# OH_AudioCaptureInfo
## Overview
The **OH_AudioCaptureInfo** struct defines audio capture information.
**System capability**: SystemCapability.Multimedia.Media.AVScreenCapture
**Since**
10
**Related Modules**
[AVScreenCapture](_a_v_screen_capture.md)
## Summary
### Member Variables
| Name| Description|
| -------- | -------- |
| [audioSampleRate](#audiosamplerate) | int32_t
Defines the audio sampling rate. For details about the supported rates, see **OH_AudioCapturer_GetSamplingRate**.|
| [audioChannels](#audiochannels) | int32_t
Defines the number of audio channels.|
| [audioSource](#audiosource) | [OH_AudioCaptureSourceType](_a_v_screen_capture.md#oh_audiocapturesourcetype)
Defines the audio source.|
## Member Variable Description
### audioChannels
```
int32_t OH_AudioCaptureInfo::audioChannels
```
**Description**
Defines the number of audio channels.
### audioSampleRate
```
int32_t OH_AudioCaptureInfo::audioSampleRate
```
**Description**
Defines the audio sampling rate. For details about the supported rates, see **OH_AudioCapturer_GetSamplingRate**.
### audioSource
```
OH_AudioCaptureSourceType OH_AudioCaptureInfo::audioSource
```
**Description**
Defines the audio source.