# audio\_volume.h<a name="EN-US_TOPIC_0000001054879494"></a>

-   [Overview](#section1171184498165626)
-   [Summary](#section1465931130165626)
-   [Data Structures](#nested-classes)

## **Overview**<a name="section1171184498165626"></a>

**Related Modules:**

[Audio](audio.md)

**Description:**

Declares APIs for audio volume. 

**Since:**

1.0

**Version:**

1.0

## **Summary**<a name="section1465931130165626"></a>

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

<a name="table1650261292165626"></a>
<table><thead align="left"><tr id="row1999973670165626"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p451378647165626"><a name="p451378647165626"></a><a name="p451378647165626"></a>Data Structure Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p153274890165626"><a name="p153274890165626"></a><a name="p153274890165626"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row1681164875165626"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p51557869165626"><a name="p51557869165626"></a><a name="p51557869165626"></a><a href="audiovolume.md">AudioVolume</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1581910173165626"><a name="p1581910173165626"></a><a name="p1581910173165626"></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>