java代码怎么运行声音 java代码怎么运行声音程序

java应用程序如何播放提示音（wmv、avi格式等）

wmv和avi都是视频格式……

File

f

=

new

File("d:\\music.wav");

URL

cb

=

f.toURL();

AudioClip

aau;

aau

=

Applet.newAudioClip(cb);

aau.start();//单次播放

aau.loop()

循环播放aau.stop()停止播放

相关问答

Q1: java 控制台程序怎么调用声音文件？

在 applet 中播放声音文件非常简单，一般需要以下步骤：创建一个 AudioClip 对象

装入 .au 声音文件到 AudioClip 对象

一次播放或者不停循环播放声音

停止播放

下面是相应的代码：import java.applet.*;AudioClip ac = getAudioClip(getCodeBase(), soundFile);

ac.play(); //play once

ac.stop(); //stop playing

解决这个问题的窍门是利用由 Sun 及 其JDK 提供的某些 undocumented 的特征。先看看 Sun JDK 中的文件 classes.zip （使用任何解压工具即可），发现其中不仅包含标准的 Java 包如 java.applet 而且还存在包 sun.audio. (在 sun/audio 的目录下.)

包 sun.audio 中包含了用于播放声音文件所需的所有东西!下面是示例代码：import sun.audio.*; //import the sun.audio package

import java.io.*;//** add this into your application code as appropriate// Open an input stream to the audio file.

InputStream in = new FileInputStream(Filename);// Create an AudioStream object from the input stream.

AudioStream as = new AudioStream(in);// Use the static class member "player" from class AudioPlayer to play

// clip.

AudioPlayer.player.start(as);// Similarly, to stop the audio.

AudioPlayer.player.stop(as);如果要用一个 URL 做为声音流的源(source)，则用下面的代码所示替换输入流来创建声音流：AudioStream as = new AudioStream (url.openStream());如果需要持续播放声音文件，则要稍稍复杂一点：// Create audio stream as discussed previously.

// Create AudioData source.

AudioData data = as.getData();// Create ContinuousAudioDataStream.

ContinuousAudioDataStream cas = new ContinuousAudioDataStream (data);// Play audio.

Q2: Java怎么实现音乐播放

java swt实现播放音乐代码如下：

public void play(String Filename)

{

try{

// 用输入流打开一音频文件

InputStream in = new FileInputStream(Filename);//FIlename 是你加载的声音文件如(“game.wav”)

// 从输入流中创建一个AudioStream对象

AudioStream as = new AudioStream(in);

AudioPlayer.player.start(as);//用静态成员player.start播放音乐

//AudioPlayer.player.stop(as);//关闭音乐播放

//如果要实现循环播放，则用下面的三句取代上面的“AudioPlayer.player.start(as);”这句

/*AudioData data = as.getData();

ContinuousAudioDataStream gg= new ContinuousAudioDataStream (data);

AudioPlayer.player.start(gg);// Play audio.

*/

//如果要用一个 URL 做为声音流的源(source)，则用下面的代码所示替换输入流来创建声音流：

/*AudioStream as = new AudioStream (url.openStream());

*/

} catch(FileNotFoundException e){

System.out.print("FileNotFoundException ");

} catch(IOException e){

System.out.print("有错误!");

}

}

Q3: java程序如何播放声音

package login;

import java.io.File;

import java.io.IOException;

import javax.sound.sampled.AudioFormat;

import javax.sound.sampled.AudioInputStream;

import javax.sound.sampled.AudioSystem;

import javax.sound.sampled.DataLine;

import javax.sound.sampled.FloatControl;

import javax.sound.sampled.LineUnavailableException;

import javax.sound.sampled.SourceDataLine;

import javax.sound.sampled.UnsupportedAudioFileException;

public class testviode extends Thread {

private String filename;

private Position curPosition;

private final int EXTERNAL_BUFFER_SIZE = 524288; // 128Kb

enum Position {

LEFT, RIGHT, NORMAL

};

public testviode(String wavfile) {

filename = wavfile;

curPosition = Position.NORMAL;

}

public testviode(String wavfile, Position p) {

filename = wavfile;

curPosition = p;

}

public void run() {

File soundFile = new File(filename);

if (!soundFile.exists()) {

System.err.println("Wave file not found: " + filename);

return;

}

AudioInputStream audioInputStream = null;

try {

audioInputStream = AudioSystem.getAudioInputStream(soundFile);

} catch (UnsupportedAudioFileException e1) {

e1.printStackTrace();

return;

} catch (IOException e1) {

e1.printStackTrace();

return;

}

AudioFormat format = audioInputStream.getFormat();

SourceDataLine auline = null;

DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);

try {

auline = (SourceDataLine) AudioSystem.getLine(info);

auline.open(format);

} catch (LineUnavailableException e) {

e.printStackTrace();

return;

} catch (Exception e) {

e.printStackTrace();

return;

}

if (auline.isControlSupported(FloatControl.Type.PAN)) {

FloatControl pan = (FloatControl) auline

.getControl(FloatControl.Type.PAN);

if (curPosition == Position.RIGHT)

pan.setValue(1.0f);

else if (curPosition == Position.LEFT)

pan.setValue(-1.0f);

}

auline.start();

int nBytesRead = 0;

byte[] abData = new byte[EXTERNAL_BUFFER_SIZE];

try {

while (nBytesRead != -1) {

nBytesRead = audioInputStream.read(abData, 0, abData.length);

if (nBytesRead = 0)

auline.write(abData, 0, nBytesRead);

}

} catch (IOException e) {

e.printStackTrace();

return;

} finally {

auline.drain();

auline.close();

}

}}

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