audio_volume-h.md - Openharmony v1.0 / docs / api / api-SmartVision-Devices - 最全华为鸿蒙分布式操作系统技术资料库，手册，指南

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audio_volume-h.md

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Openharmony v1.0 / docs / api / api-SmartVision-Devices

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# audio\_volume.h
## **Overview**
**Related Modules:**
[Audio](Audio.md)
**Description:**
Declares APIs for audio volume.
**Since:**
1.0
**Version:**
1.0
## **Summary**
## Data Structures

Data Structure Name	Description
AudioVolume	Provides volume-related APIs for audio rendering or capturing, including functions to set the mute operation, volume, and gain.