> For the complete documentation index, see [llms.txt](https://docs.convai.com/api-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.convai.com/api-docs/zh/cha-jian-yu-ji-cheng/unreal-engine/blueprints-reference/speech-to-text.md).

# 语音转文字

### 从声波转文字

* **描述：** 将提供的音频转写为文本。

<figure><img src="/files/92e33d3505bea294e5552e47c9e693d2c6e10fdc" alt=""><figcaption></figcaption></figure>

**输入：**

* **声波：** 麦克风录制的输出，请查看教程/示例项目，了解如何将 Convai 语音采集组件与 API 一起使用。

**输出：**

#### ✅ \[成功时]

**响应：** 如果 API 成功，则包含音频文件的文本输出；否则可能包含 API 调用失败原因的信息。

#### ⛔ \[失败时]

*不返回任何内容，请查看日志以了解失败原因。*

### 从声波转文字

* **描述：** 将提供的音频文件转写为文本。

<figure><img src="/files/adfe397207f11121717ae1dd4a23faa394c324a2" alt=""><figcaption></figcaption></figure>

**输入：**

* **文件名：** 本地磁盘上录制音频文件的路径，该文件应为 .wav 格式。

**输出：**

#### ✅ \[成功时]

**响应：** 如果 API 成功，则包含音频文件的文本输出；否则可能包含 API 调用失败原因的信息。

#### ⛔ \[失败时]

*不返回任何内容，请查看日志以了解失败原因。*


---

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