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XCEngine/docs/api/components/audio-source-component/set-pitch.md
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# SetPitch
**所属类**: `AudioSourceComponent`
**头文件**: `XCEngine/Components/AudioSourceComponent.h`
**描述**: 设置音频源的音高。
## 函数签名
```cpp
void SetPitch(float pitch);
```
## 参数
| 参数 | 类型 | 描述 |
|------|------|------|
| `pitch` | `float` | 音高0.5 表示半速1.0 表示正常速度2.0 表示双倍速度 |
## 使用示例
```cpp
#include <XCEngine/Components/AudioSourceComponent.h>
using namespace XCEngine::Components;
void SetupPitch(AudioSourceComponent* source) {
// 正常音高
source->SetPitch(1.0f);
// 低八度
source->SetPitch(0.5f);
// 高八度
source->SetPitch(2.0f);
}
```
## 相关文档
- [AudioSourceComponent](audio-source-component.md) - 音频源组件
- [GetPitch](get-pitch.md) - 获取音高