Fade-in Reverberation in Multi-room Environments Using the Common-Slope Model
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866910533260673024 |
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| author | Lee, Kyung Yun Meyer-Kahlen, Nils Götz, Georg Svensson, U. Peter Schlecht, Sebastian J. Välimäki, Vesa |
| author_facet | Lee, Kyung Yun Meyer-Kahlen, Nils Götz, Georg Svensson, U. Peter Schlecht, Sebastian J. Välimäki, Vesa |
| contents | In multi-room environments, modelling the sound propagation is complex due to the coupling of rooms and diverse source-receiver positions. A common scenario is when the source and the receiver are in different rooms without a clear line of sight. For such source-receiver configurations, an initial increase in energy is observed, referred to as the "fade-in" of reverberation. Based on recent work of representing inhomogeneous and anisotropic reverberation with common decay times, this work proposes an extended parametric model that enables the modelling of the fade-in phenomenon. The method performs fitting on the envelopes, instead of energy decay functions, and allows negative amplitudes of decaying exponentials. We evaluate the method on simulated and measured multi-room environments, where we show that the proposed approach can now model the fade-ins that were unrealisable with the previous method. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_13242 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Fade-in Reverberation in Multi-room Environments Using the Common-Slope Model Lee, Kyung Yun Meyer-Kahlen, Nils Götz, Georg Svensson, U. Peter Schlecht, Sebastian J. Välimäki, Vesa Audio and Speech Processing Sound In multi-room environments, modelling the sound propagation is complex due to the coupling of rooms and diverse source-receiver positions. A common scenario is when the source and the receiver are in different rooms without a clear line of sight. For such source-receiver configurations, an initial increase in energy is observed, referred to as the "fade-in" of reverberation. Based on recent work of representing inhomogeneous and anisotropic reverberation with common decay times, this work proposes an extended parametric model that enables the modelling of the fade-in phenomenon. The method performs fitting on the envelopes, instead of energy decay functions, and allows negative amplitudes of decaying exponentials. We evaluate the method on simulated and measured multi-room environments, where we show that the proposed approach can now model the fade-ins that were unrealisable with the previous method. |
| title | Fade-in Reverberation in Multi-room Environments Using the Common-Slope Model |
| topic | Audio and Speech Processing Sound |
| url | https://arxiv.org/abs/2407.13242 |