Dataset Open Access

Horizontal-plane HRTFs of KEMAR mannequin spatially interpolated with a resolution of 0.5°

Majdak, Piotr; Stawicki, Marnix; Başkent, Deniz


JSON Export

{
  "files": [
    {
      "links": {
        "self": "https://zenodo.org/api/files/627a52ba-1a28-448d-9bd9-f244f89504fb/hrtf_M_normal%20pinna%20resolution%200.5%20deg.sofa"
      }, 
      "checksum": "md5:02aa4618ff17378e4ebe09bca83f4cee", 
      "bucket": "627a52ba-1a28-448d-9bd9-f244f89504fb", 
      "key": "hrtf_M_normal pinna resolution 0.5 deg.sofa", 
      "type": "sofa", 
      "size": 5633418
    }, 
    {
      "links": {
        "self": "https://zenodo.org/api/files/627a52ba-1a28-448d-9bd9-f244f89504fb/hrtf_M_normal%20pinna.sofa"
      }, 
      "checksum": "md5:74fb83d1267fc047bfc1ebeaec757dab", 
      "bucket": "627a52ba-1a28-448d-9bd9-f244f89504fb", 
      "key": "hrtf_M_normal pinna.sofa", 
      "type": "sofa", 
      "size": 5616849
    }
  ], 
  "owners": [
    70087
  ], 
  "doi": "10.5281/zenodo.3250072", 
  "stats": {
    "version_unique_downloads": 8.0, 
    "unique_views": 54.0, 
    "views": 74.0, 
    "version_views": 76.0, 
    "unique_downloads": 8.0, 
    "version_unique_views": 56.0, 
    "volume": 90068412.0, 
    "version_downloads": 16.0, 
    "downloads": 16.0, 
    "version_volume": 90068412.0
  }, 
  "links": {
    "doi": "https://doi.org/10.5281/zenodo.3250072", 
    "conceptdoi": "https://doi.org/10.5281/zenodo.3250071", 
    "bucket": "https://zenodo.org/api/files/627a52ba-1a28-448d-9bd9-f244f89504fb", 
    "conceptbadge": "https://zenodo.org/badge/doi/10.5281/zenodo.3250071.svg", 
    "html": "https://zenodo.org/record/3250072", 
    "latest_html": "https://zenodo.org/record/3250072", 
    "badge": "https://zenodo.org/badge/doi/10.5281/zenodo.3250072.svg", 
    "latest": "https://zenodo.org/api/records/3250072"
  }, 
  "conceptdoi": "10.5281/zenodo.3250071", 
  "created": "2019-06-19T22:01:30.554707+00:00", 
  "updated": "2020-01-24T19:24:49.173029+00:00", 
  "conceptrecid": "3250071", 
  "revision": 4, 
  "id": 3250072, 
  "metadata": {
    "access_right_category": "success", 
    "doi": "10.5281/zenodo.3250072", 
    "description": "<p>HRTFs of the KEMAR manikin (Gardner and Martin, 1995):</p>\n\n<ul>\n\t<li>&quot;hrtf_M_normal pinna.sofa&quot;: the original HRTF dataset&nbsp;from the KEMAR manikin at a lateral resolution of 5&deg; stored as a SOFA file (Majdak et al., 2013)</li>\n\t<li>&quot;hrtf_M_normal pinna resolution 0.5 deg.sofa&quot;:&nbsp;A super-resolution HRTF set with a directional&nbsp;up-sampling of the original HRTF set to the lateral resolution of 0.5&deg;. To this end, for each ear&#39;s HRTF set:\n\t<ul>\n\t\t<li>The broadband timing was removed by replacing the HRTF&#39;s phase spectrum by the minimum-phase spectrum (Oppenheim et al. 1999) corresponding to HRTF&#39;s amplitude spectrum.</li>\n\t\t<li>For the interpolation of the amplitude spectra, the complex spectra of the minimum-phase HRTFs for two adjacent available directions were averaged according to a weighting that corresponded to the interpolated target direction.&nbsp;</li>\n\t\t<li>For the interpolation of the timing, a continuous-direction model of the time-of-arrival (TOA) was applied (Ziegelwanger &amp; Majdak, 2014). TOA is the broadband delay arising from the propagation paths from the sound source to the listener&#39;s ear. For a given direction of a sound, the interaural difference of TOAs corresponds to the ITD. The TOA model parameters describe listener&#39;s geometry (head and ears) and configure a continuous-direction function of broadband TOA. We used this function to calculate TOAs for directions in steps of 0.5&deg;. To this end, for each ear, the model was fit to an HRTF set as described by Majdak &amp; Ziegelwanger (2013) using the implementation from the Auditory Modeling Toolbox (S&oslash;ndergaard &amp; Majdak, 2013). Then, each minimum-phase HRTF was temporally up-sampled by a factor of 64, circularly shifted by the TOA obtained from the continuous-direction TOA model for the target direction, and then down-sampled to the sampling rate of 44.1 kHz. Note that the temporal oversampling was required to achieve an interaural resolution of 0.35 &micro;s.&nbsp;</li>\n\t</ul>\n\t</li>\n</ul>\n\n<p>&nbsp;</p>", 
    "license": {
      "id": "CC-BY-NC-SA-4.0"
    }, 
    "title": "Horizontal-plane HRTFs of KEMAR mannequin spatially interpolated with a resolution of 0.5\u00b0", 
    "relations": {
      "version": [
        {
          "count": 1, 
          "index": 0, 
          "parent": {
            "pid_type": "recid", 
            "pid_value": "3250071"
          }, 
          "is_last": true, 
          "last_child": {
            "pid_type": "recid", 
            "pid_value": "3250072"
          }
        }
      ]
    }, 
    "version": "1.0.0", 
    "keywords": [
      "hrtfs, virtual acoustics, spatial superresolution"
    ], 
    "publication_date": "2019-06-19", 
    "creators": [
      {
        "affiliation": "Acoustics Research Institute, Austrian Academy of Sciences", 
        "name": "Majdak, Piotr"
      }, 
      {
        "affiliation": "University of Groningen", 
        "name": "Stawicki, Marnix"
      }, 
      {
        "affiliation": "University of Groningen", 
        "name": "Ba\u015fkent, Deniz"
      }
    ], 
    "access_right": "open", 
    "resource_type": {
      "type": "dataset", 
      "title": "Dataset"
    }, 
    "related_identifiers": [
      {
        "scheme": "doi", 
        "identifier": "10.5281/zenodo.3250071", 
        "relation": "isVersionOf"
      }
    ]
  }
}
76
16
views
downloads
All versions This version
Views 7674
Downloads 1616
Data volume 90.1 MB90.1 MB
Unique views 5654
Unique downloads 88

Share

Cite as