Issues on Dummy-Head HRTFs measurements

Daniela Toledo, Henrik Møller

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The dimensions of a person are small compared to the wavelength at low frequencies. Therefore, at these frequencies HRTFs should decrease asymptotically until they reach 0dB -i.e. unity gain- at DC. This is not the case in measured HRTFs: the limitations of the equipment used result in a wrong -and random- value at DC and the effect can be seen well within the audio frequencies. We have measured HRTFs on a commercially available dummy-head Neumann KU-100 and analyzed issues associated to calibration, DC correction and low-frequency response. Informal listening tests suggest that the ripples seen in HRTFs with a wrong DC value affect the sound quality in binaural synthesis.
Original languageEnglish
Title of host publicationAudio Engineering Society Convention Papers
Number of pages11
PublisherAudio Engineering Society
Publication date2009
ISBN (Electronic)978-0-937803-67-7
Publication statusPublished - 2009
EventAES 126th Convention - Munich, Germany
Duration: 7 May 200910 May 2009
Conference number: 126


ConferenceAES 126th Convention

Bibliographical note

Paper no. 7727

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