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3D Perceptual Soundfield Reconstruction via Virtual Microphone Synthesis
Date
2023-01-01
Author
Erdem, Ege
Cvetkovic, Zoran
Hacıhabiboğlu, Hüseyin
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Perceptual soundfield reconstruction (PSR) is a multichannel audio recording and reproduction framework based on time-intensity panning in the horizontal plane. A practical limitation of PSR is that the optimal directivity patterns required by the system cannot be trivially and precisely obtained in practice, and it is limited to the horizontal plane. This paper extends the horizontal PSR to three dimensions and proposes a virtual microphone synthesis approach to obtain the PSR directivity pattern via sound field extrapolation. The proposed 3D extension and virtual microphone synthesis are evaluated using numerical simulations and a subjective localisation test. Comparisons with second-order Ambisonics rendering indicate that subjects localise sources rendered using 3D PSR more accurately and also with a higher certainty, particularly at an off-centre listening position for the low-channel count reproduction system employed.
Subject Keywords
sound field extrapolation
,
Sound field reconstruction
,
spherical harmonics
,
spherical microphone arrays
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85151489973&origin=inward
https://hdl.handle.net/11511/102989
Journal
IEEE/ACM Transactions on Audio Speech and Language Processing
DOI
https://doi.org/10.1109/taslp.2023.3260703
Collections
Graduate School of Informatics, Article
Citation Formats
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BibTeX
E. Erdem, Z. Cvetkovic, and H. Hacıhabiboğlu, “3D Perceptual Soundfield Reconstruction via Virtual Microphone Synthesis,”
IEEE/ACM Transactions on Audio Speech and Language Processing
, vol. 31, pp. 1305–1317, 2023, Accessed: 00, 2023. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85151489973&origin=inward.