120
Participants
Start Date
March 29, 2024
Primary Completion Date
June 30, 2026
Study Completion Date
June 30, 2026
Participants were tested for hearing using a new type of hearing detection device
Participants' hearing was tested using a portable audiometry device (E200) based on active noise-cancelling headphones, manufactured by Wuhan Doulisten Technology Co., LTD
Participants' hearing was tested using a new portable pure tone audiometry device
Participants' hearing was tested using a portable audiometry device (E200) based on active noise-cancelling headphones, manufactured by Wuhan Doulisten Technology Co., LTD
RECRUITING
The First Affiliated Hospital of the Air Force Medical University, Xi’an
Wuhan Douting Technology Co., Ltd
UNKNOWN
Xijing Hospital
OTHER