Issues on Dummy-Head HRTFs measurements

Daniela Toledo; Henrik Møller

Issues on Dummy-Head HRTFs measurements

Daniela Toledo, Henrik Møller

Department of Electronic Systems

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

1 Citation (Scopus)

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Abstract

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 language	English
Title of host publication	Audio Engineering Society Convention Papers
Number of pages	11
Publisher	Audio Engineering Society
Publication date	2009
ISBN (Electronic)	978-0-937803-67-7
Publication status	Published - 2009
Event	AES 126th Convention - Munich, Germany Duration: 7 May 2009 → 10 May 2009 Conference number: 126

Conference

Conference	AES 126th Convention
Number	126
Country/Territory	Germany
City	Munich
Period	07/05/2009 → 10/05/2009

Bibliographical note

Paper no. 7727

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2009 Toledo and Møller AES Convention

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Issues on Dummy-Head HRTFs measurements
Toledo, D. & Møller, H.
<ingen navn>
19/05/2010 → 31/12/2017
Project: Research

Cite this

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title = "Issues on Dummy-Head HRTFs measurements",

abstract = "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.",

author = "Daniela Toledo and Henrik M{\o}ller",

note = "Paper no. 7727; AES 126th Convention ; Conference date: 07-05-2009 Through 10-05-2009",

year = "2009",

language = "English",

booktitle = "Audio Engineering Society Convention Papers",

publisher = "Audio Engineering Society",

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TY - GEN

T1 - Issues on Dummy-Head HRTFs measurements

AU - Toledo, Daniela

AU - Møller, Henrik

N1 - Conference code: 126

PY - 2009

Y1 - 2009

N2 - 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.

AB - 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.

M3 - Article in proceeding

BT - Audio Engineering Society Convention Papers

PB - Audio Engineering Society

T2 - AES 126th Convention

Y2 - 7 May 2009 through 10 May 2009

ER -

Issues on Dummy-Head HRTFs measurements

Abstract

Conference

Bibliographical note

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Issues on Dummy-Head HRTFs measurements

Cite this