---
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/2400/armnative/kunpengcpsvideo_16_0045.html
sourcePath: /source/zh/kunpengboostkithistory/2400/armnative/kunpengcpsvideo_16_0045.html
indexId: f819f9f12d9f7b79b308c5971671b94959181688163c5adb896137ac31a50d3c77
---
# 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));
```