Spatial audio's progression from delta stereophony to techniques like DBAP, VBAP, MDAP, and Ambisonic panning, also including Wave Field Synthesis (WFS) with its extensive multi-loudspeaker arrays, has focused on achieving precise spatialization over large listening areas. This listening experiment evaluates localization errors and apparent source width of audio objects rendered with NESS algorithm (distance-based amplitude and delay panning) within a 200-seat amphitheatre. Factors such as loudspeaker setup, source and listener positions, and audio stimulus types were analysed. Results indicate a strong correlation between perceived and predicted source directions using the extended energy vector model; however, the model's predictions for apparent source width were less consistent. These outcomes highlight the model's utility and suggest further refinement for source width estimation.

Authors: Jacquet, Damien; Dominguez, Johana; Petiot, Jean-François
Affiliations: Arbane Groupe, Bouguenais, France; Ecole Centrale de Nantes, LS2N, UMR CNRS 6004, 44321 Nantes, Franc; Arbane Groupe, Bouguenais, France(See document for exact affiliation information.)
AES Conference: AES 2024 International Conference on Acoustics & Sound Reinforcement (January 2024)
Paper Number: 15
Publication Date: January 23, 2024 Import into BibTeX
Subject: Acoustics & Sound Reinforcment
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=22359

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