---
title: hi_audio_bit_width
description: "定义音频采样位宽。"
url: https://www.hiascend.com/document/detail/zh/Atlas200IDKA2DeveloperKit/latest/Application%20Development%20Guide/aadgc/aclcppdevg_03_1138.html
sourcePath: /source/zh/Atlas200IDKA2DeveloperKit/23.0.RC2/Application Development Guide/aadgc/aclcppdevg_03_1138.html
indexId: 96f1a50c13b160d9f02945c8bbf5868acaf8af0b1b957f01e6357fc8ed1644e4105
---
# hi_audio_bit_width

#### 说明

定义音频采样位宽。


#### 定义

```
typedef enum {
HI_AUDIO_BIT_WIDTH_8   = 0,   /* 8bit width */
HI_AUDIO_BIT_WIDTH_16  = 1,   /* 16bit width */
HI_AUDIO_BIT_WIDTH_24  = 2,   /* 24bit width */
HI_AUDIO_BIT_WIDTH_BUTT
} hi_audio_bit_width;
```


#### 成员

| 成员名称 | 描述 |
| --- | --- |
| HI\_AUDIO\_BIT\_WIDTH\_8 | 采样位宽为8bit。当前版本不支持。 |
| HI\_AUDIO\_BIT\_WIDTH\_16 | 采样位宽为16bit。 |
| HI\_AUDIO\_BIT\_WIDTH\_24 | 采样位宽为24bit。 |