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NEECK Validation: Acoustic Measurements and BEM Simulations

Young, Kat; Kearney, Gavin; Tew, Anthony. I


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<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:creator>Young, Kat</dc:creator>
  <dc:creator>Kearney, Gavin</dc:creator>
  <dc:creator>Tew, Anthony. I</dc:creator>
  <dc:date>2018-12-19</dc:date>
  <dc:description>This repository contains the supporting data for the paper entitled "Acoustic Validation of a BEM-Suitable 3D Mesh Model of KEMAR'', K. Young, G. Kearney, and A. I. Tew, at the 2018 AES International Conference on Spatial Reproduction - Aesthetics and Science, Tokyo. Available at: http://www.aes.org/e-lib/browse.cfm?elib=19662. Please cite both the paper and dataset if used.

Note: the azimuth angle system used in this work increments positively in the left direction, such that 90° is on the left and 270° is on the right. In elevation, -90° is below, +90° is above. 

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The data is organised as follows:

- NEECK_HRIR_measured.sofa
    (SOFA file (SimpleFreeFieldHRIR) containing the 185 acoustically measured HRIRs for the Neck-Extended Easily Computable KEMAR (NEECK))
- NEECK_HRTF_simulated.sofa
    (SOFA file (SimpleFreeFieldTF) containing the 10,205 simulated HRTFs for the Neck-Extended Easily Computable KEMAR (NEECK))
- AdditionalData
    (Zip folder containing data processed during the analysis stages)
    - averageResponse_measured.mat
        (mat file containing the average IR responses, corresponding inverse filters and inverse filter generation parameters)
    - averageResponse_simulated.mat
        (mat file containing the average TF responses in linear scale)
    - measuredData.mat
        (mat file containing the following data:)
        - IRs
            (Measured impulse responses as in SOFA file. Dimensions: M1xRxN1)
        - IRs_DTF
            (Impulse responses after application of average response inverse filter. Dimensions: M1xRxN1)
        - HRTFs
            (HRTF magnitudes in linear scale. Dimensions: M1xRxN1)
        - HRTFs_dB
            (As above in decibel scale. Dimensions: M1xRxN1)
        - DTFs
            (DTF magnitudes in linear scale - after application of average response inverse filter. Dimensions: M1xRxN1)
        - DTFs_dB
            (As above in decibel scale. Dimensions: M1xRxN1)
        - measFs
            (sampling rate of measured responses: Dimensions: 1x1)
        - allSourcePositions_measured
            (measured source positions in spherical coordinates (azimuth, elevation, radius). Units: degrees, degrees, metres. Dimensions: M1x3)
    - simulatedData.mat
        (mat file containing the following data:
        - IRs
            (Impluse responses generated from the simulated HRTF data. Dimensions: M2xRxN2)
        - HRTFs_complex
            (Complex simulated HRTF data. Dimensions: M2xRxN3)
        - HRTFs_mag_dB
            (Magnitudes of simulated HRTF data in decibel scale. Dimensions: M2xRxN3)
        - DTFs_mag_lin
            (Magnitudes of directional transfer function (DTF) data in linear scale. Dimensions: M2xRxN3)
        - DTFs_mag_dB
            (As above in decibel scale. Dimensions: M2xRxN3)
        - simFs
            (sampling rate of generated impulse responses. Dimensions: 1x1)
        - allSourcePositions_simulated
            (simulated source positions in spherical coordinates (azimuth, elevation, radius). units: degrees, degrees, metres. Dimensions: M2x3)
        - frequencies
            (frequencies used in the simulation. Dimensions: N3x1)
    - license.mat
        (mat file containing licensing information)
- License.txt
    (Text file detailing the license under which this data is published.)

For enquiries regarding the data in a different format, please email kaey500@york.ac.uk. 
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Data Dimensions:

M1 = number of measured source positions, in this case 185
M2 = number of simulated source positions, in this case 10,205
R = number of channels, in this case 2, where 1 and 2 correspond to left and right respectively
N1 = number of samples in measured impulse responses, in this case 1024
N2 = number of samples in generated impulse responses, in this case (number of samples in HRTF*2)+2 = 400
N3 = number of samples in simulated transfer functions, in this case, the number of frequency points, 199

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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), with no warranty; or the implied warranty of merchantability or fitness for a particular problem.

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Data produced by Kat Young at the AudioLab, Dept. of Electronic Engineering, University of York.
Contact: kaey500@york.ac.uk</dc:description>
  <dc:description>New version to address error in processing.</dc:description>
  <dc:identifier>https://zenodo.org/record/2361513</dc:identifier>
  <dc:identifier>10.5281/zenodo.2361513</dc:identifier>
  <dc:identifier>oai:zenodo.org:2361513</dc:identifier>
  <dc:language>eng</dc:language>
  <dc:relation>url:http://www.aes.org/e-lib/browse.cfm?elib=19662</dc:relation>
  <dc:relation>doi:10.5281/zenodo.1211613</dc:relation>
  <dc:relation>url:https://zenodo.org/communities/uoy-audiolab</dc:relation>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>https://creativecommons.org/licenses/by-nc/4.0/legalcode</dc:rights>
  <dc:subject>binaural</dc:subject>
  <dc:subject>simulation</dc:subject>
  <dc:subject>boundary element method</dc:subject>
  <dc:subject>BEM</dc:subject>
  <dc:subject>HRTF</dc:subject>
  <dc:subject>HRIR</dc:subject>
  <dc:title>NEECK Validation: Acoustic Measurements and BEM Simulations</dc:title>
  <dc:type>info:eu-repo/semantics/other</dc:type>
  <dc:type>dataset</dc:type>
</oai_dc:dc>
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