AI Article Synopsis
- Individuals with normal hearing can have varying speech recognition abilities in noisy settings, which can affect their communication.
- The study aimed to create standardized measures for how well adults perceive speech in different noise conditions using the Brazilian Hearing in Noise Test.
- Results showed that speech perception was significantly poorer when noise was directly in front of the listener, highlighting the need for standardized protocols that can help detect and manage hearing issues in noisy environments.
Article Abstract
Introduction: Individuals with the same ability of speech recognition in quiet can have extremely different results in noisy environments.
Objective: To standardize speech perception in adults with normal hearing in the free field using the Brazilian Hearing in Noise Test.
Methods: Contemporary, cross-sectional cohort study. 79 adults with normal hearing and without cognitive impairment participated in the study. Lists of Hearing in Noise Test sentences were randomly in quiet, noise front, noise right, and noise left.
Results: There were no significant differences between right and left ears at all frequencies tested (paired t-1 test). Nor were significant differences observed when comparing gender and interaction between these conditions. A difference was observed among the free field positions tested, except in the situations of noise right and noise left.
Conclusion: Results of speech perception in adults with normal hearing in the free field during different listening situations in noise indicated poorer performance during the condition with noise and speech in front, i.e., 0°/0°. The values found in the standardization of the Hearing in Noise Test free field can be used as a reference in the development of protocols for tests of speech perception in noise, and for monitoring individuals with hearing impairment.
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Source |
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9442744 | PMC |
| http://dx.doi.org/10.1016/j.bjorl.2014.07.018 | DOI Listing |
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