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Volume 31 Issue 2
Dec.  2010
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Wang Lin, Yin Fu-liang, Chen Zhe. Common-Acoustical-Poles/Zeros Modeling of HRTF Using Logarithmic Error Criterion[J]. Journal of Electronics & Information Technology, 2009, 31(2): 306-309. doi: 10.3724/SP.J.1146.2007.01494
Citation: Wang Lin, Yin Fu-liang, Chen Zhe. Common-Acoustical-Poles/Zeros Modeling of HRTF Using Logarithmic Error Criterion[J]. Journal of Electronics & Information Technology, 2009, 31(2): 306-309. doi: 10.3724/SP.J.1146.2007.01494

Common-Acoustical-Poles/Zeros Modeling of HRTF Using Logarithmic Error Criterion

doi: 10.3724/SP.J.1146.2007.01494
  • Received Date: 2007-09-18
  • Rev Recd Date: 2008-05-22
  • Publish Date: 2009-02-19
  • Common-Acoustical-Poles/Zeros (CAPZ) approximation is an efficient way to model Head-Related Transfer Functions (HRTF), which requires fewer parameters than pole/zero model. Conventional methods estimate CAPZ model parameters based on least square error criterion, while the attributes of human auditory perception are more consistent with the logarithmic error criterion. This paper therefore presents a new method to estimate CAPZ model parameters by minimizing log-magnitude error. Common acoustical poles are estimated with Haneda method firstly. Then, under logarithmic error criterion, the zeros of CAPZ model are estimated with iterative weighted least-square algorithm. Simulation results are given to validate the effectiveness of the proposed method.
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