Android语音合成与语音识别,供大家参考,具体内容如下
这里调用科大讯飞语音的API,语音云开放平台介绍
调用科大讯飞语音的API,需要加添库文件Msc.jar,添加libmsc.so文件,还需添加权限,具体步骤可参看SDK里的文档
参看开发的文档写了一个简单的语音合成和识别demo,图示如下
在EditText里输入文字,点击语音合成,可以实现文字转化为语音
点击语音合成,输入语音,识别的文字以提示的形式显示,并且显示在EditText中
主要代码如下,注意appid需要自己申请
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package com.example.voice; import java.util.ArrayList; import android.os.Bundle; import android.app.Activity; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; import com.iflytek.cloud.speech.*; public class VoiceActivity extends Activity { private static final String APPID = "appid=52cddb99" ; private EditText et = null ; private Button btn1 = null ; private Button btn2 = null ; String text = "" ; String temp= "" ; protected void onCreate(Bundle savedInstanceState) { super .onCreate(savedInstanceState); setContentView(R.layout.activity_voice); et = (EditText) findViewById(R.id.et); btn1 = (Button) findViewById(R.id.btn1); btn1.setOnClickListener(mylistener); btn2 = (Button) findViewById(R.id.btn2); btn2.setOnClickListener(mylistener); } private OnClickListener mylistener = new OnClickListener() { public void onClick(View v) { SpeechUser.getUser().login(VoiceActivity. this , null , null , APPID, loginListener); Button btn = (Button) v; switch (btn.getId()) { case R.id.btn1: SpeechSynthesizer mSpeechSynthesizer = SpeechSynthesizer .createSynthesizer(VoiceActivity. this ); mSpeechSynthesizer.setParameter(SpeechConstant.VOICE_NAME, "xiaoyu" ); mSpeechSynthesizer.setParameter(SpeechConstant.SPEED, "50" ); mSpeechSynthesizer.startSpeaking(et.getText().toString(), mSynListener); break ; case R.id.btn2: text = "" ; temp= "" ; SpeechRecognizer recognizer = SpeechRecognizer .createRecognizer(VoiceActivity. this ); recognizer.setParameter(SpeechConstant.DOMAIN, "iat" ); recognizer.setParameter(SpeechConstant.LANGUAGE, "zh_cn" ); recognizer.setParameter(SpeechConstant.ACCENT, "accent" ); recognizer.startListening(mRecoListener); break ; } } }; private SynthesizerListener mSynListener = new SynthesizerListener() { public void onBufferProgress( int arg0, int arg1, int arg2, String arg3) { } public void onCompleted(SpeechError arg0) { } public void onSpeakBegin() { } public void onSpeakPaused() { } public void onSpeakProgress( int arg0, int arg1, int arg2) { } public void onSpeakResumed() { } }; private RecognizerListener mRecoListener = new RecognizerListener() { public void onBeginOfSpeech() { } public void onEndOfSpeech() { } public void onError(SpeechError error) { } public void onEvent( int arg0, int arg1, int arg2, String arg3) { } public void onVolumeChanged( int arg0) { } public void onResult(RecognizerResult results, boolean isLast) { //将解析后的字符串连在一起 temp=results.getResultString(); JsonParser json = new JsonParser(); text+=json.parseIatResult(temp); if (isLast== true ) { et.setText(text, null ); Toast.makeText(VoiceActivity. this ,text,Toast.LENGTH_LONG).show(); } } }; private SpeechListener loginListener = new SpeechListener() { public void onCompleted(SpeechError arg0) { } public void onData( byte [] arg0) { } public void onEvent( int arg0, Bundle arg1) { } }; public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.voice, menu); return true ; } } |
布局文件
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< TableLayout xmlns:android = "http://schemas.android.com/apk/res/android" xmlns:tools = "http://schemas.android.com/tools" android:layout_width = "match_parent" android:layout_height = "match_parent" android:paddingBottom = "@dimen/activity_vertical_margin" android:paddingLeft = "@dimen/activity_horizontal_margin" android:paddingRight = "@dimen/activity_horizontal_margin" android:paddingTop = "@dimen/activity_vertical_margin" tools:context = ".VoiceActivity" > < TextView android:layout_width = "wrap_content" android:layout_height = "wrap_content" android:gravity = "center" android:text = "VoiceApplication" /> < EditText android:id = "@+id/et" android:layout_width = "fill_parent" android:layout_height = "wrap_content" android:gravity = "top" android:layout_weight = "0.32" /> < Button android:id = "@+id/btn1" android:layout_width = "wrap_content" android:layout_height = "wrap_content" android:layout_weight = "0.03" android:text = "语音合成" /> < Button android:id = "@+id/btn2" android:layout_width = "wrap_content" android:layout_height = "wrap_content" android:layout_weight = "0.03" android:text = "语音识别" /> </ TableLayout > |
解析Json格式的数据是参照讯飞的文档中的
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package com.example.voice; import org.json.JSONArray; import org.json.JSONObject; import org.json.JSONTokener; import android.text.TextUtils; //import com.iflytek.speech.ErrorCode; //import com.iflytek.speech.SpeechError; /** * 对云端返回的Json结果进行解析 * * @author iFlytek * @since 20131211 */ public class JsonParser { /** * 听写结果的Json格式解析 * * @param json * @return */ public static String parseIatResult(String json) { if (TextUtils.isEmpty(json)) return "" ; StringBuffer ret = new StringBuffer(); try { JSONTokener tokener = new JSONTokener(json); JSONObject joResult = new JSONObject(tokener); JSONArray words = joResult.getJSONArray( "ws" ); for ( int i = 0 ; i < words.length(); i++) { // 听写结果词,默认使用第一个结果 JSONArray items = words.getJSONObject(i).getJSONArray( "cw" ); JSONObject obj = items.getJSONObject( 0 ); ret.append(obj.getString( "w" )); // 如果需要多候选结果,解析数组其他字段 // for(int j = 0; j < items.length(); j++) // { // JSONObject obj = items.getJSONObject(j); // ret.append(obj.getString("w")); // } } } catch (Exception e) { e.printStackTrace(); } return ret.toString(); } } |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/suancaiyucoding/article/details/19121799