NCT02303210

Evaluation of Frequency Lowering Technique

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 30 (actual)
• Sponsor: Phonak AG, Switzerland · Industry
• Sex: All
• Age: 18 Years
• Healthy volunteers: Not accepted

Summary

The purpose of this study is to examine two frequency lowering techniques in case of audibility, recognition, distinction, discriminability and sound quality.

Detailed description

This is a controlled, single blinded and randomised comparative study which is conducted monocentric at Hoerzentrum Oldenburg, Germany. The focus is to test two frequency lowering techniques with an amount of 30 moderate to severe, symmetrically sensorineural hearing impaired adult subjects. The subjects, all of them native German speakers, individually conduct a number of laboratory standard tests and home trials (questionnaires) during 6 months including seven appointments of 2 hours.

Conditions

• Hearing Loss

Interventions

Type	Name	Description
DEVICE	hearing aid NaidaUP	Standard Power Hearing instruments including different frequency lowering techniques
DEVICE	hearing aid NaidaSP	Standard Power Hearing instruments including different frequency lowering techniques

Timeline

• Start date: 2014-12-01
• Primary completion: 2015-03-01
• Completion: 2015-03-01
• First posted: 2014-11-27
• Last updated: 2017-09-25

Locations

1 site across 1 country: Germany