Relative importance of dynamic acoustic cues for sound localisation during small head movements (en)

* Presenting author
Day / Time: 09.03.2023, 14:20-14:40
Room: Saal Y7
Typ: Vortrag (strukturierte Sitzung)
Abstract: Natural listening involves a constant deployment of small head movement. Spatial listening is facilitated by head movements, and many studies have focused on large but rather unnatural head movements and rotations. We conducted a series of sound-localisation experiments investigating the effects of small head movements (up to 10°) on sound localisation in order to determine the contribution of dynamic acoustic cues. The results show that even small yaw rotations provided a remarkable decrease in the front-back confusion rate, whereas pitch rotations did not show much of an effect. Furthermore, monaural spectral cues improved localisation performance even in the presence of dynamic timing cues, indicating that both cues are complementary for sound localisation. However, the localisation performance was not affected by conflicting dynamic monaural spectral cues, confirming that human listeners utilise the static monaural spectral cues in the static listening conditions, but do not rely on dynamic monaural spectral cues to localise sounds during small head movements.


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