目前只支持文件和二进制数组
上代码

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;

public final class Pcm2WavUtils {

    private Pcm2WavUtils () {}
    
    public static byte[] parse(byte[] source) throws IOException {
        float sampleRate = 16000;
        int sampleSizeInBits = 16;
        int channels = 1;
        boolean signed = true;
        boolean bigEndian = false;
        AudioFormat af = new AudioFormat(sampleRate, sampleSizeInBits, channels, signed, bigEndian);
        try (
                AudioInputStream in = new AudioInputStream(new ByteArrayInputStream(source), af, source.length);
                ByteArrayOutputStream out = new ByteArrayOutputStream();
                ) {
            AudioSystem.write(in, AudioFileFormat.Type.WAVE, out);
            byte[] bs = out.toByteArray();
            return bs;
        }
    }
    
    public static void parse (File source, File target) throws IOException {
        float sampleRate = 16000;
        int sampleSizeInBits = 16;
        int channels = 1;
        boolean signed = true;
        boolean bigEndian = false;
        AudioFormat af = new AudioFormat(sampleRate, sampleSizeInBits, channels, signed, bigEndian);
        try (
                AudioInputStream in = new AudioInputStream(new FileInputStream(source), af, source.length());
                FileOutputStream out = new FileOutputStream(target);
                ) {
            AudioSystem.write(in, AudioFileFormat.Type.WAVE, out);
        }
    }
    
}