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/**
* 音频控制接口
* 定义了所有音频设备必须实现的功能
*/
public interface AudioControl {
/**
* 播放音频
*/
void playAudio();
/**
* 暂停音频
*/
void pauseAudio();
/**
* 停止音频
*/
void stopAudio();
/**
* 设置音量
* @param volume 音量值0-100
*/
void setVolume(int volume);
/**
* 获取当前音量
* @return 当前音量
*/
int getVolume();
}