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Interpolation of head-related transfer functions using spherical fourier expansion |
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| Authors: | Huang Qinghua Fang Yong |
| Affiliation: | The Key Lab of Specialty Fiber Optics and Optical Access Network, Shanghai University, Shanghai 200072, China |
| Abstract: | A new interpolation algorithm for Head-Related Transfer Function (HRTF) is proposed to realize 3D sound reproduction via headphones in arbitrary spatial direction. HRTFs are modeled as a weighted sum of spherical harmonics on a spherical surface. Truncated Singular Value Decomposition (SVD) is adopted to calculate the weights of the model. The truncation number is chosen according to Frobenius norm ratio and the partial condition number. Compared with other interpolated methods, our proposed approach not on... |
| Keywords: | Head-Related Transfer Function (HRTF) Interpolation Spherical Fourier Expansion (SFE) Truncated Singular Value Decomposition (SVD) Partial condition number |
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