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 stub

try {

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 block

e.printStackTrace();

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}