讯飞语音识别工具类
package com.example.utils;
import com.iflytek.cloud.speech.*;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
/**
* Created by songzs on 2017/12/4.
*/
public class SRTool {
private int perWaitTime = 100;
private StringBuffer mResult = new StringBuffer();
static {
SpeechUtility.createUtility("appid=********");//申请的appid
}
public String voice2words(String fileName) throws InterruptedException, IOException {
return to(fileName);
}
public String to(String fileName) throws InterruptedException, IOException {
File file = new File(fileName);
if(!file.exists()){
throw new RuntimeException("要读取的文件不存在");
}
FileInputStream fis = new FileInputStream(file);
int len = 0;
byte[] buf = new byte[fis.available()];
fis.read(buf);
fis.close();
//1.创建SpeechRecognizer对象
SpeechRecognizer mIat = SpeechRecognizer.createRecognizer();
//2.设置听写参数,详见《MSC Reference Manual》SpeechConstant类
mIat.setParameter(SpeechConstant.DOMAIN, "iat");
mIat.setParameter(SpeechConstant.LANGUAGE, "zh_cn");
mIat.setParameter(SpeechConstant.ACCENT, "mandarin ");
mIat.setParameter(SpeechConstant.AUDIO_SOURCE, "-1");
//3.开始听写
mIat.startListening(mRecoListener);
//voiceBuffer为音频数据流,splitBuffer为自定义分割接口,将其以4.8k字节分割成数组
ArrayList
for (int i = 0; i < buffers.size(); i++) {
// 每次写入msc数据4.8K,相当150ms录音数据
mIat.writeAudio(buffers.get(i), 0, buffers.get(i).length);
}
mIat.stopListening();
while (mIat.isListening()) {
Thread.sleep(perWaitTime);
}
return mResult+"";
}
/**
* 将字节缓冲区按照固定大小进行分割成数组
*
* @param buffer 缓冲区
* @param length 缓冲区大小
* @param spsize 切割块大小
* @return
*/
private ArrayList
ArrayList
if (spsize <= 0 || length <= 0 || buffer == null
|| buffer.length < length)
return array;
int size = 0;
while (size < length) {
int left = length - size;
if (spsize < left) {
byte[] sdata = new byte[spsize];
System.arraycopy(buffer, size, sdata, 0, spsize);
array.add(sdata);
size += spsize;
} else {
byte[] sdata = new byte[left];
System.arraycopy(buffer, size, sdata, 0, left);
array.add(sdata);
size += left;
}
}
return array;
}
//听写监听器
private RecognizerListener mRecoListener = new RecognizerListener() {
public void onResult(RecognizerResult results, boolean isLast) {
System.out.println("Result:" + results.getResultString());
mResult.append(results.getResultString());
}
//会话发生错误回调接口
public void onError(SpeechError error) {
System.out.println(error.getErrorCode()+"=========="+error.getErrorDesc());
System.out.println(error);
}
//开始录音
public void onBeginOfSpeech() {
}
//音量值0~30
public void onVolumeChange(int volume) {
}
@Override
public void onVolumeChanged(int i) {
}
@Override
public void onEndOfSpeech() {
}
@Override
public void onEvent(int i, int i1, int i2, String s) {
}
};
}
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