Correction: Wendt, F.; et al. Auditory Distance Control Using a Variable-Directivity Loudspeaker. Appl. Sci. 2017, 7, 666

Florian Wendt; Franz Zotter; Matthias Frank; Robert Höldrich

doi:10.3390/app7111174

,

and

School of Institute of Electronic Music and Acoustics, University of Music and Performing Arts Graz, Inffeldgasse 10/III, 8010 Graz, Austria

^*

Author to whom correspondence should be addressed.

Appl. Sci.2017, 7(11), 1174;https://doi.org/10.3390/app7111174

This article belongs to the Special Issue Spatial Audio

Version Notes

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We, the authors, wish to make the following corrections to our paper [1]. We found that the directionally smoothed beampatterns, shown in the original Figure 11, are misleading or wrong. The new Figure 11 shows the directivity beampatterns with all spatial aliasing in the achievable resolution of our measurements. The new Figure 11 and its caption is shown below:

Figure 11. Horizontal cross-section through measured frequency-dependent beampatterns of the IKO normalized by the half-octave smoothed magnitude of the loudest direction in A^*₁ = C₁. Decibel values are color coded over frequency in Hertz and azimuth angle in degree.

The authors would like to apologize for any inconvenience caused. The change does not affect the scientific results. The manuscript will be updated and the original will remain online on the article webpage.

Reference

Wendt, F.; Zotter, F.; Frank, M.; Höldrich, R. Auditory Distance Control Using a Variable-Directivity Loudspeaker. Appl. Sci. 2017, 7, 666. [Google Scholar] [CrossRef]

© 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

Correction: Wendt, F.; et al. Auditory Distance Control Using a Variable-Directivity Loudspeaker. Appl. Sci. 2017, 7, 666

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