基于51单片机的音乐播放器设计外文翻译

基于51单片机的音乐播放器设计外文翻译精品文档精品文档，可以编辑修改，等待你的下载，管理，教育文档基于51单片机的音乐播放器设计原文:Author:Bobbrownsources:theSCM”Abstract:themusicplayeristouseSTC89C51SCMcombininginternaltimingsystemanddigitaltubedisplaydesignasimplemicrocomputermusicbox.Thispaperanalyzesthemusicplayerbasedon51singlechiphardwarecircuitandsoftwaredesignofthespecificprocessincludingdataprocessingproceduredesign,displaysubrouOnedesignfinallybasedonthesimulationprocessmeetphenomenonwascarriedontheconcreteanalysisanddescription.Keywords:player;SCM;STC89C51Alongwiththehorizontalexaltationinpeoplephysicallife,peoplepaymoreandmoreattentiontothespirituallifesatisfaction,keentoseekhappinessinconsumptionandentertainmentexperience.Musicasahumanentertainmentlifeimportantelements,hasbeenallconcern.Buthumansintotheindustrialsocietysince,willmusicplayandindustrialproductscombinedwithdevelopedaseriesofmusicplayproducts,andwiththeinnovationoftechnologyandcustomers'demandschangeconstantlyupdated,forhumanentertainmentlifeprovidesfashionconvenienceitems.Beforetwoyearsfashionmodeling,smallportable,freedownloadsongspopularMP3playeristomakemusicplayproductunprecedentedprosperity.Butintheprosperity,themainstreammusicplayproductsMP3playerinthemodelandthedesignofthesystemseemstobeintoabottleneck,newproductsandoldproductsthanjustthefirmwareupdateandhardwarealternating,andnocontentandessenceofthejump,thereforeinthesamewithportablesexualcharacteristicsandmusicplayfunctionofmusiccellphoneappeared,MP30riginalfunctionaladvantagesofnolonger,themarketandthenbequicklyextrusion,status,receivedanunprecedentedthreat.Throughoutthehistoryofmusicplayproducts,andeachtimethemusicplayproductinnovationsareconceptbreakthroughortheideaoftheresultofinnovation.Asfromtheradiotorecordmachinerealizedthelisteningmodefrom"passivelisteningto"to"independentchoice"change,fromrecordmachinetorealizetheWalkmanfixedtoaportableleap.Therefore,howtoinconcept,theconceptofinnovationandbreakthrough,findthemusicplayproductsnewdevelopmentdirection,toadapttothenewdemandofconsumers,itiscurrentproductdesignersurgentneedtoresolveproblems.Firstly,thispaperreviewsthehistoryofmusicplayproducts,andanalysisofthecurrentmusicplayproductsituation,thispaperproposesanewconceptfortheimportanceofbreakthroughpoint;Secondly,basedonthecurrenteconomicenvironmentandsocialgroupenvironmentanalysis,aswellasthemusicindustrydevelopmentpresentsituationandtrendanalysis,itsumsupthecurrentconsumerdemandtrend;Finally,accordingtothesummaryoftheconsumptiondemandandmarketsomeexistingmusicplayproductguidance,putsforwardthefuturemusicplayproductthedevelopmentdirectionandthecorrespondingsomeideaconcept.STC89C51microcontrollerdesignamusicplayerthroughthesinglechipmicrocomputermusicplayersystemdesignandresearch,tobemasteredSCMrelatedknowledgeisofimportanttheoreticalandpracticalsignificance.Thecurriculumdesignofthemusicplayeris精品文档，可以编辑修改，等待你的下载，管理，教育文档精品文档精品文档，可以编辑修改，等待你的下载，管理，教育文档thecombinationofsoftwareandhardware,differentnotesformofexpressionisdifferentfrequencytovoice.ThroughasinglechipmicrocomputerSTC89C51producedifferentfrequencypulsesignal,throughtheamplificationcircuit,bythebuzzerrelease,heproducedawonderfulharmonybeautifulmovingmusic.Accordingtothethythmofthescaleisgivenfortime,finallyrealizesthefunctionofplaysimplesongs.Forbetterlifeforthepeopleprovidesreliable,respect,cheapmethod.STC89C51single-chipmicrocomputerascorehardwarecontrolunit,combinedwithtriodeasamplifier,digitaltubeconstituteatypicaldisplaycircuit,keyasinputpartandotherperipheralequipmentcompositionofmusicbroadcastsystem.Accordingtothemusicplayingcontrollertoachievethedisplayandselectsandmusicproducefunctionprinciple,systemincludingplayspeaker,selects,playedanddisplayafewparts.Amongthem,thebuttonAGAINwithopenplaytunesandrepeatplaythetunefunction,FORMkeyhasplayedasongbeforeworkcan,NEXTbuttonhasplayedasongafterthefunction,RESkeyhasplayedbeforethefunctionofasong.Thedesignmusicplayercanplaymanyfirstmusic,songscanchoosebythekeyboardcontrol,andthroughthedisplaymakeitsdisplaysongsserialnumber.Designofthemusicplayingcontrolleristhroughthecontrolofsinglechipmicrocomputerinternaltimertoproducedifferentfrequencysquarewave,drivespeakerdifferentsyllablevoice,andthendelaytocontrolthelengthoftimethepronunciation,i.e.,thecontrollingtoneofthebeat.Atthesametimesetbuttontomakethedesignprocesscanbeinthreetofoursongsbetweenperformers,designdisplaymakeitsdisplaysongsserialnumber.Withthetraditionalmechanicalmusicboxthansmaller,morebeautifultimbreandcanplaychordmusic.Electronicmusicboxisthesourceofpowerbatteries,simplemanufacturingprocess,canbeconductedbatchproduction,socheap.BasedonSCMmakeelectronicmusicbox,controlpowerful,canaccordingtoneedtochoosesongs,easytouse.Accordingtothesizeofthestoragecapacity,canbeasmanystoresongs.Inaddition,candesignlightsappearanceeffect,makethemusicboxfunctionmorench.ThisdesignisSTC89C51chipcircuitasthefoundation,externalandplaybackequipment,soastorealizemusicplayingcontrollerhardwarecircuit,throughthesoftwareprogramtocontroltheMCUinternaltimermakeitplaybeautifulmovingmusic.TheusercanchooseaccordingtooneselfbefondofmusicandtranslateintomachinecodeinSCMstorage.Fordifferenttypesofsinglechipmicrocomputeronlyneedthecorrespondingchangeofaddresscan.Thesoftwareandhardwaresystemhastheverygoodgeneralityandhighpracticalvalueinuse,forthemajorityofSCMandmusicloverstoprovideagoodreference.Usingkeyswitchtoplayoutdifferentmusic.Thespeakersendsoutthemusic,theuseoffivekey,twousedtoswitchsong,ausedtostart,ausedtostop,theotherisareset.Withprotel99setodesignthecircuitdiagram.Songcanoptionalwrittenintomusicbox.Duetothesongsofmemoryisbigger,single-chipmicrocomputermemorysmall,willbetwopiecesofMCUusedtogether,bothcancommunication.Digitaltubedisplaythecurrentbroadcastiswhichsong.Thechart,acknowledgmentsandreferencedocumentshavelost(seetheoriginal).翻译:基于51单片机的音乐播放器设计精品文档，可以编辑修改，等待你的下载，管理，教育文档精品文档精品文档，可以编辑修改，等待你的下载，管理，教育文档作者:Bobbrown来源：《SCM》摘要:本音乐播放器是利用STC89C51单片机结合内部定时系统及数码管显示设计一个简易的微电脑音乐盒。本文分析了基于51单片机的音乐播放器的硬件电路和软件的设计的具体过程包括数据处理子程序的设计、显示子程序的设计最后针对仿真过程遇到的现象进行了具体的分析与说明。关键词:播放:单片机:STC89C51随着人们物质生活水平的提高，人们越来越注重精神生活的满足，热衷于在消费中寻求快乐和娱乐体验。音乐作为人类娱乐生活的重要组成元素，一直以来都备受关注。而人类进入工业社会以来，将音乐播放与工业产品结合发展出了一系列的音乐播放产品，并随着技术的革新和消费者需求的变化而不断更新，为人类的娱乐生活提供了时尚便利的道具。前两年造型时尚、小巧便携、可免费下载歌曲的MP3播放器的流行更是使音乐播放产品空前繁荣。但是在繁荣过后，主流音乐播放产品MP3播放器在造型和系统的设计上似乎走进了一个瓶颈，新产品和旧产品比起来只是固件上的更新和硬件的更迭，而没有内容和实质的跳跃，因此在同样具有便携性特点和音乐播放功能的音乐手机出现的时候，MP3原有的功能优势不再，市场继而被迅速挤压，地位收到空前的威胁。纵观音乐播放产品的发展史，每一次音乐播放产品的革新都是概念的突破或理念的创新的结果。如从收音机到唱片机实现了收听方式从“被动收听”到“自主选择”的变革，从唱片机到Walkman实现了固定到便携的飞跃。因此，如何在理念上、概念上进行创新和突破，找到音乐播放产品的新发展方向，适应消费者的新需求，是目前产品设计师急需解决的问题。本文首先简单回顾了音乐播放产品发展史，并分析了目前音乐播放产品现状，提出寻找新概念突破点的重要性:其次，通过对当前经济环境和社会群体环境的分析，以及目前音乐产业的发展现状和趋势的分析，从中总结出当前消费者的消费需求趋势:最后，根据总结的消费需求和市场现有的一些音乐播放产品的引导，提出未来音乐播放产品的发展方向以及相应的一些概念设想。STC89C51单片机设计的一个音乐播放器通过单片机音乐播放器系统设计和研究，对于切实掌握单片机相关知识具有重要的理论和实际意义。这次课程设计的音乐播放器是软件和硬件的结合，不同音符表现形式就是不同频率地声音。通STC89C51过单片机产生不同的频率的脉冲信号，通过放大电路，由蜂鸣器放出，就产生了美妙和谐优美动听的乐曲。根据节拍给出该音阶持续的时间，最终实现播放简单歌曲的功能。为人们生活的改善提供了可靠，方面，廉价的方法。单片机STC89C51作为硬件核心控制部件，结合三极管作为放大器，数码管构成典型的显示电路，按键作为输入部分以及其他外围设备组成的音乐播放系统。根据音乐演奏控制器所要实现的显示与选曲及音乐产生功能原理，系统包括演奏扬声器、选曲、播放和显示几部分。其中，AGAIN按键具有开启播放曲子和重复播放当前曲子的功能，FORM按键具有播放前