语音识别

来源：互联网发布：命令行升级node 编辑：程序博客网时间：2024/04/28 16:31

我使用 Speech Recognizer Intent 来获取 User Input ，然后再翻译成文本。但是我想让intent 连续的获取
user input 然后翻译成文本，来看用户是否说了某个词。现在的代码能实现，但是每次程序开始侦听输入时，电话就会发出短期的警笛声，准备输入。
有什么方法来删除已经播放过的又一次播放的声音？
代码：

import java.util.ArrayList;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.speech.RecognitionListener;import android.speech.RecognizerIntent;import android.speech.SpeechRecognizer;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Toast;import android.widget.ToggleButton;public class MainActivity extends Activity implements OnClickListener {       //private TextView mText;       private SpeechRecognizer sr;       private static final String TAG = "MyStt3Activity";       @Override       public void onCreate(Bundle savedInstanceState)        {                super.onCreate(savedInstanceState);                setContentView(R.layout.main);                ToggleButton speakButton = (ToggleButton) findViewById(R.id.CarMode);                     //mText = (TextView) findViewById(R.id.textView1);                     speakButton.setOnClickListener(this);                sr = SpeechRecognizer.createSpeechRecognizer(this);                       sr.setRecognitionListener(new listener());               }       class listener implements RecognitionListener                 {                public void onReadyForSpeech(Bundle params)                {                         Log.d(TAG, "onReadyForSpeech");                }                public void onBeginningOfSpeech()                {                         Log.d(TAG, "onBeginningOfSpeech");                }                public void onRmsChanged(float rmsdB)                {                         Log.d(TAG, "onRmsChanged");                }                public void onBufferReceived(byte[] buffer)                {                         Log.d(TAG, "onBufferReceived");                }                public void onEndOfSpeech()                {                         Log.d(TAG, "onEndofSpeech");                }                public void onError(int error)                {                         Log.d(TAG,  "error " +  error);                         Toast.makeText(getApplicationContext(), "What was that?", Toast.LENGTH_SHORT).show();                         sr.cancel();                         speechIntent();                }                public void onResults(Bundle results)                                   {                         //String str = new String();                         Log.d(TAG, "onResults " + results);                         ArrayList<String> data = results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);                         Toast.makeText(getApplicationContext(), data.get(0), Toast.LENGTH_SHORT).show();                         sr.cancel();                         speechIntent();                         //mText.setText("results: "+String.valueOf(data.size()));                        }                public void onPartialResults(Bundle partialResults)                {                         Log.d(TAG, "onPartialResults");                }                public void onEvent(int eventType, Bundle params)                {                         Log.d(TAG, "onEvent " + eventType);                }       }       public void onClick(View v) {                if (v.getId() == R.id.CarMode)                 {                    speechIntent();                }       }       public void speechIntent()       {           Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);                            intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);                    intent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE,"com.example.freestyleandroid");                    intent.putExtra(RecognizerIntent.EXTRA_MAX_RESULTS,5);                          sr.startListening(intent);                         Log.i("111111","11111111");       }    }

android 语音识别时如何获取识别的状态?Java code?
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public class MyStt3Activity extends Activity implements OnClickListener {
     
    private TextView mText;
    private SpeechRecognizer sr;
    private static final String TAG = "MyStt3Activity";
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
 
        setContentView(R.layout.main);
 
        Button speakButton = (Button) findViewById(R.id.btn_speak);
        mText = (TextView) findViewById(R.id.text);
 
        speakButton.setOnClickListener(this);
 
        sr = SpeechRecognizer.createSpeechRecognizer(this);
        sr.setRecognitionListener(new listener());
    }
 
    class listener implements RecognitionListener
    {
        public void onReadyForSpeech(Bundle params) 
        {
            Log.d(TAG, "onReadyForSpeech");
        }
        public void onBeginningOfSpeech()
        {
            Log.d(TAG, "onBeginningOfSpeech");
        }
        public void onRmsChanged(float rmsdB)
        {
            Log.d(TAG, "onRmsChanged");
        }
        public void onBufferReceived(byte[] buffer)
        {
            Log.d(TAG, "onBufferReceived");
        }
        public void onEndOfSpeech() 
        {
            Log.d(TAG, "onEndofSpeech");
        }
        public void onError(int error) 
        {
            Log.d(TAG,  "error " +  error);
            mText.setText("error " + error);
        }
        public void onResults(Bundle results) 
        {
            String str = new String();
            Log.d(TAG, "onResults " + results);
            ArrayList<String> data = results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
            for (int i = 0; i < data.size(); i++)
            {
                Log.d(TAG, "result " + data.get(i));
                str += data.get(i);
            }
            mText.setText(str);
        }
        public void onPartialResults(Bundle partialResults) 
        {
            Log.d(TAG, "onPartialResults");
        }
        public void onEvent(int eventType, Bundle params) 
        {
            Log.d(TAG, "onEvent " + eventType);
        }
    }
 
    public void onClick(View v) {
        if (v.getId() == R.id.btn_speak) {
            sr.startListening(new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH));
        }
    }
}

调用讯飞API，写一个语音小程序，准备说话时总会出现错误10111，上官网查了一下，说是没有初始化有这么一个错误

 public class VoiceToWord extends Activity implements OnInitListener {
    private static String TAG = "Demo";
    private Button button_v=null;
    private EditText et = null;
    TextToSpeech speak = null;// 定义tts
    //听写语音对象
    private SpeechRecognizer mIat;
    private RecognizerDialog iatDialog;
    private Toast mToast;
    private SharedPreferences mSharedPreferences;
    int ret = 0;// 函数调用返回值
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_voice);
        et = (EditText)findViewById(R.id.et);
        button_v = (Button)findViewById(R.id.speakint);
        //初始化识别对象
        mIat = SpeechRecognizer.createRecognizer(this, mInitListener);
        // 初始化听写Dialog,如果只使用有UI听写功能,无需创建SpeechRecognizer
        iatDialog = new RecognizerDialog(this, mInitListener);
        mSharedPreferences = getSharedPreferences("com.example.designbs",
                Activity.MODE_PRIVATE);
        mToast = Toast.makeText(this, "", Toast.LENGTH_SHORT);
        speak = new TextToSpeech(this, this);
        button_v.setOnClickListener(new voiceListener());
    }
    class voiceListener implements OnClickListener{
 
        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub
            et.setText(null);// 清空显示内容
            // 设置参数
            setParam();
            boolean isShowDialog = mSharedPreferences.getBoolean(
                    "iat_show", true);
            if (isShowDialog) {
                // 显示听写对话框
                iatDialog.setListener(recognizerDialogListener);
                iatDialog.show();
                showTip("开始听写");
            } else {
                // 不显示听写对话框
                ret = mIat.startListening(recognizerListener);
                if (ret != ErrorCode.SUCCESS) {
                    showTip("听写失败,错误码：" + ret);
                } else {
                    showTip("开始听写");
                }
            }
        }
         
    }
    /**
     * 听写监听器。
     */
    private RecognizerListener recognizerListener = new RecognizerListener() {
 
        @Override
        public void onBeginOfSpeech() {
            showTip("开始说话");
        }
 
        @Override
        public void onError(SpeechError error) {
            showTip(error.getPlainDescription(true));
        }
 
        @Override
        public void onEndOfSpeech() {
            showTip("结束说话");
        }
 
        @Override
        public void onEvent(int eventType, int arg1, int arg2, String msg) {
 
        }
 
        @Override
        public void onResult(RecognizerResult results, boolean isLast) {
            String text = JsonParser.parseIatResult(results.getResultString());
            et.append(text);//添加听写的话
            et.setSelection(et.length());
            if (isLast) {
                // TODO 最后的结果
            }
        }
 
        @Override
        public void onVolumeChanged(int volume) {
            showTip("当前正在说话，音量大小：" + volume);
        }
 
    };
    /**
     * 初始化监听器。
     */
    private InitListener mInitListener = new InitListener() {
 
        @Override
        public void onInit(int code) {
            Log.d(TAG, "SpeechRecognizer init() code = " + code);
            if (code == ErrorCode.SUCCESS) {
                findViewById(R.id.speakint).setEnabled(true);
            }
        }
    };
    /**
     * 听写UI监听器
     */
    private RecognizerDialogListener recognizerDialogListener = new RecognizerDialogListener() {
        public void onResult(RecognizerResult results, boolean isLast) {
            String text = JsonParser.parseIatResult(results.getResultString());
            et.append(text);
            boolean flags1=text.contains("电话");//是否含有电话
            if(flags1){
                 
                Intent intent=new Intent();
                intent.setAction(Intent.ACTION_VIEW);
                intent.setData(Contacts.People.CONTENT_URI);
                startActivity(intent);
                 
            }
            boolean flags2=text.contains("短信");//是否含有短信
            if(flags2){
                Intent intent=new Intent(Intent.ACTION_VIEW);
                intent.setType("vnd.android-dir/mms-sms");
                startActivity(intent);
            }
             
             
            et.setSelection(et.length());
        }
 
        /**
         * 识别回调错误.
         */
        public void onError(SpeechError error) {
            showTip(error.getPlainDescription(true));
        }
 
    };
    private void showTip(final String str) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                mToast.setText(str);
                mToast.show();
            }
        });
    }
    /**
     * 参数设置
     * 
     * @param param
     * @return
     */
    @SuppressLint("SdCardPath")
    public void setParam() {
        String lag = mSharedPreferences.getString("iat_language_preference",
                "mandarin");
        if (lag.equals("en_us")) {
            // 设置语言
            mIat.setParameter(SpeechConstant.LANGUAGE, "en_us");
        } else {
            // 设置语言
            mIat.setParameter(SpeechConstant.LANGUAGE, "zh_cn");
            // 设置语言区域
            mIat.setParameter(SpeechConstant.ACCENT, lag);
        }
        // 设置语音前端点
        mIat.setParameter(SpeechConstant.VAD_BOS,
                mSharedPreferences.getString("iat_vadbos_preference", "4000"));
        // 设置语音后端点
        mIat.setParameter(SpeechConstant.VAD_EOS,
                mSharedPreferences.getString("iat_vadeos_preference", "1000"));
        // 设置标点符号
        mIat.setParameter(SpeechConstant.ASR_PTT,
                mSharedPreferences.getString("iat_punc_preference", "1"));
        // 设置音频保存路径
        mIat.setParameter(SpeechConstant.ASR_AUDIO_PATH,
                "/sdcard/iflytek/wavaudio.pcm");
    }
    @Override
    public void onInit(int status) {
        // TODO Auto-generated method stub
        speak.setLanguage(Locale.US);// 初始化TTS组件，设置语言为US英语
    }
     
}

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