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In this clinical trial, an un-controlled, repeated measures open design with within-subject comparison will be used to evaluate the effect of Naída Link M90 hearing aid and Naída CI M90 sound processor on sound perception. This design was shown to be successful in previous studies for the evaluation of sound coding strategies. Furthermore, a within-subject comparison decreases the variance in the results allowing for fewer subjects when the population that uses the investigational device is not large in general.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Bilateral users | Experimental | two implant systemswith two sound processors |
|
| Bimodal user | Experimental | with one sound processor and one hearing aid |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Naída CI M90 Sound Processor (hearing aid and cochlea implant sound processor) | Device | Speech perception measures, Hearing thresholds, Enjoyment rating, Sound identification, Subjective feedback |
| Measure | Description | Time Frame |
|---|---|---|
| Difference in speech perception in noise with AutoSense OS on Naída M hearing devices and AutoSound OS on the clinically available Naída Q hearing devices | Difference in speech reception threshold of 50% speech understanding which is the signal to noise ratio in Decibel [dB] to understand 50% of the target speech between AutoSense OS on Naída M hearing devices and AutoSound OS on the clinically available Naída Q hearing devices. | 6 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Differences in speech perception in noise threshold measured in Decibel [dB] | Differences are compared between AutoSense OS on Naída M hearing devices and the omnidirectional microphone setting on Naída Q hearing devices. Min and Max values are -10dB and +10dB, whereas the smalller the value the better | 6 weeks |
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Inclusion Criteria:
CI users with a CII, HiRes90K (Advantage) or HiRes Ultra implant system
Minimum of 18 years of age
Minimum of six months experience with their implant system
Minimum of six months experience with the Naída CI Q-Series sound processor
Ability to give feedback on sound quality
Speech intelligibility with the HSM sentence test in noise at 10 dB SNR > 10% as obtained during previous visits in the clinical routine
Fluent in German language
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Medizinische Hochschule Hannover (MHH) | Hanover | Lower Saxony | 30625 | Germany |
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| ID | Term |
|---|---|
| D006319 | Hearing Loss, Sensorineural |
| ID | Term |
|---|---|
| D034381 | Hearing Loss |
| D006311 | Hearing Disorders |
| D004427 | Ear Diseases |
| D010038 | Otorhinolaryngologic Diseases |
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| ID | Term |
|---|---|
| D006310 | Hearing Aids |
| ID | Term |
|---|---|
| D000076251 | Wearable Electronic Devices |
| D055615 | Electrical Equipment and Supplies |
| D004864 | Equipment and Supplies |
| D012682 | Sensory Aids |
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comparision of different conditions with-in subject. (10 bimodal, 10 bilateral CI users)
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| Differences in speech perception in quiet threshold measured in Decibel [dB] |
Differences are compared between AutoSense OS on Naída M hearing devices and AutoSound OS on Naída Q hearing devices and the omnidirectional microphone setting on Naída Q hearing devices. Min and Max values are -10dB and +10dB, whereas the smalller the value the better |
| 6 weeks |
| Differences in mono/stereo identification measured in % correct | Differences are compared between mono and stereo free-field presentation, mono and stereo streaming presentation, stereo free-field and stereo streaming presentation, mono free-field and mono streaming presentation, differences in music enjoyment ratings measured in rating score | 6 weeks |
| Differences in speech understanding in noise measured in % correct | Differences are compared between AutoZoomControl on Naída M hearing devices and the omnidirectional microphone setting on Naída Q hearing devices | 6 weeks |
| Differences in music enjoyment ratings measured in rating score | Differences are compared between
| 6 weeks |
| D012678 |
| Sensation Disorders |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |