Virtual Acoustic Localization Experiment

Not Applicable

Completed

• Conditions: Hearing Loss
• Interventions: Other: Oldenburger sentence test, localization test

• Registration Number: NCT02602171
• Lead Sponsor: University of Zurich

Brief Summary

The present study has the evaluation of a test to measure the localization performance goal . It is about the perception of danger audio signals in everyday listening environments nearby which are reproduced in controlled laboratory conditions. In addition, a dereverberation algorithm regarding speech intelligibility and localization ability is evaluated . The research hypothesis is that the dereverberation of the audio signals can improve speech intelligibility for both normal hearing and hearing-impaired persons. In addition, the binaural dereverberation algorithm should not affect the localization ability in everyday situations.

Detailed Description

Not available

Study Timeline

• Study Start: 2015-04
• Study First Submitted: 2015-11-04
• Study First Submitted QC: 2015-11-09
• Study First Posted: 2015-11-11
• Primary Completion: 2015-12
• Study Completion: 2015-12
• Status Verified: 2017-10
• Last Update Submitted: 2017-10-31
• Last Update Posted: 2017-11-01

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 20

Inclusion Criteria

• adults , in general healthy (no diagnosis of dementia and/or stroke known), mother tongue: (swiss) german, normal hearing or with hearing aid wearers both sides or with CI support on both sides, symmetrical hearing loss

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Exclusion Criteria

• deviation of inclusion criteria, known fluctuating, rapidly progressive hearing loss, test person is not able to come one time a week to the University Hospital of Zurich or to handle 1-2 hours appointments or is not able to use touchscreen

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
reverberation condition	Oldenburger sentence test, localization test	Oldenburger Sentence test, localization test
dereverberation condition	Oldenburger sentence test, localization test	Oldenburger Sentence test, localization test

Primary Outcome Measures

Name	Time	Method
Oldenburger sentence test and localization test with 30 subjects	1 day	The impact of a dereverberation algorithm for hearing aids and / or cochlear implants will be checked

Secondary Outcome Measures

Name	Time	Method
Differences in localization ability	1 day	By VALE (localization test) can differences in the localization ability between normal hearing and hearing-impaired people be measured