Auditory salience: A study of the influence of timbre attributes using the additional singleton paradigm - Archive ouverte HAL
Proceedings/Recueil Des Communications Acta Amazonica Année : 2023

Auditory salience: A study of the influence of timbre attributes using the additional singleton paradigm

Patrick Susini
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Catherine Marquis-Favre
Nicolas Misdariis

Résumé

Attention is a set of processes that allows a listener to select certain relevant information in a sound scene and to ignore others. However, some sounds that are not relevant to process sometimes manage to capture our attention. This effect is known as salience. In the present study, the influence of two timbre attributes, brightness and roughness, on the salience of a sound was investigated. To address this issue, an additional singleton paradigm was implemented to provide an indirect measure of the influence of a sound feature on its salience. We examined how performance on an auditory discrimination task was degraded in the presence of an irrelevant sound, called singleton. In a first experiment, the singleton was made brighter (higher spectral centroid) and its presence produced a behavioral cost, showing that this attribute has an effect on salience. In two following experiments, we analyzed the influence of different values of brightness on one hand, and different values of roughness (characterized by the amplitude modulation depth) on the other hand. The results confirmed that both brightness and roughness have a significant effect on salience. Moreover, the higher the spectral centroid or the amplitude modulation depth of the singleton, the higher the error rates and response times. This revealed that attentional capture modulates with variations of timbre attributes. This work opens new perspectives for the study of auditory salience and the understanding of bottom-up mechanisms that underly it.
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Dates et versions

hal-04082872 , version 1 (26-04-2023)

Identifiants

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Baptiste Bouvier, Patrick Susini, Catherine Marquis-Favre, Nicolas Misdariis. Auditory salience: A study of the influence of timbre attributes using the additional singleton paradigm. Acta Amazonica, 2023, ⟨10.5281/zenodo.6576922⟩. ⟨hal-04082872⟩

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