cocos2dx中可以使用SimpleAudioEngine音频引擎添加和管理项目中的音频和特效，SimpleAudioEngine是一个共享的单例对象，

1，SimpleAudioEngine简介

SimpleAudioEngine在扩展库libAudio中，使用的时候需添加进项目中，声明在命名空间namespace:CocosDenshion中。

2，SimpleAudioEngine方法

播放：

SimpleAudioEngine::getInstance()->playBackgroundMusic("background.mp3",true);

SimpleAudioEngine::getInstance()->playBackgroundMusic("background.mp3",false);

SimpleAudioEngine::getInstance()->playEffect("background.mp3",false,1.0,1.0);

暂停：

SimpleAudioEngine::getInstance()->pauseBackgroundMusic();

SimpleAudioEngine::getInstance()->pauseEffect();

SimpleAudioEngine::getInstance()->pauseAllEffects();

恢复：

SimpleAudioEngine::getInstance()->resumeBackgroundMusic();

SimpleAudioEngine::getInstance()->resumeEffect();

SimpleAudioEngine::getInstance()->resumeAllEffects();

停止：

SimpleAudioEngine::getInstance()->stopBackgroundMusic();

SimpleAudioEngine::getInstance()->stopEffect();

SimpleAudioEngine::getInstance()->stopAllEffects();