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HörTech, Hearing Centre and the Cluster of Excellence Hearing4all present themselves jointly at the EUHA 2021

Press release, Oldenburg, 1. September 2021
HörTech and Hörzentrum Oldenburg gGmbH and the Cluster of Excellence Hearing4all will present current research results and user-oriented applications for hearing acoustics and the hearing aid industry at the 65th International Congress of Hearing Aid Acousticians from 15 to 17 September in Hanover. The three partners are closely interlinked in the development chain. Starting with basic university research and demonstrators, audiological software products are developed by HörTech gGmbH as a transfer organisation. Hörzentrum Oldenburg gGmbH provides audiological evidence and customer orientation in this innovation process.

Product highlights:

ACALES: More than speech intelligibility
The ACALES measurement method makes it possible to measure the mental 'listening load' or listening effort that a person has to expend in order to understand speech in noise. This is an additional dimension to speech intelligibility. With the help of ACALES, the client assesses both everyday and challenging listening situations. Furthermore, the subjective added value of comfort features, such as noise algorithms or directional microphones, can be measured. The tool is ideally suited to support the selection process in the counselling interview.

Matrix tests available for more than 60% of the world population
Hearing care professionals can now offer their clients modern speech audiometry in 20 different languages - in quiet and in noise. Matrix tests reproduce everyday situations in which whole sentences have to be understood in noise. In addition, they are a very accurate measuring instrument. Therefore, they are an excellent way to test the performance of hearing aids in realistic situations and to show differences between different devices.örakustiker*innen können mittlerweile ihren Kunden moderne Speech Audiometry in 20 verschiedenen Sprachen anbieten - in Ruhe und im Störgeräusch. Matrix tests reproduce everyday situations in which entire sentences must be understood in noise. In addition, they are a very accurate measurement tool. Therefore, they are an excellent way to test the performance of hearing aids in realistic situations and to show differences between different devices.

News from the research workshop

Experience-oriented fitting - the toolbox for virtual acoustics - brings reality into the lab
The development of hearing aid algorithms is guided by the question of optimal hearing support for the affected person in complex acoustic situations. Experience-oriented hearing instrument fitting offers the possibility of simulating moving sources in realistic rooms and can take into account user interactions at the same time. In this way, for example, an everyday experience fitting can be carried out directly in the specialist shop or the individual hearing aid benefit can be determined.

Exciting lectures in our scientific lecture program at the booth complement the trade fair presence of HörTech, the Hearing Center and the Cluster of Excellence Hearing4all

Official lectures in the EUHA lecture program

16. September 2021 15:00 Uhr – 15:30 Uhr</strong
Melanie Krüger M. Sc.: Verbesserung des räumlichen Sprachverstehens von Alltagssätzen im Störgeräusch durch eine Hörgerätversorgung

We look forward to seeing you at stand 612!
Contact on site:
Tom Kutzner
Phone: +49 (0) 157 77 020 148

Editorial note:

HörTech gGmbH was founded in 2001 as a competence centre for hearing aid system technology by Hörzentrum Oldenburg gGmbH and the University of Oldenburg. The aim of the non-profit organisation is to promote science and research and to gain new methods and knowledge in the field of hearing. The institute, which originally emerged from a nationwide competition organised by the German Federal Ministry of Education and Research, now enjoys international recognition and carries out highly regarded basic research into improving hearing aid technology. The staff at HörTech are looking for new ways to better adapt hearing aids to the individual needs of their wearers, as well as methods to facilitate the rehabilitation of hearing-impaired people. The latest findings in audiology and digital signal processing are combined for the scientific work. Further information at

Hörzentrum Oldenburg gGmbH is a leading company in the field of application-oriented audiological research and hearing system evaluation in Germany. The goal of the hearing centre is to improve hearing diagnostics and rehabilitation for hearing-impaired people. As an internationally renowned high-tech service provider, the interdisciplinary team of the Hearing Centre Oldenburg evaluates and optimises new hearing systems and audio technology. Another focus of activity is research into psychoacoustic effects on behalf of industry and public institutions. Furthermore, the hearing centre is a competent contact for hearing-impaired people and offers sales-independent hearing aid consultations. The Oldenburg Hearing Centre operates the "House of Hearing", which houses the most important institutions of hearing research in Oldenburg, including HörTech gGmbH and the Fraunhofer project group "Hearing, Speech and Audio Technologies".

The goal of the "Hearing4all" cluster of excellence is literally "hearing for all". By improving individualised hearing diagnostics and the subsequent provision of personal hearing aids, the scientists want to decisively improve the communication situation of those affected. In this context, basic model-based work on the diagnosis and auditory profile of people with normal to profound hearing is carried out in order to achieve a better understanding of individual hearing. In addition, these models are used to improve the individual provision of technical hearing aids and to optimise them according to the respective situation. The consortium is led by the Carl von Ossietzky University Oldenburg. In addition to the Hannover Medical School and Leibniz Universität Hannover, the Competence Centre HörTech, the Jade University of Applied Sciences and Arts, the Hearing Centres Hannover and Oldenburg, the Department of Hearing, Speech and Audio Technology of the Fraunhofer IDMT, the Fraunhofer ITEM, the Laser Zentrum Hannover e.V. and the Hanse-Wissenschaftskolleg Delmenhorst are also involved in the Cluster of Excellence.

Press contact
Hörzentrum Oldenburg GmbH & HörTech gGmbH
Dr. Corinna Pelz
Tel: (0441) 21 72 - 214
E - Mail:

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