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Six-degrees-of-freedom rendering of an acoustic environment can be achieved by interpolating a set of measured spatial room impulse responses (SRIRs). However, the involved measurement effort and computational expense are high. This work compares novel ways of extrapolating a single measured SRIR to a target position. The novel extrapolation techniques are based on a recently proposed subspace method that decomposes SRIRs into a direct part, comprising direct sound and salient reflections, and a residual. We evaluate extrapolations between different positions in a shoebox-shaped room in a multi-stimulus comparison test. Extrapolation using a residual SRIR and salient reflections that match the reflections at the target position is rated as perceptually most similar to the measured reference.
Author (s): Deppisch, Thomas; Amengual Garí, Sebastià; Calamia, Paul; Ahrens, Jens
Affiliation:
Chalmers University of Technology, Gothenburg, Sweden; Reality Labs Research, Redmond, WA, USA
(See document for exact affiliation information.)
Publication Date:
2022-08-06
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Permalink: https://aes2.org/publications/elibrary-page/?id=21844
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Deppisch, Thomas; Amengual Garí, Sebastià; Calamia, Paul; Ahrens, Jens; 2022; Perceptual Evaluation of Spatial Room Impulse Response Extrapolation by Direct and Residual Subspace Decomposition [PDF]; Chalmers University of Technology, Gothenburg, Sweden; Reality Labs Research, Redmond, WA, USA; Paper 14; Available from: https://aes2.org/publications/elibrary-page/?id=21844
Deppisch, Thomas; Amengual Garí, Sebastià; Calamia, Paul; Ahrens, Jens; Perceptual Evaluation of Spatial Room Impulse Response Extrapolation by Direct and Residual Subspace Decomposition [PDF]; Chalmers University of Technology, Gothenburg, Sweden; Reality Labs Research, Redmond, WA, USA; Paper 14; 2022 Available: https://aes2.org/publications/elibrary-page/?id=21844
@article{deppisch2022perceptual,
author={deppisch thomas and amengual garí sebastià and calamia paul and ahrens jens},
journal={journal of the audio engineering society},
title={perceptual evaluation of spatial room impulse response extrapolation by direct and residual subspace decomposition},
year={2022},
number={14},
month={august},}
TY – paper
TI – Perceptual Evaluation of Spatial Room Impulse Response Extrapolation by Direct and Residual Subspace Decomposition
AU – Deppisch, Thomas
AU – Amengual Garí, Sebastià
AU – Calamia, Paul
AU – Ahrens, Jens
PY – 2022
JO – Journal of the Audio Engineering Society
VL – 14
Y1 – August 2022