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Progressively curved line-source arrays became state of the art in large-scale sound reinforcement as they are flexibly adapted to the listening area by well-chosen splay angles between individual elements in the chain of line-source loudspeakers. In cinema-sized sound reinforcement, point-source loudspeaker setups are still common, despite maybe difficult to adjust to designs targets suggested by current literature: 0 dB per doubling of the distance for ideally preserved direct sound mix, ?3 dB per doubling of the distance for ideally preserved envelopment. To explore how much practical benefit lies in pursuing these targets with smaller line arrays, this paper presents the open design for a miniature line array with 3D printed enclosure. Moreover, measured free field frequency responses, distortion, and directvity are discussed for an individual prototype element, and of the entire line array the coverage over distance is discussed for two target designs using a purely curved or curved and delayed array.
Author (s): Gölles, Lukas;
Zotter, Franz;
Merkel, Leon;
Affiliation:
Institute of Electronic Music and Acoustics, Graz, Austria; University of Music and Performing Arts, Graz, Austria; Institute of Electronic Music and Acoustics, Graz, Austria; University of Music and Performing Arts, Graz, Austria; University of Music and Performing Arts, Graz, Austria; Graz, University of Technology, Austria
(See document for exact affiliation information.)
Publication Date:
2023-08-06
Session subject:
Paper
DOI:

Gölles, Lukas; Zotter, Franz; Merkel, Leon; 2023; Miniature Line Array for Immersive Sound Reinforcement [PDF]; Institute of Electronic Music and Acoustics, Graz, Austria; University of Music and Performing Arts, Graz, Austria; Institute of Electronic Music and Acoustics, Graz, Austria; University of Music and Performing Arts, Graz, Austria; University of Music and Performing Arts, Graz, Austria; Graz, University of Technology, Austria; Paper 62; Available from: https://aes.org/publications/elibrary-page/?id=22156
Gölles, Lukas; Zotter, Franz; Merkel, Leon; Miniature Line Array for Immersive Sound Reinforcement [PDF]; Institute of Electronic Music and Acoustics, Graz, Austria; University of Music and Performing Arts, Graz, Austria; Institute of Electronic Music and Acoustics, Graz, Austria; University of Music and Performing Arts, Graz, Austria; University of Music and Performing Arts, Graz, Austria; Graz, University of Technology, Austria; Paper 62; 2023 Available: https://aes.org/publications/elibrary-page/?id=22156
@inproceedings{Gölles2023miniature,
title={{Miniature Line Array for Immersive Sound Reinforcement}},
author={Gölles, Lukas and Zotter, Franz and Merkel, Leon},
year={2023},
month={aug},
booktitle={Journal of the Audio Engineering Society},
publisher={Paper 62; AES Conference: AES 2023 International Conference on Spatial and Immersive Audio; August 2023},
number={62},
organization={AES},
}
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