I基于语音识别技术的智能家居控制系统的设计DesignofSmartHomeControlSystemBasedonSpeechRecognitionTechnology摘要21世纪经济快速发展，人们对物质文化的需求也越来越高。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，正是信息时代的典型产物。本文设计了一套基于语音识别技术的智能家居控制系统，能够在客户端输入语音信号，完成对家居设备的控制，使得家居设备更加智能化。本文首先对语音识别的相关理论知识进行了详细的阐述，利用麻省理工学院（MassachusettsInstituteofTechnology,MIT）语音服务器完成对语音信号的特征提取和识别过程，并且该服务器内有自动的高频噪声滤波器，防止声音信号发生失真现象。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，消耗的功率降低，成本也较低。最后基于安卓手机达到控制家具的目的，在手机客户端输入语音信号之后，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设备，从而达到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识别技术的智能家居控制系统进行了性能测试，测试结果良好，能够达到预期的目标。关键词：智能家居；语音识别；控制系统IIAbstractWiththerapiddevelopmentoftheeconomyinthe21stcentury,people'sdemandformaterialcultureisalsoincreasing.Withthesupportofinformationtechnology,thingsaredevelopinginthedirectionofsimplification,convenienceandintelligence.Thesmarthomethatemergedinthiscontextisatypicalproductoftheinformationage.Thispaperdesignsasmarthomecontrolsystembasedonspeechrecognitiontechnology,whichcaninputvoicesignalsontheclientandcompletethecontrolofhomeequipment,makingthehomeequipmentmoreintelligent.Inthispaper,therelatedtheoreticalknowledgeofspeechrecognitioniselaboratedindetail.ThefeatureextractionandrecognitionprocessofspeechsignaliscompletedbyMITspeechserver,andthereisanautomatichigh-frequencynoisefilterintheservertopreventdistortionofthesoundsignal.Secondly,theZigbeemodulecompletesthefunctionofdatatransmission,andcanrealizedatatransmissioninahomeenvironmentwithstablenetworktopology,whichconsumeslesspowerandlowercost.Finally,basedonthepurposeofcontrollingthefurniturebytheAndroidmobilephone,afterthemobilephoneclientinputsthevoicesignal,theservertransmitsthetranslatedvoiceinformationtothebackground,andthemobilephonetransmitsthemobilephonetothehomedevicethroughthewirelessnetwork,therebyachievingthepurposeoftransmittingthecontrolinstruction.Finally,inthetestphase,theperformanceofthesmarthomecontrolsystembasedonspeechrecognitiontechnologydesignedinthispaperistested.Thetestresultsaregoodandcanachievetheexpectedgoals.Keywords:SmartHome;SpeechRecognition;ControlSystemIII目录1绪论.................................................................................................................................................11.1课题研究背景.........................................................................................................................11.2国内外发展现状.....................................................................................................................11.3研究内容.................................................................................................................................22相关理论基础...................................................................................................................................32.1语音识别理论................................................................................
