Hearing Study: Sensitivity to Features of Speech Sounds



Status:Not yet recruiting
Conditions:Other Indications, Other Indications
Therapuetic Areas:Other
Healthy:No
Age Range:18 - 80
Updated:2/28/2019
Start Date:March 15, 2019
End Date:November 30, 2023
Contact:Laurel H Carney
Email:laurel.carney@rochester.edu
Phone:5852763948

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Trial Summary
Trial Overview
Inclusion Criteria

Auditory Processing of Complex Sounds - Sensitivity to Chirps

The purpose of this study is to better understand the sensitivity of listeners to the fast
changes in frequency or amplitude of sounds that occur in speech. The investigators are
studying ways to manipulate these aspects of sounds in an effort to make speech sounds more
clear.

The investigators will test listeners with normal hearing or with mild or moderate hearing
loss. Tests will first focus on sensitivity to changes in fast changes in amplitude
(loudness) or frequency (pitch) in sounds. Then the investigators will test the
intelligibility of synthetic vowels and syllables in which these "chirps" are manipulated.
Finally, the investigators will test intelligibility of words in noise while manipulating
sounds in an effort to improve clarity.

Inclusion Criteria:

- Normal hearing, mild or moderate symmetric sensorineural hearing loss.

Exclusion Criteria:

- Asymmetric hearing thresholds (more than 15 decibels (dB) threshold difference between
the two ears at any frequency up to 4 kHz).

- Severe hearing loss (greater than 60 dB hearing thresholds at any frequency up to 4
kHz).
We found this trial at
1
site
University of Rochester
60 Crittenden Blvd # 70
Rochester, New York 14642
(585) 275-2121
Phone: 585-276-3948
University of Rochester The University of Rochester is one of the country's top-tier research universities....
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from
Rochester, NY
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