An interventional study of S0N0 and S0N500 in Hearing Loss, Cochlear, sponsored by Oticon Medical. Withdrawn. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2025-08-03.
Sponsored by Oticon Medical · Not applicable, Interventional, and Basic science
The aim of the study is to evaluate the interaural time difference (ITD) benefit in patients with bilateral cochlear implants and to assess speech performance in noisy conditions compared to normal hearing listeners. Half of participants are bilateral cochlear implants users, while the other are normal hearing listeners.
Listening in noisy environments is part of everyday life, it is based on binaural phenomena such as spatial localization.
371 studies on the registry are indexed under Hearing Loss, Sensorineural; 112 are open to participants now.
Browse Hearing Loss, Sensorineural studies →Oticon Medical is the lead sponsor of 45 studies on the registry; 6 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Exclusion Criteria:
Other: S0N0 · Other: S0N500 · Other: S-500N500 · Other: S0N1000 · Other: S0Nuncorr
Other: S0N0 · Other: S0N500 · Other: S-500N500 · Other: S0N1000 · Other: S0Nuncorr
(no ITD)
(ITD +500µs on noise)
(ITD -500µs on signal and +500 µs on noise)
(ITD + 1000 µs on noise)
(no ITD cue, with uncorrelated stimulation frame)
speech reception threshold (SRT) in bilateral cochlear implant user with ITD cue
SRT is used as an outcome measure to quantify the acuity for speech perception in noise with Interaural Time Difference between the two ears. Signal recognition in a background noise is assessed the following conditions S0N0, S0N500, S0N1000, S-500N500 et S0Nuncorr. The noise level is constant at 65 dB SPL, the signal level is modified in the adaptive procedure in order to converge towards a score of 50% of correct response.
Time frame: day 0
speech reception threshold (SRT) in bilateral cochlear implant user without ITD cue and in normal hearing listeners
SRT is used as an outcome measure to quantify the acuity for speech perception in noise without Interaural Time Difference between the two ears.
Time frame: day 0
ITD sensitivity in bilateral cochlear implant user
Speech signal and noise are presented at 65dB SPL. Participant adjusts the Interaural Time Difference between the speech signal and noise between -1000 and +1000µs. Participant moves the cursor on the interface until he/she hears a difference in sound.
Time frame: day 0
Preferred jitter in bilateral cochlear implant user
Speech signal and noise are presented at 65dB SPL. Participant adjusts the jitter of the train pulse timing from 0 to +1000µs to improve the Interaural Time Difference.
Time frame: day 0
No study locations are listed for this record.
Plan to share: No
This study is withdrawn, as verified in Jul 2025. You cannot join it, but the record below documents what was studied.
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