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基于STM32单片机的多功能MP3播放器设计及实现

更新时间:2020-11-24 19:14:45 大小:8M 上传用户:gsy幸运查看TA发布的资源 标签:stm32单片机mp3播放器 下载积分:1分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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随着数字编解码技术及压缩技术的发展,语音文件也向着高压缩比、高保真的方向发展。本文介绍了基于STM32微处理器的MP3播放器的设计方法,实现了从SD卡中读取音乐文件数据,再将读取的数据流进行软件解码,最后通过音频信号输出驱动耳机实现音乐播放功能。并在液晶屏上显示音乐的实时播放状态,通过OLED的人机交换界面实现音乐的播放、停止、声音增大、减小等功能模式,使得在如今新鲜招数层出不穷的MP3市场更有竞争力。

With the development of digital coding and decoding technology and compression technology, voice files are also developing in the direction of high compression ratio and high fidelity. This paper introduces the design method of MP3 player based on STM32 microprocessor. It realizes reading music file data from SD card, decoding the read data stream by software, and driving earphone through audio signal output to realize music playing function. The real-time playing state of music is displayed on the LCD screen. The functions of music playing, stopping, increasing and decreasing are realized through the man-machine interface of TFT touch screen. Make the market of MP3 more competitive in the endless new tricks nowadays.

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1606216453基于STM32单片机的多功能MP3播放器设计及实现.pdf 8M

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