基于PWM和STM32的语音录放设计  

Design of Audio Player System Based on PWM and STM32

作　　者：李力 谢云[1] 赵龙辉 陈奕辉 林诗柔 Li Li;Xie Yun;Zhao Longhui;Chen Yihui;Lin Shirou(School of Automation,Guangdong University of Technology,Guangzhou 510000,China)

机构地区：[1]广东工业大学自动化学院,广州510000

出　　处：《单片机与嵌入式系统应用》2020年第4期83-86,共4页Microcontrollers & Embedded Systems

基　　金：广东省自然科学基金(2016A030313706)。

摘　　要：针对智能产品对语音播放的需求和现有系统存在的问题,提出一种基于PCM的语音录放设计。设计采用STM32F103RCT6作为主控单元,微控制器直接读取PCM格式的音频数据,通过PWM方式实现音频的播放。该设计能够实现语音录放的功能,输出内容灵活可调,具有一定的应用价值。According to the demands of intellectual products and the problems of existing system,a design of voice playback system based on Pulse Code Modulation(PCM)is designed.The main control unit uses the STM32F103RCT6.The PCM file can be directly read,and play audio through PWM modulation.The designed system can realize the expected functions of voice playing,and the content of voice can change by yourself,and has value for application.

关 键 词：PCM PWM 微控制器 音频播放 STM32F103RCT6 

分 类 号：TN92[电子电信—通信与信息系统]