2021 IEEE International Conference on Acoustics, Speech and Signal Processing

6-11 June 2021 • Toronto, Ontario, Canada

Extracting Knowledge from Information

2021 IEEE International Conference on Acoustics, Speech and Signal Processing

6-11 June 2021 • Toronto, Ontario, Canada

Extracting Knowledge from Information
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Paper Detail

Paper IDAUD-15.2
Paper Title 3D MULTIZONE SOUNDFIELD REPRODUCTION IN A REVERBERANT ENVIRONMENT USING INTENSITY MATCHING METHOD
Authors Huanyu Zuo, Thushara Abhayapala, The Australian National University, Australia; Prasanga N. Samarasinghe, Australian National University, Australia
SessionAUD-15: Modeling, Analysis and Synthesis of Acoustic Environments 1: Soundfield Acquisition and Reproduction
LocationGather.Town
Session Time:Wednesday, 09 June, 16:30 - 17:15
Presentation Time:Wednesday, 09 June, 16:30 - 17:15
Presentation Poster
Topic Audio and Acoustic Signal Processing: [AUD-SARR] Spatial Audio Recording and Reproduction
IEEE Xplore Open Preview  Click here to view in IEEE Xplore
Abstract Sound intensity is a good predictor of human perception of sound location, which can be controlled to provide impressive direction perception to humans in soundfield reproduction systems, especially when the loudspeakers are non-uniformly distributed. However, the previous works in this field are all constrained to a single sweet spot/spatial zone. We address this challenge and propose a multizone reproduction method for 3D soundfield in a reverberant room based on intensity matching. We develop spatial sound intensity expressions in a reververant room using spherical harmonic decomposition, and build a cost function to optimize sound intensity within multiple spatial zones. Finally, simulation results showing the performance are presented.