<table><thead align="left"><tr id="row351112461093524"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p440501224093524"><a name="p440501224093524"></a><a name="p440501224093524"></a>Data Structure Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p108597550093524"><a name="p108597550093524"></a><a name="p108597550093524"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row64693882093524"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1370367460093524"><a name="p1370367460093524"></a><a name="p1370367460093524"></a><a href="AudioVolume.md">AudioVolume</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1822949337093524"><a name="p1822949337093524"></a><a name="p1822949337093524"></a>Provides volume-related APIs for audio rendering or capturing, including functions to set the mute operation, volume, and gain. </p>
</td>
</tr>
</tbody>
</table>