---
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/240RC2/armnative/kunpengcpsvideo_16_0045.html
sourcePath: /source/zh/kunpengboostkithistory/240RC2/armnative/kunpengcpsvideo_16_0045.html
indexId: 9e92444b736f2ebe53f8bd169899950bef0cc94bb8c2b79061a4dab4f9ee240479
---
# 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));
```