Optimization of an adaptive algorithm in a complex system


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Greater Copenhagen area

A hearing aid is a complex system, which employs various techniques, to amplify the target sound and to improve the life quality of hearing impaired people. In the recent years, a large part of the techniques used in hearing aids lies in the digital domain, where various digital signal processing algorithms enhances the sound experience for the hearing impaired.

 The signal processing algorithms in a hearing aid system can generally be divided into the following categories

1. Hearing loss compensation system, which calculates gain and amplifies the input signal.

2. Noise reduction and directionality system, which aims to remove the noise from the target signal.

3. Feedback management system, which is the focus of this project.

The main purpose of this master project is to investigate methods for optimizing an adaptive feedback canceller and assess the quality of the solution.


statistics, signal processing

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Technical University of Denmark

For almost two centuries DTU, Technical University of Denmark, has been dedicated to fulfilling the vision of H.C. Ørsted – the father of electromagnetism – who founded the university in 1829 to develop and create value using the natural sciences and the technical sciences to benefit society.

Today, DTU is ranked as one of the foremost technical universities in Europe, continues to set new records in the number of publications, and persistently increases and develops our partnerships with industry, and assignments accomplished by DTU’s public sector consultancy.

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