Fraunhofer Institute for Digital Media Technology IDMTWhat are the characteristics of a good sound? Why are some noises annoying, while others indicate that a product is functioning reliably? Can a vacuum cleaner sound powerful even though it is quiet? Psychoacoustics sets out to provide answers to these questions. For this purpose, research is conducted into the physical factors that influence the subjective perceived sound quality. In order to describe and predict the quality of sounds, the Fraunhofer research scientists work in close cooperation with the scientists conducting fundamental research at the Carl von Ossietzsky University of Oldenburg to develop computer models that simulate the hearing perception of normal and impaired hearing. The scientists develop application-specific evaluation measurements for sound parameters such as loudness, speech intelligibility, roughness or annoyance.
Objective evaluation of sound quality
Psychoacoustic evaluation parameters allow reliable determination of how variations in product characteristics affect sound quality.
© Fraunhofer IDMT/Daniel Schmidt
Hearing Perception and Sound Quality
Range of Services
- Computer-based, psychoacoustic evaluation of sound quality and speech intelligibility
- Perception models for different sound parameters
- Studies for subjective evaluation of speech and sound quality with persons with normal and impaired hearing from all age groups as well as so-called expert hearers
YourSound – Your sound, in every situation
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The newly developed audio software from Fraunhofer IDMT in Oldenburg enables individual sound settings without having to deal with complex sub-menus or parameters.
»YourSound« enables users of audio devices, such as infotainment systems, to playfully adjust audio to their own acoustic preferences – even without knowledge of levels or frequencies.