Methods Video-stroboscopy was used to reveal the laryngeal cavity and dynamic changes of the vocal fold, and sound spectrograph was used to examine audio frequency, pitch and width.
方法用频闪喉镜显示患者喉腔全貌和声
态变
，用声
仪检测并记录患者发声频率、音调和音域。
Methods Video-stroboscopy was used to reveal the laryngeal cavity and dynamic changes of the vocal fold, and sound spectrograph was used to examine audio frequency, pitch and width.
方法用频闪喉镜显示患者喉腔全貌和声态变，用声仪检测并记录患者发声频率、音调和音域。
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