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Unmasking the effects of masking on performance: The potential of multiple-voice masking in the office environment

M. Keus Van De Poll ; Johannes Carlsson (Institutionen för bygg- och miljöteknik, Teknisk akustik, Rumsakustik) ; J. E. Marsh ; R. Ljung ; J. Odelius ; S. J. Schlittmeier ; G. Sundin ; P. Sörqvist
Journal of the Acoustical Society of America (0001-4966). Vol. 138 (2015), 2, p. 807-816.
[Artikel, refereegranskad vetenskaplig]

Broadband noise is often used as a masking sound to combat the negative consequences of background speech on performance in open-plan offices. As office workers generally dislike broadband noise, it is important to find alternatives that are more appreciated while being at least not less effective. The purpose of experiment 1 was to compare broadband noise with two alternatives - multiple voices and water waves - in the context of a serial short-term memory task. A single voice impaired memory in comparison with silence, but when the single voice was masked with multiple voices, performance was on level with silence. Experiment 2 explored the benefits of multiple-voice masking in more detail (by comparing one voice, three voices, five voices, and seven voices) in the context of word processed writing (arguably a more office-relevant task). Performance (i.e., writing fluency) increased linearly from worst performance in the one-voice condition to best performance in the seven-voice condition. Psychological mechanisms underpinning these effects are discussed.

Denna post skapades 2015-09-16. Senast ändrad 2015-12-16.
CPL Pubid: 222569


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Institutioner (Chalmers)

Institutionen för bygg- och miljöteknik, Teknisk akustik, Rumsakustik (2005-2017)



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