从Java加入两个WAV文件？

import java.io.File;
import java.io.IOException;
import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.TargetDataLine;
import javax.sound.sampled.Clip;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.Mixer;
import javax.sound.sampled.FloatControl;
import javax.sound.sampled.LineListener;
import javax.sound.sampled.LineEvent;

public static void mergeWAVFiles(String file1, String file2, String outputFile) {
    try {
        AudioInputStream audioInputStream1 = AudioSystem.getAudioInputStream(new File(file1));
        AudioInputStream audioInputStream2 = AudioSystem.getAudioInputStream(new File(file2));

        AudioInputStream mergedAudioStreams = new AudioInputStream(
            new SequenceInputStream(audioInputStream1, audioInputStream2),
            audioInputStream1.getFormat(),
            audioInputStream1.getFrameLength() + audioInputStream2.getFrameLength()
        );

        AudioSystem.write(mergedAudioStreams, AudioFileFormat.Type.WAVE, new File(outputFile));
    } catch (Exception e) {
        e.printStackTrace();
    }
}

public static void main(String[] args) {
    String file1 = "path/to/file1.wav";
    String file2 = "path/to/file2.wav";
    String outputFile = "path/to/output.wav";

    mergeWAVFiles(file1, file2, outputFile);
}