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Ph.D. Students

Eriksholm Research Centre’s team of multi-talented professionals is dedicated to identifying and demonstrating new opportunities within audiology, signal processing and behavioural science. Ph.D. students contributes greatly to our overall scientific advancement. Meet some of them here

Meet our current Ph.D. students

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Benjamin Johansen

Cognitive Systems Section at DTU Compute, Technical University of Denmark, Denmark

Personal information

Hey, I’m Benjamin and hold a MSc. Eng. degree in Design & Innovation from the Technical University of Denmark. I’m currently a PhD student at Cognitive Systems section at DTU Compute. 

During my masters I specialized in User Experience (UX) in health care, cognitive interfaces and Human-Machine Interaction.

In the PhD I’m investigating how hearing care can be personalized using various techniques. These include using wearables, hearing aids and smart phones to investigate the context of a hearing aid user. The project furthermore investigates novel interfaces to hearing aids. This combined with qualitative input and clinical experiment aims to investigate how hearing aids can be better personalized. The outcomes of this project is to investigate which parameters, wether it being related to context, physical environment, or user intents, to improve the user (and sound) experience in hearing aids.

This project is a collaboration between DTU Compute, Copenhagen Center for Health Technology (CACHET), Eriksholm Research Centre, and Oticon A/

S. The project is also sponsored by the Oticon Foundation. The collaboration in reflected by the supervisors, Jakob Eg Larsen (DTU Compute), Michael Kai Petersen (Eriksholm & DTU Compute), Niels Henrik Pontoppidan (Eriksholm) and Per Sandholm (Oticon).

A more detailed description of the project can be found here

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Antoine Favre-Felix

Hearing Systems section of the Department of Electrical Engineering, Technical University of Denmark (DTU), Denmark

Personal Information

My name is Antoine, and I am a Ph.D. Student at the Hearing Systems section of the department of Electrical Engineering at the Danish Technical University (DTU).

I hold a Master’s degree in general engineering, with a specialization in signal processing from the École Centrale de Nantes in France.

I am part of a Horizon 2020 European project: COCOHA (COgnitive COntrol of a Hearing Aid). COCOHA’s goal is to help steer a hearing aid using brain signals (EEG).

The Ph.D. project, titled “Controlling a Hearing aid by electrically assessed eye-gaze”, specifically focuses on trying to steer a hearing aid using one’s eye-gaze, retrieved thanks to in-ear electrodes that measure electrical signals originating from the eyes (EOG). One of the main obstacles to overcome to obtain an exact eye-gaze using the EOG is the issue of a baseline drift, present in all bio-electrical signals. This eye angle relative to the head will then be combined with a head-tracking system to have an absolute angle of attention. A typical application would be in helping to solve the cocktail party problem: amplifying the voice that comes from the direction the user is looking. The source separation issue is avoided by assuming the sources are obtained using remote microphones.

The project is supervised by Torsten Dau at DTU, and by Thomas Lunner and Carina Graversen at Eriksholm Research Centre

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Niclas Alexander Janssen

Hearing Systems section of the Department of Electrical Engineering, Technical University of Denmark (DTU), Denmark

Personal Information

Hi, I'm Niclas and before I started my PhD studies at the Hearing Systems Group of Denmark's Technical University, I studied Engineering Physics in Oldenburg, Germany. In my Master studies, I specialized towards biomedical Physics and Acoustics.

My PhD project is concerned with the hearing of patients who use both a cochlear implant and a contralateral hearing aid, so-called bimodal users. Specifically I investigate the question whether they can fuse the sounds from both ears into a central percept. This is also related to the abilities to localize sounds and concentrate on one sound source in difficult listening situations. The differences in the working principles and therefore sounds from hearing aids and cochlear implants might make this rather difficult for bimodal users.
I hope to understand what is necessary for them to fuse sounds and find ways to improve the devices, so that it becomes easier for them.

This project is a collaboration between Oticon, Eriksholm and DTU, reflected by the three supervisors: Dr. Søren Kamaric Riis from Oticon, Dr. Lars Bramsløw from Eriksholm and Adj. Prof. Dr. Jeremy Marozeu from DTU.

A more detailed description of the project can be found here

Meet some of our former PhD students

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Barbara Ohlenforst

Ear and Hearing section of the Department of Otolaryngology-Head and Neck Surgery, EMGO Institute for Health and Care Research, VU University Medical Centre in Amsterdam, The Netherlands

Personal Information


My name is Barbara, and I was a Ph.D. student at the Ear and Hearing section of the Department of Otolaryngology-Head and Neck Surgery, which is part of the EMGO Institute for Health and Care Research at the VU University medical centre in Amsterdam.

I hold a Master’s degree in clinical audiology and I have an engineering education in the field of Hearing Technology and Audiology. Furthermore, I have an extensive experience as a clinical audiologist developed over several years of work.

Recently, I achieved a M.Sc. in Engineering Acoustics at the Technical University of Denmark (DTU). My studies at DTU included a research project with the focus on the relationship between working memory, compressor speed and background noise characteristics. The project was carried out at the Northwestern University in Chicago (USA).

I was enrolled in a EU Marie Curie European Industrial Doctorate project based on the collaboration between VUmc Amsterdam and OTICON-Eriksholm Research Center in Denmark (http://www.eriksholm.com). The project was called "LISTening Effort in the European Population: a New innovative program of research and training" or LISTEN607373.

LISTEN607373 intended to investigate which current and new hearing aid technologies can successfully decrease listening effort required during speech perception. Several aspects of the pupil response in relation to hearing loss and hearing aid technologies will be assessed together with OTICON A/S, a leading hearing aid manufacturer. This project will be advised by Prof. Sophia Kramer and Dr. Adriana Zekveld from the Audiology department at VUmc Amsterdam and by Dr. Graham Naylor and Adj. Prof. Thomas Lunner from OTICON-Eriksholm
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Yang Wang 

Ear and Hearing section of the Department of Otolaryngology-Head and Neck Surgery, EMGO Institute for Health and Care Research, VU University Medical Centre in Amsterdam, The Netherlands

Personal Information

My name is Yang Wang, I am from Beijing China, and I am currently working as an Early Stage Researcher (ESR) under Marie Curie Initial Training Networks (ITN) program, and I was also a Ph.D. candidate at the Section Audiology, Dept. of Otolaryngology-Head and Neck Surgery and EMGO Institute.

I have a background in Electronical Engineering as I finished my undergraduate study from Beijing University of Post & Telecommunication. Then I finished my research Master's degree at University College London majoring in Speech, Language and Cognition.

From April 2014 until April 2017 I was conducting the following research:

"LISTening Effort in the European Population: a New innovative programme of research and training". An European Industrial Doctorate project collaboration between VUmc and OTICON-Eriksholm Research Center. This project was funded by EU, with project number: LISTEN 607373.

The major purpose of our study is to examine which current and new hearing aid technologies can successfully decrease listening effort required during speech perception. Specifically, the following questions are going to be answered in the end of our project:

  • What are the effects of hearing loss on speech intelligibility, the Peak Pupil Dilation response (PPD) and Pupil Light Reflex (PLR)? 
  • What is the relation between the PPD, PLR and (long-term) stress, fatigue, need for recovery from stress, and activities in daily life as assesed by questionnaires
  • What is the influence of different hearing aid technologies on speech perception and the PPD during listening?
  • What is the relation between verbal inference making, working memory, speech perception and the PPD and PLR?

As a group project in collaboration with Barbara Ohlenforst, we plan to divide some of the task mentioned above and I'm going to focus on research relevant to PLR