2022年第46卷第10期20语音技术oiceTechnologyV文献引用格式:贺伟.基于HHT的声纹信号检测识别智能评教系统设计[J].电声技术,2022,46(10):20-23.HEW.DesignofintelligentteachingevaluationsystemforvoiceprintsignaldetectionandrecognitionbasedonHHT[J].AudioEngineering,2022,46(10):20-23.中图分类号:TN912.3文献标识码:ADOI:10.16311/j.audioe.2022.10.006基于HHT的声纹信号检测识别智能评教系统设计贺伟(河南城建学院电气与控制工程学院,河南平顶山467036)摘要:教师是课堂的主导者。对教师进行教学评教,关乎知识传授和教师能力提升。对此,以希尔伯特黄变换(Hilbert-HuangTransformation,HHT)对授课教师声纹特征进行处理分析,完成身份确认,再与传统教学评价方法相结合,从而实现复杂的教学活动量化。充分运用现代信号处理技术和人工智能,将信息化手段与课堂教学评价相结合,建立有利于学生成才和教师成长的科学化教学评价模式。关键词:教学;评教;声纹DesignofIntelligentTeachingEvaluationSystemforVoiceprintSignalDetectionandRecognitionBasedonHHTHEWei(SchoolofElectricalandControlEngineering,HenanUniversityofUrbanConstruction,Pingdingshan467036,China)Abstract:Teachersarethedominantplayersintheclassroom.Teachingevaluationofteachersisrelatedtoknowledgetransferandteacherabilityimprovement.Inthispaper,Hilbert-HuangTransformation(HHT)isusedtoprocessandanalyzethecharacteristicsofteachers'voiceprint,completeidentityidentification,andthencombinedwithtraditionalteachingevaluationmethods,soastorealizethequantificationofcomplexteachingactivities.Thispapermakesfulluseofmodernsignalprocessingtechnologyandartificialintelligence,combinesinformationmeanswithclassroomteachingevaluation,andestablishesascientificteachingevaluationmodelwhichisconducivetostudents'successandteachers'growth.Keywords:teaching;assessment;voiceprint0引言现有的语言教学评价往往基于评价专家的主观经验予以定性,或借助评价量表和工具,用人工手动采样的方式,在语言教学进程中记录数据予以定量。这种形式要么是经验性的,难免流于主观;要么是机械的,难免流于形式。随着信息技术的迅猛发展,完全可以设计出更加科学、智能的工具与技术,用以识别课堂教学进程中的师生语...