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Improving Spatial Perception and Speech Understanding in Multitalker Mixtures

Sponsor: Boston University Charles River Campus • ClinicalTrials.gov ID: NCT05260307

Registry updated: 2026-09-28

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Description

The purpose of this study is to investigate several approaches for improving spatial perception and speech intelligibility in multitalker listening situations for hearing-aid users. The hypotheses are that spatial perception and speech intelligibility will be improved by (1) increased high-frequency audibility, (2) speech envelope enhancement, and/or (3) appropriate sound image externalization.

Interventions

hearing aid condition (Other)
The intervention will be a hearing aid or a modification to the sound stimulus that simulates a hearing aid configuration, style, or processing strategy.

Eligibility criteria

Inclusion Criteria: Normal-Hearing Subjects * 18 to 35 years of age * Audiometric thresholds that do not exceed 20 dB HL at any frequency from 250 to 8000 Hz * Able to provide informed consent and understand experimental instructions * Normal or corrected-to-normal vision Inclusion Criteria: Hearing-Impaired Subjects * 18 to 80 years of age * Documented sensorineural hearing loss * Able to provide informed consent and understand experimental instructions * Normal or corrected-to-normal vision Exclusion Criteria (some experiments) * Non-native speakers of English

Conditions

Hearing Loss

Locations

Boston University — Boston, Massachusetts, United States

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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

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