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Loudspeaker beamformers such as commercial sound bars can be used to produce narrow beams of sound that mainly reach the listener on distinct reflection paths or the direct path in the room. What happens if such variable directivity loudspeakers create two simultaneous beams of sounds with the same signal, each of which pointing to another acoustic path in the room? What is the resulting perceived direction of such a phantom source, and how do changes of time and level differences in the signal pair affect the result? This paper investigates these questions by a listening experiment that employs an auralized 3rd order source.
Author (s): Zagala, Franck; Linke, Julian; Zotter, Franz; Frank, Matthias
Affiliation:
University of Music and Performing Arts Graz, Graz, Austria; Institute of Electronic Music and Acoustics, IEM, Graz, Austria
(See document for exact affiliation information.)
AES Convention: 142
Paper Number:9805
Publication Date:
2017-05-06
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Session subject:
Sound Zones
Permalink: https://aes2.org/publications/elibrary-page/?id=18679
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Zagala, Franck; Linke, Julian; Zotter, Franz; Frank, Matthias; 2017; Amplitude Panning between Beamforming-Controlled Direct and Reflected Sound [PDF]; University of Music and Performing Arts Graz, Graz, Austria; Institute of Electronic Music and Acoustics, IEM, Graz, Austria; Paper 9805; Available from: https://aes2.org/publications/elibrary-page/?id=18679
Zagala, Franck; Linke, Julian; Zotter, Franz; Frank, Matthias; Amplitude Panning between Beamforming-Controlled Direct and Reflected Sound [PDF]; University of Music and Performing Arts Graz, Graz, Austria; Institute of Electronic Music and Acoustics, IEM, Graz, Austria; Paper 9805; 2017 Available: https://aes2.org/publications/elibrary-page/?id=18679