“…As the hearing loss increases or a hearing threshold obtained with a hearing aid worsens, the voice parameters tend to be more deviated. 18 However, results from other studies that analyzed the fundamental frequency of CI 5 , 11 , 19 , 20 , 21 , 22 , 23 users are controversial. Thus, we stress the importance of knowing all aspects that may have an impact on the vocal characteristics of cochlear implant users.…”