Neurosensory modeling of signal detection in comodulated noise

Many everyday sounds are comodulated: they have common amplitude modulations in different frequency regions. Often, comodulated sounds hamper the detection of relevant sounds, thus acting as maskers. Signal detection in comodulated noise has been examined with two experimental paradigms, comodulation masking release (CMR) and comodulation detection difference (CDD). The present dissertation is concerned with modeling the processes underlying these experiments on a neurosensory basis. Models are derived which are based on neurophysiological knowledge of the auditory system. The aim of the present work is to focus on parsimonious models which preferably cover a wide range of experiments and which can be examined mostly with analytical methods. By thoroughly examining these models the contributions of different peripheral sensory mechanisms to the abovementioned comodulation effects can be estimated.

Level thesis:degree_level

thesis.doctoral

Grantor dc:publisher

Universität Oldenburg

Year

2007

Author dc:creator

• Buschermöhle, Michael

• [Keine Schlagwörter von Autor/in vergeben.]

Repository record source_url

http://oops.uni-oldenburg.de/14

OAI identifier oai:identifier

oai:oops.uni-oldenburg.de:14