便携式多媒体音箱系统设计方案  

Design Scheme of Portable Multimedia Sound Box System

作　　者：翁杨[1] 郭涵雅[1] 周龙[1] 

机构地区：[1]武汉工业学院电气信息工程系

出　　处：《电子技术（上海）》2012年第7期63-65,62,共4页Electronic Technology

摘　　要：随着生活水平的不断提高,人们对多媒体的播放功能有了更高的需求。文章介绍了一种便携式多媒体音箱的系统设计方案,采用AU7860芯片,集数字调频立体收音、音频线路输入、实时时钟、LCD显示等众多功能于一体,只需配备电池便可使用。与以往多媒体音箱相比,本方案体积小、便于携带、功耗低、可以解码多种音频格式文件并支持断点记忆功能,更加具有真正意义上的多媒体播放功能。同时拥有OTG功能并支持U盘和SD卡内存储文件的播放。整个方案在满足用户操作及音效感受的同时,也使得用户可以随时便捷地更换所需的播放内容。With the continuous improvement of living standard, people have higher demand to multimedia player functions. This paper describes the design of a portable multimedia sound box system, which uses AU7860 chip, and combines digital FM stereo radio, audio LINE-IN, real-time clock, LCD and other useful functions. The system can be powered only by battery. Compared with the previous multimedia sound boxes, this design has smaller size, better portability, and lower power consumption. The system can also decode various audio formats and support break point. Therefore the current design offers the multimedia playing functions in more true significance. Besides, this system also supplies OTG function and supports USB and SD card. The whole scheme not only satisfies user＇s operating and sound effect experience, but also makes user being able to conveniently change the expected playing content at any time.

关 键 词：多媒体 便携式 音箱 液晶显示 

分 类 号：TN912.26[电子电信—通信与信息系统]