<dependencies>  
    <!-- MP3處理庫(kù) -->  
    <dependency>  
        <groupId>javazoom</groupId>  
        <artifactId>jlayer</artifactId>  
        <version>1.0.1</version>  
    </dependency>  
    <!-- 音頻處理庫(kù) -->  
    <dependency>  
        <groupId>be.tarsos.dsp</groupId>  
        <artifactId>TarsosDSP</artifactId>  
        <version>YOUR_VERSION</version>  
    </dependency>  
    <!-- 其他可能需要的庫(kù)，如文件操作等 -->  
</dependencies>

import javazoom.jl.decoder.Bitstream;  
import javazoom.jl.decoder.Decoder;  
import javazoom.jl.decoder.Header;  
import javazoom.jl.decoder.SampleBuffer;  
// ... 其他必要的導(dǎo)入 ...  
public class AudioMerger {  
    public void mergeAudioFiles(List<File> inputFiles, File outputFile) throws IOException {  
        // 這里假設(shè)我們有一個(gè)方法來處理PCM數(shù)據(jù)的合并和編碼回MP3  
        byte[] mergedPcmData = mergePcmData(inputFiles);  
        // 編碼回MP3的代碼（這里省略，因?yàn)樾枰~外的庫(kù)）  
        // encodePcmToMp3(mergedPcmData, outputFile);  
    }  
    private byte[] mergePcmData(List<File> inputFiles) throws IOException {  
        // 初始化合并的PCM數(shù)據(jù)（這里只是偽代碼）  
        ByteArrayOutputStream mergedData = new ByteArrayOutputStream();  
        for (File file : inputFiles) {  
            Bitstream bitstream = new Bitstream(new FileInputStream(file));  
            Decoder decoder = new Decoder();  
            Header frameHeader = null;  
            try {  
                while ((frameHeader = bitstream.readFrame()) != null) {  
                    SampleBuffer output = (SampleBuffer) decoder.decodeFrame(frameHeader, bitstream);  
                    // 將output中的數(shù)據(jù)追加到mergedData中（這里省略具體實(shí)現(xiàn)）  
                }  
            } finally {  
                if (bitstream != null) bitstream.close();  
            }  
        }  
        // 返回合并后的PCM數(shù)據(jù)（這里只是一個(gè)示例，實(shí)際上您可能需要處理采樣率、聲道數(shù)等）  
        return mergedData.toByteArray();  
    }  
    // ... 其他必要的代碼 ...  
}

import javax.sound.sampled.*;  
import java.io.*;  
public class WavMerger {  
    public static void main(String[] args) {  
        // 假設(shè)我們有兩個(gè)WAV文件要合并  
        File wavFile1 = new File("input1.wav");  
        File wavFile2 = new File("input2.wav");  
        File outputFile = new File("merged.wav");  
        try {  
            mergeWavFiles(new File[]{wavFile1, wavFile2}, outputFile);  
            System.out.println("WAV files merged successfully!");  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
    }  
    public static void mergeWavFiles(File[] wavFiles, File outputFile) throws UnsupportedAudioFileException, IOException, LineUnavailableException {  
        AudioInputStream[] audioStreams = new AudioInputStream[wavFiles.length];  
        // 讀取所有WAV文件到AudioInputStream  
        for (int i = 0; i < wavFiles.length; i++) {  
            audioStreams[i] = AudioSystem.getAudioInputStream(wavFiles[i]);  
        }  
        // 驗(yàn)證所有文件的音頻格式是否相同  
        AudioFormat targetFormat = audioStreams[0].getFormat();  
        for (int i = 1; i < audioStreams.length; i++) {  
            if (!audioStreams[i].getFormat().equals(targetFormat)) {  
                throw new IllegalArgumentException("All input files must have the same format.");  
            }  
        }  
        // 創(chuàng)建一個(gè)SequenceInputStream來合并所有的AudioInputStream  
        SequenceInputStream mergedStream = new SequenceInputStream(new Enumeration<AudioInputStream>() {  
            int index = 0;  
            @Override  
            public boolean hasMoreElements() {  
                return index < audioStreams.length;  
            }  
            @Override  
            public AudioInputStream nextElement() {  
                if (index >= audioStreams.length) {  
                    throw new NoSuchElementException();  
                }  
                return audioStreams[index++];  
            }  
        });  
        // 寫入合并后的音頻到文件  
        try (AudioSystem.write(mergedStream, AudioFileFormat.Type.WAVE, outputFile)) {  
            // 寫入操作在try-with-resources塊中自動(dòng)完成  
        }  
        // 關(guān)閉所有的AudioInputStream  
        for (AudioInputStream stream : audioStreams) {  
            stream.close();  
        }  
    }  
}