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The Impact of Speech-Irrelevant Head Movements on Speech Intelligibility in Multi-Talker Environments

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The Coordinate Response Measure corpus was used to measure how extraneous head movements affect speech intelligibility in a simulated cocktail party situation in which two, four, or six concurrent talkers were spatialized over headphones using virtual 3D audio. In two conditions, participants oscillated their head along the yaw axis, aided by a visual target tracking task. In one condition, the changes in the spatial location of the talkers were compensated for (i.e., the talkers were world-fixed) while in the other there was no such compensation (i.e., the talkers were head-fixed). In an additional baseline condition, participants did not move their heads. The results show that extraneous head movements do not impair speech intelligibility in a cocktail party situation.
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Document Type: Short Communication

Publication date: November 1, 2019

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  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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