Android 如何在外部存储器中将文本保存为.wav/.mp3格式的语音文件
我正在做一个文本到语音的示例应用程序,在这里,我的要求是使用EditText从用户那里获取文本,并将输入文本保存为.wav/.mp3格式并存储在外部存储器中。我在这个过程中使用了以下代码,但我不会成功 main.xmlAndroid 如何在外部存储器中将文本保存为.wav/.mp3格式的语音文件,android,text-to-speech,Android,Text To Speech,我正在做一个文本到语音的示例应用程序,在这里,我的要求是使用EditText从用户那里获取文本,并将输入文本保存为.wav/.mp3格式并存储在外部存储器中。我在这个过程中使用了以下代码,但我不会成功 main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<EditText
android:id="@+id/editText1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:inputType="textMultiLine" >
<requestFocus />
</EditText>
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Save in Sdcard" />
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Play the text file" />
</LinearLayout>
TTS\U AudioActivity.java
public class TTS_AudioActivity extends Activity {
/** Called when the activity is first created. */
Button store, play;
EditText input;
String speakTextTxt;
private TextToSpeech mTts;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
store = (Button) findViewById(R.id.button1);
play = (Button) findViewById(R.id.button2);
input = (EditText) findViewById(R.id.editText1);
store.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
speakTextTxt = input.getText().toString();
HashMap<String, String> myHashRender = new HashMap<String, String>();
myHashRender.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID,
speakTextTxt);
String exStoragePath = Environment
.getExternalStorageDirectory().getAbsolutePath();
File appTmpPath = new File(exStoragePath + "/sounds/");
appTmpPath.mkdirs();
String tempFilename = "tmpaudio.wav";
String tempDestFile = appTmpPath.getAbsolutePath() + "/"
+ tempFilename;
mTts.synthesizeToFile(speakTextTxt, myHashRender, tempDestFile);
}
});
play.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
final MediaPlayer mMediaPlayer = new MediaPlayer();
try {
mMediaPlayer.setDataSource("/sdcard/sounds/tmpaudio.wav");
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mMediaPlayer.start();
mMediaPlayer
.setOnCompletionListener(new OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
mMediaPlayer.stop();
}
});
}
});
}
}
公共类TTS\U音频活动扩展活动{
/**在首次创建活动时调用*/
按钮店,玩;
编辑文本输入;
字符串speakTextTxt;
私有文本语音MTT;
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
store=(按钮)findviewbyd(R.id.button1);
play=(按钮)findViewById(R.id.button2);
输入=(EditText)findViewById(R.id.editText1);
store.setOnClickListener(新的OnClickListener(){
@凌驾
公共void onClick(视图v){
//TODO自动生成的方法存根
speakTextTxt=input.getText().toString();
HashMap myHashRender=新建HashMap();
myHashRender.put(TextToSpeech.Engine.KEY_参数_话语_ID,
speakTextTxt);
字符串exStoragePath=Environment
.getExternalStorageDirectory().getAbsolutePath();
File appTmpPath=新文件(exStoragePath+“/sounds/”;
appTmpPath.mkdirs();
字符串tempFilename=“tmpaudio.wav”;
字符串tempDestFile=appTmpPath.getAbsolutePath()+“/”
+临时文件名;
合成文件(speakTextTxt、myHashRender、tempDestFile);
}
});
play.setOnClickListener(新的OnClickListener(){
@凌驾
公共void onClick(视图v){
//TODO自动生成的方法存根
最终MediaPlayer层=新MediaPlayer();
试一试{
mmediplayer.setDataSource(“/sdcard/sounds/tmpaudio.wav”);
}捕获(IllegalArgumentException e){
//TODO自动生成的捕捉块
e、 printStackTrace();
}捕获(非法状态){
//TODO自动生成的捕捉块
e、 printStackTrace();
}捕获(IOE异常){
//TODO自动生成的捕捉块
e、 printStackTrace();
}
mmediplayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mmediplayer.start();
半透层
.setOnCompletionListener(新的OnCompletionListener(){
@凌驾
完成时的公共作废(MediaPlayer mp){
mmediplayer.stop();
}
});
}
});
}
}
在本例中,当我单击“存储”按钮时,输入文本必须存储为.wav格式,为此我使用了《代码片段表单开发人员指南》。成功保存后,当我单击“播放”按钮时,必须播放保存文件。我怎样才能做到这一点。提前感谢。使用
MediaScannerConnection.scanFile((Context) (this), new String[] {destFileName}, null, null);
将USB重新连接到设备。在我显示.wav文件之前,我的文件没有显示.wav文件。或者,使用ASTRO文件查看它们。您是否尝试使用以下功能:
public int synthesizeToFile (CharSequence text, Bundle params, File file, String utteranceId)
代码如下所示:
private void speakText(String text) {
String state = Environment.getExternalStorageState();
boolean mExternalStorageWriteable = false;
boolean mExternalStorageAvailable = false;
if (Environment.MEDIA_MOUNTED.equals(state)) {
// Can read and write the media
mExternalStorageAvailable = mExternalStorageWriteable = true;
} else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) {
// Can only read the media
mExternalStorageAvailable = true;
mExternalStorageWriteable = false;
} else {
// Can't read or write
mExternalStorageAvailable = mExternalStorageWriteable = false;
}
File root = android.os.Environment.getExternalStorageDirectory();
File dir = new File(root.getAbsolutePath() + "/download");
dir.mkdirs();
File file = new File(dir, "myData.mp3");
int test = m_TTS.synthesizeToFile((CharSequence) text, null, file,
"tts");
}
如果一切正常,变量测试必须为0
记住向清单中添加权限:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+1回答问题。我也有同样的要求,如果你得到它让我知道或更新与答案。。谢谢。你得到答案了吗?如果这个答案对你有帮助,现在就告诉我。