第25卷第2期生物医学工程学杂志Vol.25No.22008年4月JournalofBiomedicalEngineeringApril2008一种集嗓音与声门图像分析功能为一体的虚拟仪器系统设计初步3潘燕1刘燕1蔡晓岚2李桥1孟延1徐欣2孙文红1张玉华1李新1戚焰11(山东大学医学院生物医学工程研究所,济南250012)2(卫生部耳鼻喉科重点实验室,济南250012)摘要本系统是一个集嗓音声学分析、声门图像分析功能于一体的喉疾病辅助诊断系统。软件由虚拟仪器开发语言(LabWindows/CVI)编制而成的。通过仪器化的界面,实现各种操作与结果的显示。嗓音分析功能可进行声音信号的采集、存储、显示,并可提取基频(F0)、频率微扰商(FPQ)、振幅微扰商(APQ)、谐波噪声比(HNR)、频率颤动(JF)和振幅微扰(Shimmer)等声学参数及,还可进行三维声图分析;声门图像分析功能可进行声带振动图像的静相、动相显示或帧图像冻结显示;可任意截取具有临床诊断价值的图像进行观察和存储;并可对帧图像进行声门长度、声门面积、声带面积、病变大小等参数的提取分析。关键词虚拟仪器嗓音声学分析声门图像分析中图分类号R767192文献标识码A文章编号100125515(2008)0220291204PreliminaryDesignforaVISystemCombiningtheVoiceAcousticAnalyzingandGlottalImageAnalyzingPanYan1LiuYan1CaiXiaolan2LiQiao1MengYan1XuXin2SunWenhong1ZhangYuhua1LiXin1QiYan11(DepartmentofBiomedicalEngineering,MedicalSchool,ShandongUniversity,Jinan250012,China)2(KeyLaboratoryofOtolaryngology,MinistryofHealth,Jinan250012,China)AbstractThisworkisdirectedatdevelopingavirtualinstrumentsystemasanaccessorialdiagnosticinstrumentforlaryngealdiseases.ProgrammedwithLabWindows/CVI,thesystemcombinesthevoiceacousticanalyzingfunctionwiththeglottalimagemeasuringfunction.Thevoiceacousticanalyzingsystemcansample,storeandreplayvocalsignals;canextractandanalyzeparameters,includingfundamentalfrequency(F0),frequencyperturbationquotient(FPQ),amplitudeperturbationquotient(APQ),harmonics2to2noiseratio(HNR),jitterfrequency(JF),Shimmer;andcando3Dsoundgraphanalysis.Theglottalimageanalyzingsystemcansampleandstoretheimageobservedbythelaryngostroboscope;candis2playanyphaseinonecycleofthevibrationofthevocalcordsoraslowandcontinuousmovementofvibratingvocalcords;cansnapandsavethediagnosticframeofimage;andcanextracttheparametersoftheimagesuchasthelengthandareaoftheglottis,thelengthandareaofthevocalcordsandthediseasedpart.KeywordsVirtualinstrument(VI)VoiceacousticanalyzingGlottalimageanalyzing仅提高了喉疾病的诊断水平,同时也在喉疾病的治1前言疗和预后的评估中发挥着重要作用。目前,临床上随着电子技术与计算机技术的发展,多种喉疾各种诊断设备是相互独立的,诊断须借助多种检查病辅助诊断系统不断推向临床,如嗓音分析、电声门的结果,不仅加重了患者的负担同时也使诊断的时图