docs/zh_CN/api_reference/micropython/api_speaker.md

# Speaker

中文 | [English](/en/api_reference/micropython/api_speaker) | [日本語](/ja/api_reference/micropython/api_speaker)

### <mark>tone</mark>
> M5.Speaker.tone(uint32_t freq);

设置声音音高

| Param | Type | Description |
| --- | --- | --- |
| freq | <code>uint32_t</code> | 频率 |

**例程**
```c++
M5.Speaker.tone(100);
```
add "api reference" 2018-11-30 17:31:47 +08:00			`# Speaker`

add ja lcd api reference 2018-12-04 15:00:14 +08:00			`中文 \| [English](/en/api_reference/micropython/api_speaker) \| [日本語](/ja/api_reference/micropython/api_speaker)`

add "api reference" 2018-11-30 17:31:47 +08:00			`### <mark>tone</mark>`
			`> M5.Speaker.tone(uint32_t freq);`

			`设置声音音高`

			`\| Param \| Type \| Description \|`
			`\| --- \| --- \| --- \|`
			`\| freq \| <code>uint32_t</code> \| 频率 \|`

			`例程`
			```c++
			`M5.Speaker.tone(100);`
			```