Effects of Nonlinear Signal Processing Algorithms on Speech Perception

Withdrawn before enrolling · Not applicable

Conditions studied: Speech, Hearing Loss, Sensorineural, Hearing Aids

In brief

The purpose of this study is to investigate the effect of nonlinear signal processing algorithms on speech perception.

Key facts

Study ID

NCT05954520

Run by

Indiana University

People needed

0

Starts

2023-08-01

Expected to finish

2025-06-09

Last updated by the study team

2025-06-12

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Between the ages of 18 and 65
• Native speaker of English
• Have bilateral, symmetric sensorineural hearing loss that is less than 75 decibels (dB) Hearing Level (HL) at 1000 Hz and below.

You may not qualify if…

• Subjects with normal hearing, mixed hearing loss, or asymmetric sensorineural hearing loss.
• Subjects who younger than 18 or older than 65.
• Subjects who are not native speakers of English.
• Subjects with thresholds more than 70 dB HL at 2000 Hz and below

Where it is running

• Health Sciences Building — Bloomington, Indiana, United States

Full record on ClinicalTrials.gov

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