Psychophysics, fitting, and signal processing for combined hearing aid and cochlear implant stimulation
Loading...
Date
2013-11
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Lippincott Williams & Wilkins
Abstract
The addition of acoustic stimulation to electric stimulation via a cochlear
implant has been shown to be advantageous for speech perception
in noise, sound quality, music perception, and sound source localization.
However, the signal processing and fitting procedures of current
cochlear implants and hearing aids were developed independently, precluding
several potential advantages of bimodal stimulation, such as
improved sound source localization and binaural unmasking of speech
in noise. While there is a large and increasing population of implantees
who use a hearing aid, there are currently no generally accepted fitting
methods for this configuration. It is not practical to fit current commercial
devices to achieve optimal binaural loudness balance or optimal binaural
cue transmission for arbitrary signals and levels. There are several
promising experimental signal processing systems specifically designed
for bimodal stimulation. In this article, basic psychophysical studies with
electric acoustic stimulation are reviewed, along with the current state
of the art in fitting, and experimental signal processing techniques for
electric acoustic stimulation.
Description
Keywords
Psychophysics, Cochlear Implant, Hearing Aid, Electrical Stimulation
Citation
Francart, T. & McDermott, H.J. Psychophysics, fitting and signal processing for combined hearing aid and cochlear implant stimulation, Ear and Hearing 34(6), 685-700, 2013.