The Competence Center HörTech aspires to an extensive improvement of the system technology of hearing instruments. Therefore, the latest knowledge about the audiology of hearing disorders, digital procedures of signal processing for hearing instruments (software) and technological innovations of the hardware in order to improve products, the fitting as well as rehabilitation strategies, are being developed. National leading representatives of all professions and institutes, involved in research, development, production and marketing of hearing-aids are coordinated to develop the system technology of a future (hi-fi) hearing instrument and to assess, optimize and realize on a long-term basis the strategies regarding treatment and rehabilitation with hearing-aids also from a socio-economical point of view.