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A comparison of the performance of HRTF models in inverse filter design for crosstalk cancellation

A comparison of the performance of HRTF models in inverse filter design for crosstalk cancellation
A comparison of the performance of HRTF models in inverse filter design for crosstalk cancellation
Crosstalk cancellation can be used to reproduce binaural audio over loudspeakers without the use of headphones, by using inverse filtering. When designing the inverse filters, a matrix of head-related transfer functions (HRTFs) is modelled and inverted. Often in crosstalk cancellation, a free-field shadowless head model is assumed. For perfect crosstalk cancellation, the modelled HRTFs that are inverted should be identical to the physical HRTFs of the reproduction system. Mismatches between the modelled HRTFs and the physical HRTFs result in errors in the reproduced binaural signals. A range of HRTF models are reviewed and their performance in a standard crosstalk cancellation problem assessed using numerical simulations. The benefits and drawbacks of the various models are discussed and the limitations of the commonly used shadowless head model shown.
Institute of Acoustics
Hollebon, Jacob
fecec634-ce57-4d47-813e-519135cdf7f2
Hamdan, Eric
4a342d37-7fa9-45a2-8e9a-0a1a428dba7e
Fazi, Filippo
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Hollebon, Jacob
fecec634-ce57-4d47-813e-519135cdf7f2
Hamdan, Eric
4a342d37-7fa9-45a2-8e9a-0a1a428dba7e
Fazi, Filippo
e5aefc08-ab45-47c1-ad69-c3f12d07d807

Hollebon, Jacob, Hamdan, Eric and Fazi, Filippo (2019) A comparison of the performance of HRTF models in inverse filter design for crosstalk cancellation. In Proceedings of the Institute of Acoustics. vol. 41, Institute of Acoustics..

Record type: Conference or Workshop Item (Paper)

Abstract

Crosstalk cancellation can be used to reproduce binaural audio over loudspeakers without the use of headphones, by using inverse filtering. When designing the inverse filters, a matrix of head-related transfer functions (HRTFs) is modelled and inverted. Often in crosstalk cancellation, a free-field shadowless head model is assumed. For perfect crosstalk cancellation, the modelled HRTFs that are inverted should be identical to the physical HRTFs of the reproduction system. Mismatches between the modelled HRTFs and the physical HRTFs result in errors in the reproduced binaural signals. A range of HRTF models are reviewed and their performance in a standard crosstalk cancellation problem assessed using numerical simulations. The benefits and drawbacks of the various models are discussed and the limitations of the commonly used shadowless head model shown.

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A comparison of the performance of HRTF models in inverse filter design for Crosstalk Cancellation - Accepted Manuscript
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e-pub ahead of print date: 18 November 2019

Identifiers

Local EPrints ID: 436295
URI: http://eprints.soton.ac.uk/id/eprint/436295
PURE UUID: 614bb6d2-a8fd-495e-ad0e-191e1907ce2f
ORCID for Jacob Hollebon: ORCID iD orcid.org/0000-0002-4119-4070

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Date deposited: 06 Dec 2019 17:30
Last modified: 22 Nov 2021 03:22

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