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- W2001607488 endingPage "1290" @default.
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- W2001607488 abstract "Head-related transfer functions (HRTFs) play an important role in spatial sound localization. The boundary element method (BEM) can be applied to calculate HRTFs from non-contact visual scans. Because of high computational complexity, HRTF simulations with BEM for the whole head and pinnae have only been performed for frequencies below 10 kHz. In this study, the fast multipole method (FMM) is coupled with BEM to simulate HRTFs for a wide frequency range. The basic approach of the FMM and its implementation are described. A mesh with over 70 000 elements was used to calculate HRTFs for one subject. With this mesh, the method allowed to calculate HRTFs for frequencies up to 35 kHz. Comparison to acoustically-measured HRTFs has been performed for frequencies up to 16 kHz, showing a good congruence below 7 kHz. Simulations with an additional shoulder mesh improved the congruence in the vertical direction. Reduction in the mesh size by 5% resulted in a substantially-worse representation of spectral cues. The effects of temperature and mesh perturbation were negligible. The FMM appears to be a promising approach for HRTF simulations. Further limitations and potential advantages of the FMM-coupled BEM are discussed." @default.
- W2001607488 created "2016-06-24" @default.
- W2001607488 creator A5033273187 @default.
- W2001607488 creator A5036000585 @default.
- W2001607488 creator A5067968218 @default.
- W2001607488 date "2009-09-01" @default.
- W2001607488 modified "2023-10-16" @default.
- W2001607488 title "Fast multipole boundary element method to calculate head-related transfer functions for a wide frequency range" @default.
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- W2001607488 doi "https://doi.org/10.1121/1.3177264" @default.
- W2001607488 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/3061451" @default.
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- W2001607488 hasPublicationYear "2009" @default.
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