求java声音播放(对单词或句子进行阅读)代码例子
如IBM詞典，对句子可以完成阅读 问题点数：100、回复次数：1Top
1 楼wyhgg（石头）回复于 2003-06-04 08:52:44 得分 100
//Talker.java
import java.io.*;
import java.util.*;
import java.net.*;
import javax.sound.sampled.*;
public class Talker
{
private SourceDataLine line=null;
public static void main(String args[])
{
Talker player=new Talker();
if(args.length>0)
{
for(int i=0;i<args.length;i++)
{
player.sayPhoneWord(args[i]);
}
}
else
{
player.sayPhoneSentence("ii l|o|ve y|ou l|i l|i p|i|ng");
}
System.exit(0);
}
public void sayPhoneSentence(String sentence)
{
StringTokenizer st=new StringTokenizer(sentence," ",false);
while(st.hasMoreTokens())
{
String word=st.nextToken();
sayPhoneWord(word);
}
}
public void sayPhoneWord(String word)
{
byte[] previousSound=null;
StringTokenizer st=new StringTokenizer(word,"|",false);
while (st.hasMoreTokens())
{
String thisPhoneFile=st.nextToken();
thisPhoneFile="/allophones/"+thisPhoneFile+".au";
byte[] thisSound=getSound(thisPhoneFile);
if(previousSound!=null)
{
int mergeCount=0;
if (previousSound.length>=500 && thisSound.length>=500)
{
mergeCount=500;
}
for(int i=0; i<mergeCount;i++)
{
previousSound[previousSound.length-mergeCount+i]=(byte)((previousSound[previousSound.length-mergeCount+i]+thisSound[i])/2);
}
playSound(previousSound);
byte[] newSound=new byte[thisSound.length-mergeCount];
for (int ii=0; ii<newSound.length; ii++)
{
newSound[ii]=thisSound[ii+mergeCount];
}
previousSound=newSound;
}
else
{
previousSound=thisSound;
}
}
playSound(previousSound);
drain();
}
private void drain()
{
if (line!=null) line.drain();
try {Thread.sleep(100);}catch(Exception e){}
}
private void playSound(byte[] data)
{
if (data.length>0) line.write(data, 0, data.length);
}
private byte[] getSound(String fileName)
{
try
{
URL url=Talker.class.getResource(fileName);
AudioInputStream stream = AudioSystem.getAudioInputStream(url);
AudioFormat format = stream.getFormat();
if ((format.getEncoding() == AudioFormat.Encoding.ULAW) || (format.getEncoding() == AudioFormat.Encoding.ALAW))
{
AudioFormat tmpFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,format.getSampleRate(),format.getSampleSizeInBits()*2,format.getChannels(),format.getFrameSize()*2,format.getFrameRate(),true);
stream = AudioSystem.getAudioInputStream(tmpFormat, stream);
format = tmpFormat;
}
DataLine.Info info = new DataLine.Info(Clip.class,format,((int) stream.getFrameLength() * format.getFrameSize()));
if(line==null)
{
DataLine.Info outInfo = new DataLine.Info(SourceDataLine.class,format);
if (!AudioSystem.isLineSupported(outInfo))
{
System.out.println("Line matching " + outInfo + " not supported.");
throw new Exception("Line matching " + outInfo + " not supported.");
}
line = (SourceDataLine) AudioSystem.getLine(outInfo);
line.open(format, 50000);
line.start();
}
int frameSizeInBytes = format.getFrameSize();
int bufferLengthInFrames = line.getBufferSize() / 8;
int bufferLengthInBytes = bufferLengthInFrames * frameSizeInBytes;
byte[] data=new byte[bufferLengthInBytes];
int numBytesRead = 0;
if ((numBytesRead = stream.read(data)) != -1)
{
int numBytesRemaining = numBytesRead;
}
byte maxByte=0;
byte[] newData=new byte[numBytesRead];
for (int i=0; i<numBytesRead;i++)
{
newData[i]=data[i];
if (newData[i]>maxByte)
{
maxByte=newData[i];
}
}
return newData;
}
catch (Exception e)
{
return new byte[0];
}
}
}
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