Interpretations on principal components analysis of head-related impulse responses in the median plane
A principal components analysis of the median-plane head-related impulse responses (HRIRs) in the CIPIC HRTF database reveals that the individual HRIRs can be reconstructed by a linear combination of 12 principal components (PCs) within 5% of error in the least-squares sense. The PCs include the int...
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| Veröffentlicht in: | The Journal of the Acoustical Society of America 2008-04, Vol.123 (4), p.EL65-EL71 |
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| container_title | The Journal of the Acoustical Society of America |
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| creator | Hwang, Sungmok Park, Youngjin |
| description | A principal components analysis of the median-plane head-related impulse responses (HRIRs) in the CIPIC HRTF database reveals that the individual HRIRs can be reconstructed by a linear combination of 12 principal components (PCs) within 5% of error in the least-squares sense. The PCs include the intersubject and interelevation variations in the median-plane HRIRs. Each PC provides sound cues for the front-back discrimination and/or the vertical perception. There exist common systematic elevation dependencies in the weights of lower-numbered PCs which contribute to the pinna/head diffractions, whereas the elevation dependencies in the weights of higher-numbered PCs are different from subject to subject. |
| doi_str_mv | 10.1121/1.2884094 |
| format | Article |
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| ispartof | The Journal of the Acoustical Society of America, 2008-04, Vol.123 (4), p.EL65-EL71 |
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| language | eng |
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| source | MEDLINE; AIP Journals Complete; Acoustical Society of America (AIP); Alma/SFX Local Collection |
| subjects | Auditory Perception Cues Discrimination (Psychology) Head - physiology Humans Movement - physiology |
| title | Interpretations on principal components analysis of head-related impulse responses in the median plane |
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