Psychoacoustic models for speech intelligibility and loudness can be used successfully for deriving a prescriptive fitting rule specifically to high frequency hearing losses. This article describes the development of a new prescriptive fitting algorithm for high frequency hearing losses, OPEN, including a detailed rationale and supporting clinical studies.
Course created on September 21, 2008
Learning Outcomes
- As a result of this Continuing Education Activity, readers will be able to define Open Loop Gain (OLG) measurement and explain the purpose and relevance in regard to fitting open canal hearing instruments
- As a result of this Continuing Education Activity, readers will be able to describe the rationale for the development of the OPEN algorithm
- As a result of this Continuing Education Activity, readers will be able to explain the outcomes of studies of the OPEN algorithm with regard to ratings of sound quality, feedback, speech intelligibility
Reviews
75 ReviewsPresented By
Josef Chalupper
PhD
product training and coordination of clinical studies and field trials on a worldwide basis.
Dr. Chalupper received his Diploma degree in electrical engineering and information technology in 1996 and his Ph.D. degree in 2002 from the Technical University of Munich. From 1997 to 2001, he was a Member of the Technical Acoustics Group, the Institute for Man-Machine Communication and the Technical University of Munich, where he worked on psychoacoustic modeling of the normal and hearing-impaired auditory system and related applications.
Since 2001, he has been with Siemens Audiologische Technik GmbH, Erlangen, where he is concerned with research and development of fitting and signal processing algorithms for hearing aids and currently responsible for audiological product definition, product training and coordination of clinical studies and field trials on a worldwide basis.
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Robert Kasanmascheff
Robert Kasanmascheff received his Diploma degree in electrical engineering and informationtechnology in 2001 from the University of applied science Nuremberg.
Since 2001, he has been with Siemens Audiologische Technik GmbH, Erlangen, where he is concerned with research and development of fitting and signal processing algorithms for hearing aids.
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