Combined with NNE (normalized noise energy ), EGG (electroglottography ) parameters (Co-contact quotient and CI-contact index ) of 60 normalspeakers and 20 patients with unilateral vocal fold paralysis were analyzed.

• 检测60例正常人和20例单侧声带麻痹患者的EGG参数CQ、CI和声学参数NNE，并进行统计分析。