Text-to-speech 入门与进阶学习笔记(android)

1,入门:让TEXT朗读起来

官方TTS朗读支持语言种类
English	英语
French	法语
German	德语
Italian	意大利语
Spanish	西班牙语
不支持中文…

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//1,先写一个用来检查tts是否安装的方法 private final static int CHECK_CODE = 1;     public void checkTts(){         Intent checkIntent = new Intent();         checkIntent.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);                   startActivityForResult(checkIntent, CHECK_CODE);               }     //创建一个TTS     private TextToSpeech mTts;       //这个自己先去了解下onActivityResult是怎么回事,这里不作详解     @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) {         // TODO Auto-generated method stub         super.onActivityResult(requestCode, resultCode, data);         if(requestCode == CHECK_CODE){             if(resultCode == TextToSpeech.Engine.CHECK_VOICE_DATA_PASS){                 //成功创建一个TTS                 mTts = new TextToSpeech(this, this);             }else{                 //否则安装一个                 Intent installIntent = new Intent();                 installIntent.setAction(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);                 startActivity(installIntent);             }         }     } //2,让TTS朗读起来 //onCreate方法中 //检查TTS是否正常 checkTts();           //创建用组件 private speakValue = (EditText) findViewById(R.id.speakValue); private speakButton = (Button) findViewById(R.id.sayHello);           speakButton.setOnClickListener(new OnClickListener() {                           @Override             public void onClick(View v) {                 // TODO Auto-generated method stub                 String text = speakValue.getText().toString();                 Log.d("result","text-->" +text);                 sayTts(text);             }         }); //TTs朗读用 private void sayTts(String text){ //最简单的例子 mTts.speak(text, TextToSpeech.QUEUE_FLUSH, null);                         } //补充,使用TTS朗读,一定要实现OnInitListener　接口 //TTs对象创建后初始化 @Override public void onInit(int status) {           if(status == TextToSpeech.SUCCESS){ //设置语言区域 int result = mTts.setLanguage(Locale.US); //如果是不支持语言 if(result == TextToSpeech.LANG_MISSING_DATA || result == TextToSpeech.LANG_NOT_SUPPORTED){ Log.e("error","不支持");             }         }     }

就这么点代码就可以正常运行了…

2,进阶使用:改变我们朗读播放的类型,回调函数的使用与自定义文字发音

1,更改播放的流类型(暂且这样说,希望,有人解释一下)

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//更改播放使用的流类型 //在sayTts作以下修改 //TTs朗读用 private void sayTts(String text) { HashMap<String, String> myAlarm = new HashMap(); //把播放类型,通过闹钟流实现 myHashAlarm.put(TextToSpeech.Engine.KEY_PARAM_STREAM, String.valueOf(AudioManager.STREAM_ALARM));   //你播放的tts在音频播放的闹钟类型流中 mTts.speak(text, TextToSpeech.QUEUE_FLUSH, myAlarm);   //英语原文是这样,我了解的就是以上我注释的内容 //我感觉不是很了解,希望有人帮帮 //On Android, each audio stream that is played is associated with one //stream type, as defined in android.media.AudioManager. For a talking //alarm clock, we would like our text to be played on the //AudioManager.STREAM_ALARM stream type so that it respects the alarm //settings the user has chosen on the device.             }

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2,回调函数的使用

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//在sayTts()中实现.. //需要实现OnUtteranceCompletedListener这个接口 //TTs朗读用   private Toast toast; prvate Context context = getApplicationContext(); private void sayTts(String text) { HashMap<String, String> myAlarm = new HashMap();   mTts.setOnUtteranceCompletedListener(this); myAlarm.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, "me too");   toast = Toast.makeText(context, "me too", Toast.LENGTH_LONG); //最简单的例子 mTts.speak(text, TextToSpeech.QUEUE_FLUSH, myAlarm); }   //回调函数 @Override public void onUtteranceCompleted(String utteranceId) { speakPlayBack(utteranceId); } private void speakPlayBack(String str) { Log.d("result","playBack-->" + str); toast.show(); }

3,录制TTS朗读保存到SD卡中

 

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//把TTS朗读结果保存 private void sayTofile(String text) { HashMap<String, String> ttsRender = new HashMap<String, String>(); String destFileName = "/sdcard/tts/"+text+".wav"; ttsRender.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, text); mTts.synthesizeToFile(text, ttsRender, destFileName); }

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1	//在onclick方法中运行sayTofile()即可

 

你就可以看到你刚才朗读的Text被保存了

4,自定义Text发音

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//自定义文字播放 private void sayTrue(String text) { String destFileName = "/sdcard/tts/"+text+".wav"; mTts.addSpeech(text, destFileName); mTts.speak(text, TextToSpeech.QUEUE_FLUSH, null); } //在onclick方法中运行 sayTrue();

 

亲测,MP3也可以播放…

5,销毁

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@Override protected void onDestroy() {        super.onDestroy();     if(mTts != null){         mTts.stop();         mTts.shutdown();     } }

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