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1、基于语音识别技术的智能家居控制系统的设计基于语音辨认技术的智能家居控制系统的设计摘要21世纪经济快速发展,人们对物资文化的需求也愈来愈高。在信息科技的支持下,事物在朝着简单化、便捷化、智能化的方向发展。在此背景下应运而生而生的智能家居,正是信息时期的典型产物。本文设计了1套基于语音辨认技术的智能家居控制系统,能够在客户端输入语音信号,完成对家居装备的控制,使得家居装备更加智能化。本文首先对语音辨认的相干理论知识进行了详细的论述,利用麻省理工学院(MassachusettsInstituteofTechnology,MIT)语音服务器完成
2、对语音信号的特点提取和辨认进程,并且该服务器内有自动的高频噪声滤波器,避免声音信号产生失真现象。其次Zigbee模块完成了数据传输的功能,能够在网络拓扑较为稳定的家居环境中实现对数据的传输,消耗的功率下降,本钱也较低。最后基于安卓手机到达控制家具的目的,在手机客户端输入语音信号以后,服务器将翻译出来的语音信息传递给后台,由手机通过无线网络传递给家居装备,从而到达传递控制指令的目的。最后本文在测试阶段对本文设计的基于语音辨认技术的智能家居控制系统进行了性能测试,测试结果良好,能够到达预期的目标。关键词:智能家居;语音辨认;控制系统Abst
3、ractWiththerapiddevelopmentoftheeconomyinthe21stcentury,people'sdemandformaterialcultureisalsoincreasing.Withthesupportofinformationtechnology,thingsaredevelopinginthedirectionofsimplification,convenienceandintelligence.Thesmarthomethatemergedinthiscontextisatypicalprodu
4、ctoftheinformationage.Thispaperdesignsasmarthomecontrolsystembasedonspeechrecognitiontechnology,whichcaninputvoicesignalsontheclientandcompletethecontrolofhomeequipment,makingthehomeequipmentmoreintelligent.Inthispaper,therelatedtheoreticalknowledgeofspeechrecognitionise
5、laboratedindetail.ThefeatureextractionandrecognitionprocessofspeechsignaliscompletedbyMITspeechserver,andthereisanautomatichigh-frequencynoisefilterintheservertopreventdistortionofthesoundsignal.Secondly,theZigbeemodulecompletesthefunctionofdatatransmission,andcanrealize
6、datatransmissioninahomeenvironmentwithstablenetworktopology,whichconsumeslesspowerandlowercost.Finally,basedonthepurposeofcontrollingthefurniturebytheAndroidmobilephone,afterthemobilephoneclientinputsthevoicesignal,theservertransmitsthetranslatedvoiceinformationtotheback
7、ground,andthemobilephonetransmitsthemobilephonetothehomedevicethroughthewirelessnetwork,therebyachievingthepurposeoftransmittingthecontrolinstruction.Finally,inthetestphase,theperformanceofthesmarthomecontrolsystembasedonspeechrecognitiontechnologydesignedinthispaperiste
8、sted.Thetestresultsaregoodandcanachievetheexpectedgoals.Keywords:SmartHome;SpeechRecognition;ControlSys