目的探讨电声门图（EGG）在临床上应用的可能性。
Objective To study the possibility of clinical application of electroglottography(EGG).
目的比较嗓音声学分析和电声门图在嗓音障碍客观评估中的意义。
Objective To compare the reliability of acoustic measure and the electroglottograph in evaluation of the voice dysphonia.
干预：利用电声门图对120例正常人在胸声区以不同音频发音进行检测。
INTERVENTIONS: The pronunciation with different audio frequency at thoracic sound area of 120 normal subjects were examined by EGG.
目的比较分析手术前后电声门图参数变化，评价甲状软骨成形术治疗男声女调的疗效。
Objective To evaluate the therapeutic effects of thyroplasty on cases with falsetto through a comparison of EGG parameters before and after operation.
目的：探索汉族、纳西族、白族正常儿童嗓音声学和电声门图参数正常值及三者间差异。
To explore the normal vocal acoustic parameters and electroglottographic (EGG) parameters and their differences in normal children of the Han , the Naxi, the Bai nationality .
方法：参照电声门图的研究方法，利用16个特征点，运用数学分析，建立声带振动波形图分析方法及量化分析公式。
Methods: Refering to the method of electronic glottis graph and mathematics analysis, using 16 characteristic dots, an analysis method and quantitative analysis formula are established.
方法：参照电声门图的研究方法，利用16个特征点，运用数学分析，建立声带振动波形图分析方法及量化分析公式。
Methods: Refering to the method of electronic glottis graph and mathematics analysis, using 16 characteristic dots, an analysis method and quantitative analysis formula are established.
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