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A Free Database of Head Related Impulse Response Measurements in the Horizontal Plane with Multiple Distances

A freely available database of Head-Related Impulse Response (HRIR) measurements is introduced. The impulse responses were measured in an anechoic chamber using a KEMAR manikin at four different loudspeaker distances—3 m, 2 m, 1 m, and 0.5 m—reaching from the far field to the near field. The loudspeaker was positioned at ear height and the manikin was rotated with a step motor in one degree increments. For the 3 m distance additional measurements have been carried out where the torso stayed fixed and only the artificial head was rotated. In addition to the raw impulse responses there are also data-sets available with a frequency response compensated for the use of several different headphones.

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