Java轻松使用工具类实现获取wav时间长度

在Java中，工具类定义了一组公共方法，这篇文章将介绍Java中使用工具类来获取一个wav文件的时间长度，感兴趣的同学继续往下阅读吧

获取wav格式音频时长。

Maven依赖

  orgjaudiotagger2.0.1

工具类

 import org.jaudiotagger.audio.wav.util.WavInfoReader; import java.io.File; import java.io.IOException; import java.io.RandomAccessFile; /** @Author huyi @Date 2021/9/30 14:46 @Description: 音频工具类 */ public class AudioWavUtils { public static void getWavInfo(String filePath) throws Exception { File file = new File(filePath); WavInfoReader wavInfoReader = new WavInfoReader(); RandomAccessFile raf = new RandomAccessFile(file, "r"); // wav音频时长 long duration = (long) (wavInfoReader.read(raf).getPreciseLength() * 1000); // wav音频采样率 int sampleRate = toInt(read(raf, 24, 4)); System.out.println("duration -> " + duration + ",sampleRate -> " + sampleRate); raf.close(); } public static int toInt(byte[] b) { return ((b[3] << 24) + (b[2] << 16) + (b[1] << 8) + (b[0])); } public static byte[] read(RandomAccessFile rdf, int pos, int length) throws IOException { rdf.seek(pos); byte[] result = new byte[length]; for (int i = 0; i

输出结果：