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  • Title: Perceptual-Auditory and Acoustical Analysis of the Voices of Transgender Women.
    Author: Schwarz K, Fontanari AMV, Costa AB, Soll BMB, da Silva DC, de Sá Villas-Bôas AP, Cielo CA, Bastilha GR, Ribeiro VV, Dorfman MEKY, Lobato MIR.
    Journal: J Voice; 2018 Sep; 32(5):602-608. PubMed ID: 28965663.
    Abstract:
    Voice is an important gender marker in the transition process as a transgender individual accepts a new gender identity. The objectives of this study were to describe and relate aspects of a perceptual-auditory analysis and the fundamental frequency (F0) of male-to-female (MtF) transsexual individuals. A case-control study was carried out with individuals aged 19-52 years who attended the Gender Identity Program of the Hospital de Clínicas of Porto Alegre. Vocal recordings from the MtF transgender and cisgender individuals (vowel /a:/ and six phrases of Consensus Auditory Perceptual Evaluation Voice [CAPE-V]) were edited and randomly coded before storage in a Dropbox folder. The voices (vowel /a:/) were analyzed by consensus on the same day by two judge speech therapists who had more than 10 years of experience in the voice area using the GRBASI perceptual-auditory vocal evaluation scale. Acoustic analysis of the voices was performed using the advanced Multi-Dimensional Voice Program software. The resonance focus and the degrees of masculinity and femininity for each voice recording were determined by listening to the CAPE-V phrases, for the same judges. There were significant differences between the groups regarding a greater frequency of subjects with F0 between 80 and 150 Hz (P = 0.003), and a greater frequency of hypernasal resonant focus (P < 0.001) in the MtF cases and greater frequency of subjects with absence of roughness (P = 0.031) in the control group. The MtF group of individuals showed altered vertical resonant focus, more masculine voices, and lower fundamental frequencies. The control group showed a significant absence of roughness.
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