java播放PCM文件

import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.IOException;import java.io.InputStream;import javax.sound.sampled.AudioFormat;import javax.sound.sampled.AudioSystem;import javax.sound.sampled.DataLine;import javax.sound.sampled.LineUnavailableException;import javax.sound.sampled.SourceDataLine;public class test {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubtry {File file = new File("OutPcm.pcm");System.out.println(file.length());int offset = 0;int bufferSize = Integer.valueOf(String.valueOf(file.length())) ;byte[] audioData = new byte[bufferSize];InputStream in = new FileInputStream(file);in.read(audioData);float sampleRate = 16000;int sampleSizeInBits = 16;int channels = 1;boolean signed = true;boolean bigEndian = false;// sampleRate - 每秒的样本数// sampleSizeInBits - 每个样本中的位数// channels - 声道数（单声道 1 个，立体声 2 个）// signed - 指示数据是有符号的，还是无符号的// bigEndian - 指示是否以 big-endian 字节顺序存储单个样本中的数据（false 意味着// little-endian）。AudioFormat af = new AudioFormat(sampleRate, sampleSizeInBits, channels, signed, bigEndian);SourceDataLine.Info info = new DataLine.Info(SourceDataLine.class, af, bufferSize);SourceDataLine sdl = (SourceDataLine) AudioSystem.getLine(info);sdl.open(af);sdl.start();while (offset < audioData.length) {offset += sdl.write(audioData, offset, bufferSize);}} catch (LineUnavailableException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (FileNotFoundException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}

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