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A complex panning method for near-field imaging

A complex panning method for near-field imaging
A complex panning method for near-field imaging
Conventional amplitude panning can be used to produce images of distant objects. An extended panning method is presented that can also produce image cues for the near-field region, by the control of Inter-aural Level Difference cues in the low frequency range below ~1000Hz. The approach has grown from an adaptive panning method that corrects for the dependence of image direction on head orientation. Stereo panning functions are derived from a general formulation. A single first order filter is required for each image. The method is tested by simulating a range of configurations using measured Head Related Transfer Functions, and also with listening tests. The results confirm the ability of the method to control near-field cues, while also compensating image direction for head rotation.
spatial audio, stereo, near-field image, VBAP, tangent law, augmented reality
1-11
Menzies, Dylan
0cc76abc-8a10-4b7f-96e5-56eceb0b2c5c
Fazi, Filippo
e5aefc08-ab45-47c1-ad69-c3f12d07d807
Menzies, Dylan
0cc76abc-8a10-4b7f-96e5-56eceb0b2c5c
Fazi, Filippo
e5aefc08-ab45-47c1-ad69-c3f12d07d807

Menzies, Dylan and Fazi, Filippo (2018) A complex panning method for near-field imaging. IEEE/ACM Transactions on Audio, Speech, and Language Processing, 1-11. (doi:10.1109/TASLP.2018.2827300).

Record type: Article

Abstract

Conventional amplitude panning can be used to produce images of distant objects. An extended panning method is presented that can also produce image cues for the near-field region, by the control of Inter-aural Level Difference cues in the low frequency range below ~1000Hz. The approach has grown from an adaptive panning method that corrects for the dependence of image direction on head orientation. Stereo panning functions are derived from a general formulation. A single first order filter is required for each image. The method is tested by simulating a range of configurations using measured Head Related Transfer Functions, and also with listening tests. The results confirm the ability of the method to control near-field cues, while also compensating image direction for head rotation.

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More information

Accepted/In Press date: 12 April 2018
e-pub ahead of print date: 30 April 2018
Keywords: spatial audio, stereo, near-field image, VBAP, tangent law, augmented reality

Identifiers

Local EPrints ID: 420324
URI: http://eprints.soton.ac.uk/id/eprint/420324
PURE UUID: 126b7c64-2ff6-466a-8cdd-e0a430eb0566
ORCID for Dylan Menzies: ORCID iD orcid.org/0000-0003-1475-8798
ORCID for Filippo Fazi: ORCID iD orcid.org/0000-0003-4129-1433

Catalogue record

Date deposited: 04 May 2018 16:30
Last modified: 16 Mar 2024 03:59

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