精品文档---下载后可任意编辑题目： 基于 STM32 的 MP3 播放系统设计 专 业 电子信息科学与技术 摘要 MP3 是一种高质量音乐压缩标准，采纳 MP3 压缩的数据量可以缩小到 1/12，音质却没有多少损失。由于 MP3 音乐的较小数据量和高质量的播放效果，使它很快成为一种集音频播放、数据存储为一身的数码产品，并深受人们的喜爱。本文采纳 STM32 系列微控制器，结合解码芯片 VS1003、SD 卡、 LCD 等外围设备设计并实现了 MP3 播放器。其主要功能有：播放VS1003 支持的所有音频文件，如 MP3、WMA、WAV 文件，且音质非常好；通过摇杆控制播放上一首/下一首，通过电位计来控制音量增减，通过 LCD 显示音量图标和播放状态等；本系统还计划实现读卡器功能，PC 机可通过 USB 接口直接对开发板上的 SD 卡进行读写操作，以方便拷贝音频文件。关键字：MP3 播放器、CortexM3、STM32V100、VS1003ABSTRACTIs a high quality MP3 music compression standard, with MP3 compressed data can be reduced to 1 / 12, but there is little loss of sound quality. MP3 music as the smaller amount of data and high-quality playback, it will soon become a set of audio playback, the data is stored as a digital product, and very popular. In this paper, STM32 family of microcontrollers, combined with decoder chip VS1003, SD card, LCD and other peripherals design and implementation of MP3 players. Its main functions are: Play VS1003 supports all audio files, such as MP3, WMA, WAV files, and the sound quality is very good; through the joystick control playback on a / to the next, through a potentiometer to control volume change, through the LCD show the volume icon and play status, etc.; The system also plans to achieve reader function, PC machine interfaces via USB directly to the development board of the SD card read and write operations to facilitate the copying audio files.Key words:MP3 Players; CortexM3; STM32V100; VS1003目 录摘要 IABSTRACT 1 目录 1 第一章绪论 1...
