阿里语音识别

1、进入阿里云注册，下载javaSDK

package com.alibaba.idst.nls.demo;

import java.io.InputStream;

import com.alibaba.idst.nls.NlsClient;
import com.alibaba.idst.nls.NlsFuture;
import com.alibaba.idst.nls.event.NlsEvent;
import com.alibaba.idst.nls.event.NlsListener;
import com.alibaba.idst.nls.protocol.NlsRequest;
import com.alibaba.idst.nls.protocol.NlsResponse;

public class AsrDemo implements NlsListener {//语音识别成文字
 private static NlsClient client = new NlsClient();
 private String akId;
 private String akSecret;

 
 public AsrDemo(String akId, String akSecret) {
  System.out.println("init Nls client...");
  this.akId = akId;
  this.akSecret = akSecret;
  // 初始化NlsClient
  client.init();
 }

 public void shutDown() {
  System.out.println("close NLS client");
  // 关闭客户端并释放资源
  client.close();
  System.out.println("demo done");
 }

 public void startAsr() {
  //开始发送语音
  System.out.println("open audio file...");
        InputStream fis = null;
        try {
            fis = this.getClass().getClassLoader().getResourceAsStream("sample.pcm");
        } catch (Exception e) {
            e.printStackTrace();
        }

        if (fis != null) {
   System.out.println("create NLS future");
   try {
    NlsRequest req = new NlsRequest();
    req.setAppKey("nls-service"); // appkey请从 "快速开始" 帮助页面的appkey列表中获取
                req.setAsrFormat("pcm"); // 设置语音文件格式为pcm,我们支持16k 16bit 的无头的pcm文件。

    /*热词相关配置*/
    //req.setAsrVocabularyId("热词词表id");//热词词表id
    /*热词相关配置*/

    req.authorize(akId, akSecret); // 请替换为用户申请到的Access Key ID和Access Key
    // Secret
    NlsFuture future = client.createNlsFuture(req, this); // 实例化请求,传入请求和监听器
    System.out.println("call NLS service");
    byte[] b = new byte[8000];
    int len = 0;
    while ((len = fis.read(b)) > 0) {
     future.sendVoice(b, 0, len); // 发送语音数据
     Thread.sleep(50);
    }
    future.sendFinishSignal(); // 语音识别结束时，发送结束符
    System.out.println("main thread enter waiting for less than 10s.");
    future.await(10000); // 设置服务端结果返回的超时时间
   } catch (Exception e) {
    e.printStackTrace();
   }
   System.out.println("calling NLS service end");
  }
 }

 //@Override
 public void onMessageReceived(NlsEvent e) {
  //识别结果的回调
  NlsResponse response = e.getResponse();
  String result = "";
  int statusCode = response.getStatus_code();
  if (response.getAsr_ret() != null) {
   result += "\nget asr result: statusCode=[" + statusCode + "], " + response.getAsr_ret();
  }
  if (result != null) {
   System.out.println(result);
  } else {
   System.out.println(response.jsonResults.toString());
  }
 }

 //@Override
 public void onOperationFailed(NlsEvent e) {
  //识别失败的回调
  String result = "";
  result += "on operation failed: statusCode=[" + e.getResponse().getStatus_code() + "], " + e.getErrorMessage();
  System.out.println(result);
 }

 //@Override
 public void onChannelClosed(NlsEvent e) {
  //socket 连接关闭的回调
  System.out.println("on websocket closed.");
 }
  /*AccessKeyID：
 LTAI4yGBbd7rJNVi
 AccessKeySecret：
 GvQsZ3x2Wg8uYAO8tGz9CMwt0QKPJv*/
 public static void main(String[] args) {
  String akId ="4444";//请替换为用户申请到的Access Key ID和Access Key
  String akSecret = "444444";
  AsrDemo asrDemo = new AsrDemo(akId,akSecret);
  asrDemo.startAsr();
  asrDemo.shutDown();
 }
}

package com.alibaba.idst.nls.demo;
import com.alibaba.idst.nls.protocol.NlsResponse;
import com.alibaba.idst.nls.NlsClient;
import com.alibaba.idst.nls.NlsFuture;
import com.alibaba.idst.nls.event.NlsEvent;
import com.alibaba.idst.nls.event.NlsListener;
import com.alibaba.idst.nls.protocol.NlsRequest;

import java.io.File;
import java.io.FileOutputStream;

public class TTSDemo implements NlsListener { //文字合成语音
    private NlsClient client = new NlsClient();
    private String akId;
    private String akSecret;
    private String tts_text = "周冬雨是我女神,周冬雨是我女神,周冬雨是我女神,周冬雨是我女神,周冬雨是我女神,周冬雨是我女神,周冬雨是我女神,周冬雨是我女神,周冬雨是我女神,周冬雨是我女神,周冬雨是我女神,周冬雨是我女神";

    public TTSDemo(String akId, String akSecret) {
        System.out.println("init Nls client...");
        this.akId = akId;
        this.akSecret = akSecret;
  // 初始化NlsClient
        client.init();
    }

    public void shutDown() {
        System.out.println("close NLS client");
  // 关闭客户端并释放资源
        client.close();
        System.out.println("demo done");
    }

    public void startTTS() {
        File file = new File("tts.wav");
        if(!file.exists()) {
            try {
                file.createNewFile();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        NlsRequest req = new NlsRequest();
        String appkey = "nls-service";//社交聊天
        req.setAppKey(appkey); // 设置语音文件格式
        req.setTtsRequest(tts_text); //传入测试文本，返回语音结果
        req.setTtsEncodeType("wav");//返回语音数据格式，支持pcm,wav.alaw
        req.setTtsVolume(30);       //音量大小默认50，阈值0-100
        req.setTtsSpeechRate(0);    //语速，阈值-500~500
        req.setTtsBackgroundMusic(1,0);//背景音乐编号,偏移量
        req.authorize(akId, akSecret); // 请替换为用户申请到的Access Key ID和Access Key Secret
        try {
            FileOutputStream fileOutputStream = new FileOutputStream(file);
            NlsFuture future = client.createNlsFuture(req, this); // 实例化请求,传入请求和监听器
            int total_len = 0;
            byte[] data ;
            while((data = future.read()) != null) {
                fileOutputStream.write(data, 0, data.length);
                total_len += data.length;
            }
            fileOutputStream.close();
            System.out.println("tts audio file size is :" + total_len);
            future.await(10000); // 设置服务端结果返回的超时时间

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

   // @Override
    public void onMessageReceived(NlsEvent e) {
        NlsResponse response = e.getResponse();
        String result = "";
  int statusCode = response.getStatus_code();
        if (response.getTts_ret() != null) {
            result += "\nget tts result: statusCode=[" + statusCode + "], " + response.getTts_ret();
        }

        if (result != null) {
            System.out.println(result);
        }
        else {
            System.out.println(response.jsonResults.toString());
        }
    }

    //@Override
    public void onOperationFailed(NlsEvent e) {
     //识别失败的回调
        System.out.print("on operation failed: ");
        System.out.println(e.getErrorMessage());
    }

    //@Override
    public void onChannelClosed(NlsEvent e) {
     //socket 连接关闭的回调
        System.out.println("on websocket closed.");
    }

    /**
     * @param args
     */
    public static void main(String[] args) {
     String akId ="LTAI4yGBbd7rJNVi";//请替换为用户申请到的Access Key ID和Access Key
  String akSecret = "GvQsZ3x2Wg8uYAO8tGz9CMwt0QKPJv";
        TTSDemo ttsDemo = new TTSDemo(akId, akSecret);
        ttsDemo.startTTS();
        ttsDemo.shutDown();
    }
}

package com.alibaba.idst.nls.demo;

import java.io.InputStream;

import com.alibaba.idst.nls.NlsClient;
import com.alibaba.idst.nls.NlsFuture;
import com.alibaba.idst.nls.event.NlsEvent;
import com.alibaba.idst.nls.event.NlsListener;
import com.alibaba.idst.nls.protocol.NlsRequest;
import com.alibaba.idst.nls.protocol.NlsResponse;

public class NluDemo implements NlsListener {//其他
    private NlsClient client = new NlsClient();
    private String akId;
    private String akSecret;

    public NluDemo(String akId, String akSecret) {
        System.out.println("init Nls client...");
        this.akId = akId;
        this.akSecret = akSecret;
        // 初始化NlsClient
        client.init();
    }

    public void shutDown() {
        System.out.println("close NLS client");
        // 关闭客户端并释放资源
        client.close();
        System.out.println("demo done");
    }

    public void startNLU() {
        System.out.println("open audio file...");
        InputStream fis = null;
        try {
            fis = this.getClass().getClassLoader().getResourceAsStream("sample.pcm");
        } catch (Exception e) {
            e.printStackTrace();
        }

        if (fis != null) {
            System.out.println("create NLS future");
            try {
                NlsRequest req = new NlsRequest();
                req.setAppKey("nls-service"); // appkey请从 "快速开始" 帮助页面的appkey列表中获取
                req.setAsrFormat("pcm"); // 设置语音文件格式为pcm,我们支持16k 16bit 的无头的pcm文件。

                /*热词相关配置*/
                //req.setAsrVocabularyId("热词词表id");//热词词表id
    /*热词相关配置*/
               
               
                /*或者单独使用nlu*/
                //req.setAsrFake("北京天气"); //使用文本请求nlu结果,此模式下不需要发送语音数据
                /*或者单独使用nlu*/

                req.enableNLUResult(); // 设置nlu请求
                req.authorize(akId, akSecret); // 请替换为用户申请到的Access Key ID和Access Key Secret

                NlsFuture future = client.createNlsFuture(req, this);
                System.out.println("call NLS service");
                System.out.println(req.toJson());
                byte[] b = new byte[1024];
                int len = 0;
                if (req.getAsrFake() == null) {
                    while ((len = fis.read(b)) > 0) {
                        future.sendVoice(b, 0, len); // 发送语音数据
                        Thread.sleep(50);
                    }
                    future.sendFinishSignal(); // 语音识别结束时，发送结束符
                }
                System.out.println("main thread enter waiting for less than 10s.");
                future.await(10000); // 设置服务端结果返回的超时时间
            } catch (Exception e) {
                e.printStackTrace();
            }
            System.out.println("calling NLS service end");
        }
    }

  //  @Override
    public void onMessageReceived(NlsEvent e) {
        NlsResponse response = e.getResponse();
        String result = "";
        int statusCode = response.getStatus_code();
        System.out.println(statusCode);
        if (response.getDs_ret() != null) {
            result = "get ds result: statusCode=[" + statusCode + "], " + response.getDs_ret();
        }
        if (response.getAsr_ret() != null) {
            result += "\nget asr result: statusCode=[" + statusCode + "], " + response.getAsr_ret();
        }
        System.out.println(result);
    }

   // @Override
    public void onOperationFailed(NlsEvent e) {
        //识别失败的回调
        String result = "";
        result += "on operation failed: statusCode=[" + e.getResponse().getStatus_code() + "], " + e.getErrorMessage();
        System.out.println(result);
    }

   // @Override
    public void onChannelClosed(NlsEvent e) {
        System.out.println("on websocket closed.");
    }

    /**
     * @param args
     */
    public static void main(String[] args) {
     String akId ="LTAI4yGBbd7rJNVi";//请替换为用户申请到的Access Key ID和Access Key
  String akSecret = "GvQsZ3x2Wg8uYAO8tGz9CMwt0QKPJv";
        NluDemo nluDemo = new NluDemo(akId, akSecret);
        nluDemo.startNLU();
        nluDemo.shutDown();
    }
}