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Berger: Validation of a Dual-Task Paradigm to investigate Listening Effort in Speech-Shaped Noise versus Multi-Talker Babble

2021-12-17 @ 11:00 - 11:30

Listening effort is defined as the use of cognitive resources necessary to complete a task or follow a conversation. The words heard must be consciously received in order to understand, processed and further communicate. Communication is an essential part of everyday social life and is usually connected with background noise. The aim of this work is to investigate the effect of different types of noise on listening effort, by a newly developed child-appropriate dual-task paradigm. For this purpose, different noise conditions (Speech-Shaped Noise, Relevant and Irrelevant Multi-Talker Babble) are considered with a typical classroom signal-to-noise ratio of -5 dB in comparison to the noise-free condition in a listening experiment. In addition, the effect of the position of the noise source is investigated. The primary task of the dual-task paradigm consists of a „double word recognition task“, the secondary task is a „memory task“. Statistical methods are used to investigate whether listening effort increases under the noise conditions described.

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11:00 - 11:30