语音录放系统的设计与实现  

Design and Implementation of Voice Recording and Playing System

作　　者：杨皓宇 李智慧 景光铮 刘旭 王若桐 YANG Hao-yu;LI Zhi-hui;JING Guang-zheng;LIU Xu;WANG Ruo-tong(Shenyang Aerospace University College of Electronical and Information Engineering,Shenyang Liaoning 110136)

机构地区：[1]沈阳航空航天大学电子信息工程学院

出　　处：《数字技术与应用》2019年第7期136-138,共3页Digital Technology & Application

摘　　要：随着人类科学技术的发展,人们对于语音录放系统存储的工具也在不断改变,其中发展最好的是数字语音录放系统。本文主要介绍数字化语音录放系统的工作方式及其原理,其原理就是单片机控制系统的各种模块实现语音录放的功能,利用语音录放电路和A/D、D/A转换电路来实现语音信号的保存与还原的任务,并通过运放电路和喇叭将声音播放出来,进而达到记录和播放语音的目的。With the development of human science and technology,people's storage tools for voice recording and playback systems are constantly changing,among which the best development is digital voice recording and playback systems.This paper mainly introduces the working mode and principle of digital voice recording and playback system.The principle is that various modules of single-chip computer control system can realize voice recording and playback function.The voice recording and playback circuit and A/D,D/A conversion circuit are used to realize the task of voice signal preservation and restoration,and the voice is broadcast through OP-AMP circuit and loudspeaker,and then achieve the purpose of recording and playing voice.

关 键 词：语音录放 单片机 数字电路 A/D、D/A转换 

分 类 号：TP368[自动化与计算机技术—计算机系统结构]