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Efficacy of a hearing accessibility app and a digital remote microphone system in speech recognition in noise and listening effort in individuals with sensorineural hearing loss: clinical, randomized, double-blind trial

Grant number: 22/15774-0
Support Opportunities:Regular Research Grants
Duration: November 01, 2023 - October 31, 2025
Field of knowledge:Health Sciences - Speech Therapy
Principal Investigator:Regina Tangerino de Souza Jacob
Grantee:Regina Tangerino de Souza Jacob
Host Institution: Faculdade de Odontologia de Bauru (FOB). Universidade de São Paulo (USP). Bauru , SP, Brazil
Associated researchers:Adriane Lima Mortari Moret ; Natália Barreto Frederigue Lopes


This study aims to analyze the impact of a hearing accessibility application and a digital microphone system on speech perception in noise for hearing aid users. This is a randomized, double-blind clinical study. 120 patients regularly enrolled at the Audiology and Speech Therapy Clinic at FOB-USP, hearing aid users, will be evaluated in three test situations: with and a digital microphone system turned on and off, and with the hearing accessibility application connected to the hearing aids. The Hearing in Noise Test Brazil (HINT) will be applied with a fixed signal-to-noise ratio of -10dBSNR, and a satisfaction questionnaire. Statistical analysis of the data will be performed using the Wilcoxon test for the HINT, and the paired T-test for the satisfaction questionnaire. (AU)

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