An initial study of voice characteristics of children using two different sound coding strategies in comparison to normal hearing children

Autor(es)

Coelho, Ana Cristina ^[1] ; Brasolotto, Alcione Ghedini ^[2] ; Bevilacqua, Maria Cecilia ^[2]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, Speech Language Pathol & Audiol Grad Program, Bauru, SP - Brazil

^[2] Univ Sao Paulo, Speech Language Pathol & Audiol Dept, Bauru, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: INTERNATIONAL JOURNAL OF AUDIOLOGY; v. 54, n. 6, p. 417-423, JUN 2015.
• Citações Web of Science: 2

Resumo

Objective: To compare some perceptual and acoustic characteristics of the voices of children who use the advanced combination encoder (ACE) or fine structure processing (FSP) speech coding strategies, and to investigate whether these characteristics differ from children with normal hearing. Design: Acoustic analysis of the sustained vowel /a/ was performed using the multi-dimensional voice program (MDVP). Analyses of sequential and spontaneous speech were performed using the real time pitch. Perceptual analyses of these samples were performed using visual-analogic scales of pre-selected parameters. Study sample: Seventy-six children from three years to five years and 11 months of age participated. Twenty-eight were users of ACE, 23 were users of FSP, and 25 were children with normal hearing. Results: Although both groups with CI presented with some deviated vocal features, the users of ACE presented with voice quality more like children with normal hearing than the users of FSP. Conclusions: Sound processing of ACE appeared to provide better conditions for auditory monitoring of the voice, and consequently, for better control of the voice production. However, these findings need to be further investigated due to the lack of comparative studies published to understand exactly which attributes of sound processing are responsible for differences in performance. (AU)

• Processo FAPESP: 08/07948-1 - Efeito de diferentes estratégias de codificação dos processadores de fala na voz de crianças usuárias de implante coclear
• Beneficiário: Ana Cristina de Castro Coelho
• Modalidade de apoio: Bolsas no Brasil - Mestrado