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1、******学院课程设计报告课程名称:自动化系统课程设计专业班级:学生姓名:指导教师:完成时间:报告成绩:评阅意见:评阅教师日期*****学院制摘要本设计主要解决如何方便、准确地指示乘客到站的问题,具有模拟人声进行报站和预报站,对所报站数和站名进行文字显示和站名语音信息录放及站名选择控制等功能。系统包括微控制器模块,语音录放电路,站数、站名显示模组,键盘接口电路,复位电路及电源等。系统使用51单片机来控制语音合成芯片和液晶显示模组。语音合成芯片ISD4004,采用模拟数据半导体存储器直接存储的专利技术,即将模拟语
2、音数据直接写入单个存储单元,不需经过A/D、D/A转换,因此能够较好地真实再现语音的自然效果,避免了一般固体语音电路因为量化和压缩造成的量化噪声和失真现象。配合LED点阵显示,就使得该报站系统更加实用。关键词:51单片机,LED点阵显示,语音芯片IAbstractThisdesignmainlysolvehowtoconvenientlyandaccuratelyindicatestheproblemofpassengerstation,stationhaveanalogvoicestopsandpredicti
3、on,textdisplayofstationstopsbynumberandnameandthenameofthevoiceinformationrecordingandthenameofchoice,control,andotherfunctions.Systemincludesamicrocontrollermodule,voicerecordingcircuit,stationnumber,nameofdisplaymodule,keyboardinterfacecircuit,resetcircuita
4、ndpowersupply,etc.SystemUSES51singlechipmicrocomputertocontrolthespeechsynthesischipandLCDdisplaymodule.SpeechsynthesischipISD4004,patentedtechnologyofsemiconductormemorystoragedirectlyusingdatasimulation,thesimulationofvoiceanddatadirectlyintoAsinglestorageu
5、nit,donotneedthroughA/D,D/Aconversion,thuscanreproducethevoicebetterrealnaturaleffect,avoidsthegeneralsolidvoicecircuitforquantitativeandquantitativenoiseanddistortioncausedbycompression.CooperatewiththeLEDdotmatrixdisplay,makesthepaperstationsystemmorepracti
6、cal.Keywords:51MCU,LEDdotmatrixdisplay,pronunciationchipII目录摘要.......................................................................................................................................................................IAbstract.....................
7、...........................................................................................................................................II一、设计题目................................................................................................................
8、......................................1二、设计要求..............................................................................................................................................