1# OH_AudioInfo
2
3
4## Overview
5
6The OH_AudioInfo struct describes the audio information.
7
8To perform both external capture (using microphones) and internal capture, **audioSampleRate** and **audioChannels** must be the same for both audio channels.
9
10**System capability**: SystemCapability.Multimedia.Media.AVScreenCapture
11
12**Since**: 10
13
14**Related module**: [AVScreenCapture](_a_v_screen_capture.md)
15
16
17## Summary
18
19
20### Member Variables
21
22| Name| Description|
23| -------- | -------- |
24| [OH_AudioCaptureInfo](_o_h___audio_capture_info.md) [micCapInfo](#miccapinfo) | External audio capture information.|
25| [OH_AudioCaptureInfo](_o_h___audio_capture_info.md) [innerCapInfo](#innercapinfo) | Internal audio capture information.|
26| [OH_AudioEncInfo](_o_h___audio_enc_info.md) [audioEncInfo](#audioencinfo) | Audio encoding information, which is not required for raw streams.|
27
28
29## Member Variable Description
30
31
32### audioEncInfo
33
34```
35OH_AudioEncInfo OH_AudioInfo::audioEncInfo
36```
37
38**Description**
39
40Audio encoding information, which is not required for raw streams.
41
42
43
44### innerCapInfo
45
46```
47OH_AudioCaptureInfo OH_AudioInfo::innerCapInfo
48```
49
50**Description**
51
52Internal audio capture information.
53
54
55### micCapInfo
56
57```
58OH_AudioCaptureInfo OH_AudioInfo::micCapInfo
59```
60
61**Description**
62
63External audio capture information.
64