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Generalised low frequency 3D audio reproduction over loudspeakers

Generalised low frequency 3D audio reproduction over loudspeakers
Generalised low frequency 3D audio reproduction over loudspeakers
There exist many different techniques to reproduce 3D audio over loudspeakers, each derived from different models and motivations. However, at low frequencies these varying reproduction methods appear more similar than previously thought. This paper produces an analytical analysis of the stereo sine law, head-tracked stereo sine law, stereo tangent law/vector base amplitude panning, crosstalk cancellation and first order Ambisonics. Many of these techniques are shown mathematically to be equal or subsets of each other, resulting in a more generalised theory for low frequency audio reproduction over loudspeakers. Finally, the performance of each of the reproduction methods is considered under a low frequency analysis framework derived from a soundfield reproduction perspective.
Spatial Audio
Audio Engineering Society
Hollebon, Jacob
75e4dd71-cfb5-4d28-82a5-7ee1bee73207
Fazi, Filippo
e5aefc08-ab45-47c1-ad69-c3f12d07d807
Hollebon, Jacob
75e4dd71-cfb5-4d28-82a5-7ee1bee73207
Fazi, Filippo
e5aefc08-ab45-47c1-ad69-c3f12d07d807

Hollebon, Jacob and Fazi, Filippo (2020) Generalised low frequency 3D audio reproduction over loudspeakers. In 148th AES International Convention. Audio Engineering Society. 11 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

There exist many different techniques to reproduce 3D audio over loudspeakers, each derived from different models and motivations. However, at low frequencies these varying reproduction methods appear more similar than previously thought. This paper produces an analytical analysis of the stereo sine law, head-tracked stereo sine law, stereo tangent law/vector base amplitude panning, crosstalk cancellation and first order Ambisonics. Many of these techniques are shown mathematically to be equal or subsets of each other, resulting in a more generalised theory for low frequency audio reproduction over loudspeakers. Finally, the performance of each of the reproduction methods is considered under a low frequency analysis framework derived from a soundfield reproduction perspective.

Text
Generalised Low Frequency 3D Audio Reproduction Over Loudspeakers - Accepted Manuscript
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More information

Published date: 28 May 2020
Additional Information: Publisher Copyright: © 2020 148th Audio Engineering Society International Convention. All rights reserved. Copyright:
Keywords: Spatial Audio

Identifiers

Local EPrints ID: 441254
URI: http://eprints.soton.ac.uk/id/eprint/441254
PURE UUID: 48a12d1e-dd67-47f8-9dbc-2cb4e574b374
ORCID for Jacob Hollebon: ORCID iD orcid.org/0000-0002-4119-4070
ORCID for Filippo Fazi: ORCID iD orcid.org/0000-0003-4129-1433

Catalogue record

Date deposited: 08 Jun 2020 16:30
Last modified: 17 Mar 2024 04:09

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