Even advanced Far-Field systems are challenged to present convincing imagery of Near-Field auditory objects for multiple listeners. Conversely, near-field systems will not normally produce satisfying far-field image results for multiple listeners; large audiences are a problematic case. In this paper, the author discusses two primary modalities for speaker-based auditory imaging systems. Several approaches are discussed; strengths and weaknesses are characterized. A method is proposed combining advantages of two types of systems to achieve improved results in near-to-far-acoustic field (N-FAF) precision. We consider continuity of spatial dimension, with the objective of smoothly bridging what a listener perceives as “personal” audio space with “shared” audio space. We touch on authoring methods, and describe a new installation utilizing techniques discussed here.

Authors: Otto, Peter; Hamdan, Eric
Affiliation: Qualcomm Institute, University of California San Diego, San Diego, CA, USA
AES Conference: 2016 AES International Conference on Sound Field Control (July 2016)
Paper Number: 7-1
Publication Date: July 14, 2016
Subject: Emerging Techniques and Applications with Array Transducers

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