---
title: 使用约定
description: "麦克风输入配置VmiConfigMic继承自VmiConfig结构体。具体结构如下："
url: https://www.hikunpeng.com/document/detail/zh/kunpengboostkithistory/250RC1/armnative/kunpengcpsvideo_16_0045.html
sourcePath: /source/zh/kunpengboostkithistory/250RC1/armnative/kunpengcpsvideo_16_0045.html
indexId: c29c280e7816b247e39719efffd53fbe32714926ea2bf2854812217e421473a779
---
# 使用约定

麦克风输入配置VmiConfigMic继承自VmiConfig结构体。具体结构如下：

```
struct VmiConfigMic : public VmiConfig {
    AudioType audioType = OPUS;
} __attribute__((packed));
```