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时间:2017-09-21
《电话自动录音系统的设计数信学院电子信息(doc毕设论文)》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、目录摘要····································································································I1设计目的和要求1.1设计目的······················································································11.2设计要求···································································
2、···················12设计原理2.1电话自动录音系统的概况·································································22.2相关芯片原理················································································22.3录音系统原理·············································································
3、···43设计内容3.1电话录音系统概述································································53.2方案设计·······································································53.3器件选型················································································63.4系统设计······················
4、··························································63.5软件设计················································································7总结与致谢·····································································12参考文献······················································
5、····································13附录一原理图··········································································14摘要电话自动录音系统是可以附加在通常的电话通信网之上,作为电话通信的附属终端设备,和电话机一起为用户提供电话通信功能。该系统和电话机并联在用户电话线上,当有电话呼入时,如果用户在规定时间内摘机应答,则录音系统不起任何作用;如果用户在规定时间内未摘机应答,则录音系统自动摘机,并向主叫用户给出如“请在信号音后留言”等语音提示
6、,并对主机用户录音。当有新录音时,能给出明显的指示。本设计做的是一个电话自动录音系统,设计中介绍了以单片机为微处理器的电话自动录音系统,给出了硬件框图和程序流图,电话自动录音系统特别适用于家庭和办公室。关键词:单片机;电话录音;语音芯片;自动答录1设计目的和要求1.1设计目的通过设计一个电话自动录音系统,时期能在用户不在时及时收录来电留言,以方便工作生活。通过这次设计与专业知识相联系,提高对专业的了解与掌握。1.2设计要求本设计要求实现一个能电话自动录音系统。该系统可以附加在通常的电话通信网之上,作为电话通信的附属终端设备,和电话机一起为用户提供电话通信功
7、能。该系统和电话机并联在用户电话线上,当有电话呼入时,如果用户在规定时间内摘机应答,则录音系统不起任何作用;如果用户在规定时间内未摘机应答,则录音系统自动摘机,并向主叫用户给出如“请在信号音后留言”等语音提示,并对主机用户录音。当有新录音时,要给出明显的指示,如指示灯、液晶显示器显示汉字提示等。用户可以方便的管理录音,可浏览、播放、删除录音。1.根据已知参数对输入信号特征进行分析、需求分析,选择确定处理器型号、语音电路芯片型号,完成处理基本电路、语音电路、自动摘挂机电路、键盘电路、显示电路等硬件设计。2.基本教学要求:每人一台计算机,计算机安装Protel
8、、程序开发环境等软件。2设计原理2.1电话自动录音系统的概况语音处
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