Android 实时语音识别
时间: 2023-11-22 16:49:38 浏览: 37
Android实时语音识别可以通过百度提供的语音识别SDK来实现。以下是实现步骤:
1.在build.gradle文件中添加依赖项:
```gradle
dependencies {
implementation 'com.baidu.speech:sdk-asr:6.5.0.10'
}
```
2.在AndroidManifest.xml文件中添加权限:
```xml
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.INTERNET" />
```
3.在代码中创建语音识别对象:
```java
private SpeechRecognizer mSpeechRecognizer = SpeechRecognizer.createSpeechRecognizer(this, new ComponentName(this, VoiceRecognitionService.class));
```
4.设置语音识别参数:
```java
mSpeechRecognizer.setRecognitionListener(new RecognitionListener() {
@Override
public void onReadyForSpeech(Bundle params) {
Log.d(TAG, "onReadyForSpeech");
}
@Override
public void onBeginningOfSpeech() {
Log.d(TAG, "onBeginningOfSpeech");
}
@Override
public void onRmsChanged(float rmsdB) {
Log.d(TAG, "onRmsChanged");
}
@Override
public void onBufferReceived(byte[] buffer) {
Log.d(TAG, "onBufferReceived");
}
@Override
public void onEndOfSpeech() {
Log.d(TAG, "onEndOfSpeech");
}
@Override
public void onError(int error) {
Log.d(TAG, "onError: " + error);
}
@Override
public void onResults(Bundle results) {
ArrayList<String> list = results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
if (list != null && list.size() > 0) {
String text = list.get(0);
Log.d(TAG, "onResults: " + text);
}
}
@Override
public void onPartialResults(Bundle partialResults) {
ArrayList<String> list = partialResults.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
if (list != null && list.size() > 0) {
String text = list.get(0);
Log.d(TAG, "onPartialResults: " + text);
}
}
@Override
public void onEvent(int eventType, Bundle params) {
Log.d(TAG, "onEvent: " + eventType);
}
});
mSpeechRecognizer.setParameter(SpeechConstant.LANGUAGE, "zh");
mSpeechRecognizer.setParameter(SpeechConstant.ACCENT, "mandarin");
mSpeechRecognizer.setParameter(SpeechConstant.VAD, SpeechConstant.VAD_DNN);
mSpeechRecognizer.setParameter(SpeechConstant.PID, "1536");
mSpeechRecognizer.setParameter(SpeechConstant.AUDIO_FORMAT, "wav");
mSpeechRecognizer.setParameter(SpeechConstant.ASR_AUDIO_PATH, Environment.getExternalStorageDirectory() + "/test.wav");
```
5.开始语音识别:
```java
mSpeechRecognizer.startListening(new Intent());
```
以上是Android实时语音识别的基本实现步骤,具体实现可以根据自己的需求进行调整。