首先,打開雲知聲開放平台


添加新應用后,選擇Android,離線語音合成,點擊下載


下載完成后,解壓壓縮包USCDemo文件夾
打開USCDemo-->assets-->OfflineTTSModels,選擇復制2個文件(離線語音合成模型)到你項目中的assets資源目錄下

打開USCDemo-->libs,復制jar包和.so文件到你的項目libs目錄下

注意:需要在build.gradle增加如下圖所示代碼(注意層級),不然編譯時會報錯找不到.so文件(如下圖左上角箭頭修改項目結構為Project,然后找到在app目錄下的build.gradle文件進行修改)

- repositories {
- flatDir {
- dir 'libs'
- }
- }
- sourceSets {
- main {
- jniLibs.srcDir 'libs'
- }
- }
做完以上准備工作,就可以開始擼代碼了
首先,AndroidManifest.xml申請權限(6.0需要動態申請權限,礙於篇幅,請自行百度)
- <uses-permission android:name="android.permission.RECORD_AUDIO"/>
- <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
- <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
- <uses-permission android:name="android.permission.INTERNET"/>
- <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
- <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
- <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
- <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
- <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
- <uses-permission android:name="android.permission.READ_CONTACTS"/>
- <uses-permission android:name="android.permission.WAKE_LOCK" />
- <uses-permission android:name="android.permission.VIBRATE" />

- package com.cyf.ttsdemo.utils;
- import android.content.Context;
- import android.os.Environment;
- import android.util.Log;
- import com.cyf.ttsdemo.MyApplication;
- import com.unisound.client.SpeechConstants;
- import com.unisound.client.SpeechSynthesizer;
- import com.unisound.client.SpeechSynthesizerListener;
- import java.io.File;
- import java.io.FileOutputStream;
- import java.io.IOException;
- import java.io.InputStream;
- /**
- * Created by As on 2017/8/7.
- */
- public class TTSUtils implements SpeechSynthesizerListener {
- private static final String TAG = "TTSUtils";
- private static volatile TTSUtils instance = null;
- private boolean isInitSuccess = false;
- private SpeechSynthesizer mTTSPlayer;
- private static final String SAMPLE_DIR = Environment.getExternalStorageDirectory().getAbsolutePath() + "/unisound/tts/";
- private static final String FRONTEND_MODEL = "frontend_model";
- private static final String BACKEND_MODEL = "backend_lzl";
- private static final String APPKEY = "wiouzjcsmxvqes7ibqqm5bcgqrzrvddsvtceiwa5";
- private static final String SECRET = "3e20d7aff586ffe7dce62b302e7cc378";
- private TTSUtils() {
- }
- public static TTSUtils getInstance() {
- if (instance == null) {
- synchronized (TTSUtils.class) {
- if (instance == null) {
- instance = new TTSUtils();
- }
- }
- }
- return instance;
- }
- public void init() {
- Context context = MyApplication.getContext();
- mTTSPlayer = new SpeechSynthesizer(context, APPKEY, SECRET);
- mTTSPlayer.setOption(SpeechConstants.TTS_SERVICE_MODE, SpeechConstants.TTS_SERVICE_MODE_LOCAL); // 設置本地合成
- File file = new File(SAMPLE_DIR);
- if (!file.exists()) {
- file.mkdirs();
- }
- File _FrontendModelFile = new File(SAMPLE_DIR + FRONTEND_MODEL);
- if (!_FrontendModelFile.exists()) {
- copyAssetsFile2SDCard(context, FRONTEND_MODEL, SAMPLE_DIR + FRONTEND_MODEL);
- }
- File _BackendModelFile = new File(SAMPLE_DIR + BACKEND_MODEL);
- if (!_BackendModelFile.exists()) {
- copyAssetsFile2SDCard(context, BACKEND_MODEL, SAMPLE_DIR + BACKEND_MODEL);
- }
- mTTSPlayer.setOption(SpeechConstants.TTS_KEY_FRONTEND_MODEL_PATH, SAMPLE_DIR + FRONTEND_MODEL);// 設置前端模型
- mTTSPlayer.setOption(SpeechConstants.TTS_KEY_BACKEND_MODEL_PATH, SAMPLE_DIR + BACKEND_MODEL);// 設置后端模型
- mTTSPlayer.setTTSListener(this);// 設置回調監聽
- mTTSPlayer.init(null);// 初始化合成引擎
- }
- public void speak(String msg) {
- if (isInitSuccess) {
- mTTSPlayer.playText(msg);
- }else {
- init();
- }
- }
- public void stop() {
- mTTSPlayer.stop();
- }
- public void pause() {
- mTTSPlayer.pause();
- }
- public void resume() {
- mTTSPlayer.resume();
- }
- public void release() {
- if (null != mTTSPlayer) {
- // 釋放離線引擎
- mTTSPlayer.release(SpeechConstants.TTS_RELEASE_ENGINE, null);
- }
- }
- @Override
- public void onEvent(int type) {
- switch (type) {
- case SpeechConstants.TTS_EVENT_INIT:
- isInitSuccess = true;
- break;
- case SpeechConstants.TTS_EVENT_SYNTHESIZER_START:
- // 開始合成回調
- Log.i(TAG, "beginSynthesizer");
- break;
- case SpeechConstants.TTS_EVENT_SYNTHESIZER_END:
- // 合成結束回調
- Log.i(TAG, "endSynthesizer");
- break;
- case SpeechConstants.TTS_EVENT_BUFFER_BEGIN:
- // 開始緩存回調
- Log.i(TAG, "beginBuffer");
- break;
- case SpeechConstants.TTS_EVENT_BUFFER_READY:
- // 緩存完畢回調
- Log.i(TAG, "bufferReady");
- break;
- case SpeechConstants.TTS_EVENT_PLAYING_START:
- // 開始播放回調
- Log.i(TAG, "onPlayBegin");
- break;
- case SpeechConstants.TTS_EVENT_PLAYING_END:
- // 播放完成回調
- Log.i(TAG, "onPlayEnd");
- break;
- case SpeechConstants.TTS_EVENT_PAUSE:
- // 暫停回調
- Log.i(TAG, "pause");
- break;
- case SpeechConstants.TTS_EVENT_RESUME:
- // 恢復回調
- Log.i(TAG, "resume");
- break;
- case SpeechConstants.TTS_EVENT_STOP:
- // 停止回調
- Log.i(TAG, "stop");
- break;
- case SpeechConstants.TTS_EVENT_RELEASE:
- // 釋放資源回調
- Log.i(TAG, "release");
- break;
- default:
- break;
- }
- }
- @Override
- public void onError(int type, String errorMSG) {
- Log.e(TAG, "語音合成錯誤回調: " + errorMSG);
- }
- public static void copyAssetsFile2SDCard(Context context, String fileName, String path) {
- try {
- InputStream is = context.getAssets().open(fileName);
- FileOutputStream fos = new FileOutputStream(new File(path));
- byte[] buffer = new byte[1024];
- int byteCount = 0;
- while ((byteCount = is.read(buffer)) != -1) {// 循環從輸入流讀取buffer字節
- fos.write(buffer, 0, byteCount);// 將讀取的輸入流寫入到輸出流
- }
- fos.flush();// 刷新緩沖區
- is.close();
- fos.close();
- } catch (IOException e) {
- Log.e(TAG, "copyAssetsFile2SDCard: " + e.toString());
- }
- }
- }
同樣的需要新建MyApplication.java進行預初始化離線語音合成功能
- package com.cyf.ttsdemo;
- import android.app.Application;
- import android.content.Context;
- import com.cyf.ttsdemo.utils.TTSUtils;
- /**
- * Created by As on 2017/8/7.
- */
- public class MyApplication extends Application{
- private static Context context;
- @Override
- public void onCreate() {
- super.onCreate();
- context = getApplicationContext();
- TTSUtils.getInstance().init();
- }
- public static Context getContext(){
- return context;
- }
- }

好的,這樣就大功告成了,在需要進行語音合成的地方調用TTSUtils.getInstance().speak("xxx")即可

注意:離線語音合成因為需要復制文件到SD卡中,所以初始化是比較耗時的,這就有可能造成有一些情況:初始化還未完成,但調用了語音合成方法沒有聲音的情況,而我在代碼中並未處理,所以有遇到類似情況的,可以自己琢磨處理一下。