ifly_speech_recognition

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ifly_speech_recognition

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A ifly speech recognition package。

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# ifly_speech_recognition

根据科大讯飞 **[语音听写（流式版）WebAPI](https://www.xfyun.cn/doc/asr/voicedictation/API.html)** 文档，实现 60s 的语音识别功能。

### 安装

```dart
dependencies:
  ifly_speech_recognition: ^1.0.6
```

### 环境要求

- `Dart` `>=3.4.0`
- `iOS` `13.0+`
- `Android` 构建需 `JDK 17+`

### 导入

```dart
import 'package:ifly_speech_recognition/ifly_speech_recognition.dart';
```

### 配置

- 开启语音识别前，请确保麦克风等相关权限已开启，具体可参考 [permission_handler](https://pub.dev/packages/permission_handler)
- `iOS` 依赖 [flutter_sound](https://github.com/canardoux/flutter_sound)，新版 Flutter 项目一般无需手动配置 `Other Linker Flags`；若遇链接错误可参考 [flutter_sound 官方文档](https://flutter-sound.canardoux.xyz/flutter_sound_install.html)

### 使用

**使用前说明：**
1、`app_id` `app_key` `app_secrret` 需要到 [科大讯飞开放平台](https://www.xfyun.cn/services/voicedictation) 进行应用申请

- 初始化一个服务

```dart
SpeechRecognitionService _recognitionService = SpeechRecognitionService(
  appId: 'iflyAppId',
  appKey: 'iflyApiKey',
  appSecret: 'iflyApiSecret',
);

// 初始化语音识别服务
_recognitionService.initRecorder();
```

- 语音识别监听回调

```dart
// 语音识别回调
// 注意：必须在 [speechRecognition] 方法调用之前监听
_recognitionService.onRecordResult().listen((message) {
  // 语音识别成功，结果为 message

}, onError: (err) {
  // 语音识别失败，原因为 err

});

// 注意：必须在 [speechRecognition] 方法调用之前监听
_recognitionService.onStopRecording().listen((isAutomatic) {
  if (isAutomatic) {
    // 录音时间到达最大值60s，自动停止

} else {
    // 主动调用 stopRecord，停止录音

}
});
```

- 开启录音

```dart
_recognitionService.startRecord();
```

- 停止录音

```dart
_recognitionService.stopRecord();
```

- 开始识别（主动调用）

```dart
_recognitionService.speechRecognition();
```

ifly_speech_recognition

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