Assessment of a Method to Improve Cochlear Implant Users' Speech Perception in Noisy Environments While Maintaining Their Ability to Determine Where a Sound Originates From

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18+
SponsorUniversity of Illinois at Urbana-Champaign

About this trial

The goal of this clinical trial is to determine if a new algorithm can improve speech perception for cochlear implant users. The main questions it aims to answer \[is/are\]:

* Does the algorithm improve speech perception in noisy environments? * Does the algorithm allow listeners to determine where a sound is coming from?

Participants will

* Listen to and repeat sentences presented in the presence of noise * Indicate the location that sounds originated from

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Participants must have bilateral cochlear implants from Cochlear or Advanced Bionics

Disqualifiers

Non-native English speakers

Trial design

Design model

Single group

Treatments tested in this trial

  • Modifying audio input for cochlear implant processor

    Device

    Sound will be preprocessed with different beamformer algorithms and presented either through the auxiliary input port or via a streaming device to the participants' cochlear implant processor

Treatment groups

25 Participants
are divided into 1 treatment group
Group A: Speech perception and localization with different beamformersExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Percent correct scores on speech perception in noise.

The speech perception in noise test consists of lists of sentences in the presence of multi-talker babble or diffuse noise. The target location will vary across conditions. Participants will need to repeat back as much of the target sentence as they can.

Time frame
Enrollment to 9 months
2

Root mean square error for sound source localization

The localization test will involve a target speaker in the presence of multi-speaker babble or diffuse noise. The virtual location of the sound sources will be manipulated and participants will need to indicate the location of the target speaker.

Time frame
Enrollment to 9 months

Secondary outcomes

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

University of Illinois at Urbana-Champaign

Lead sponsor

National Institute on Deafness and Other Communication Disorders (NIDCD)

Collaborator

Vortant Technologies, LLC

Collaborator