[Audio processing] wav音频文件合并

package com.audioprocessingbox.myfunc;

import java.io.File;
import java.io.IOException;

import javax.sound.sampled.UnsupportedAudioFileException;

import com.audioprocessingbox.utils.WavFile;
import com.audioprocessingbox.utils.WavFileException;

public class AppCombFiles {
private static final long sampleRate = 16000;

public static void main(String[] arg) throws UnsupportedAudioFileException {
try {
int[] postbuffer = new int[0], newbuffer = new int[0], buffer;
WavFile wavFile;
for(int i = 103; i < 111; i++) {
wavFile = WavFile.openWavFile(new File("/Users/karl/Work/database/speaker/certainSpeaker/" + i + ".wav"));
if(sampleRate != wavFile.getSampleRate()) {
throw new IllegalArgumentException("The sample rate for this file is different than Recognito's " +
"defined sample rate : [" + wavFile.getSampleRate() + "]");
}
//Read wav data into int array
int nframes = (int) wavFile.getNumFrames();
buffer = new int[nframes];
wavFile.readFrames(buffer, nframes);
wavFile.close();
//Combine two int array
newbuffer = new int[postbuffer.length + buffer.length];
System.arraycopy(postbuffer, 0, newbuffer, 0, postbuffer.length);
System.arraycopy(buffer, 0, newbuffer, postbuffer.length, buffer.length);
postbuffer = new int[postbuffer.length + buffer.length];
postbuffer = newbuffer;
}
WavFile saveFile = WavFile.newWavFile(new File("/Users/karl/Work/javawork/combine.wav"), 1, postbuffer.length, 16, sampleRate);
saveFile.writeFrames(postbuffer, postbuffer.length);
saveFile.close();
System.out.println(postbuffer.length / sampleRate);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (WavFileException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}