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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1109/TVCG.2020.2973059
|2 doi
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|a eng
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| 100 |
1 |
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|a Geronazzo, Michele
|e verfasserin
|4 aut
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| 245 |
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|a Superhuman Hearing - Virtual Prototyping of Artificial Hearing
|b a Case Study on Interactions and Acoustic Beamforming
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|c 2020
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 01.04.2021
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|a Date Revised 01.04.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Directivity and gain in microphone array systems for hearing aids or hearable devices allow users to acoustically enhance the information of a source of interest. This source is usually positioned directly in front. This feature is called acoustic beamforming. The current study aimed to improve users' interactions with beamforming via a virtual prototyping approach in immersive virtual environments (VEs). Eighteen participants took part in experimental sessions composed of a calibration procedure and a selective auditory attention voice-pairing task. Eight concurrent speakers were placed in an anechoic environment in two virtual reality (VR) scenarios. The scenarios were a purely virtual scenario and a realistic 360° audio-visual recording. Participants were asked to find an individual optimal parameterization for three different virtual beamformers: (i) head-guided, (ii) eye gaze-guided, and (iii) a novel interaction technique called dual beamformer, where head-guided is combined with an additional hand-guided beamformer. None of the participants were able to complete the task without a virtual beamformer (i.e., in normal hearing condition) due to the high complexity introduced by the experimental design. However, participants were able to correctly pair all speakers using all three proposed interaction metaphors. Providing superhuman hearing abilities in the form of a dual acoustic beamformer guided by head and hand movements resulted in statistically significant improvements in terms of pairing time, suggesting the task-relevance of interacting with multiple points of interests
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Vieira, Luis S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nilsson, Niels Christian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Udesen, Jesper
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Serafin, Stefania
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on visualization and computer graphics
|d 1996
|g 26(2020), 5 vom: 12. Mai, Seite 1912-1922
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|x 1941-0506
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|g volume:26
|g year:2020
|g number:5
|g day:12
|g month:05
|g pages:1912-1922
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|u http://dx.doi.org/10.1109/TVCG.2020.2973059
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