---
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/251RC1/armnative/kunpengcpsvideo_16_0045.html
sourcePath: /source/zh/kunpengboostkithistory/251RC1/armnative/kunpengcpsvideo_16_0045.html
indexId: a511a8a2777a899c2fd5c750917a73a5d10eb954ca198f2e12ec8eb53521f29b79
---
# 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));
```