The role of diffusive architectural surfaces on auditory spatial discrimination in performance venues
- Authors
- Robinson, Philip W.; Patynen, Jukka; Lokki, Tapio; Jang, Hyung Suk; Jeon, Jin Yong; Xiang, Ning
- Issue Date
- Jun-2013
- Publisher
- ACOUSTICAL SOC AMER AMER INST PHYSICS
- Citation
- JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, v.133, no.6, pp.3940 - 3950
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
- Volume
- 133
- Number
- 6
- Start Page
- 3940
- End Page
- 3950
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/162653
- DOI
- 10.1121/1.4803846
- ISSN
- 0001-4966
- Abstract
- In musical or theatrical performance, some venues allow listeners to individually localize and segregate individual performers, while others produce a well blended ensemble sound. The room acoustic conditions that make this possible, and the psycho-acoustic effects at work are not fully understood. This research utilizes auralizations from measured and simulated performance venues to investigate spatial discrimination of multiple acoustic sources in rooms. Signals were generated from measurements taken in a small theater, and listeners in the audience area were asked to distinguish pairs of speech sources on stage with various spatial separations. This experiment was repeated with the proscenium splay walls treated to be flat, diffusive, or absorptive. Similar experiments were conducted in a simulated hall, utilizing 11 early reflections with various characteristics, and measured late reverberation. The experiments reveal that discriminating the lateral arrangement of two sources is possible at narrower separation angles when reflections come from flat or absorptive rather than diffusive surfaces.
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