Spline Modeling and Level of Detail for Audio

Matt Klassen

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Paper

Spline Modeling and Level of Detail for Audio

Topics: Multidimensional Signal Processing; Music, Speech and Audio Processing

In Proceedings of the 19th International Conference on Signal Processing and Multimedia Applications SIGMAP - Volume 1, 94-101, 2022 , Lisbon, Portugal

Author: Matt Klassen

Affiliation: DigiPen Institute of Technology, Willows Road, Redmond, WA, U.S.A.

Keyword(s): Spline, Audio, Signal, Interpolation, Cycle, Level, Detail.

Abstract: In this paper we propose spline models of audio as the first step toward a hierarchical system of level of detail (LOD) for audio rendering. We describe methods such as cycle interpolation which can produce spline models and approximations of audio data. These models can be used to render output in realtime, but can also be mixed prior to rendering. Examples of audio data simplified to spline models with cycle interpolation can reduce the data to less than 2% of the full resolution data size, with only minor impact to audio quality. We present a sequence of such examples with instrument models. We also introduce the idea of pre-rendered filtering and mixing, based on the B-spline coefficients of the models.

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Paper citation in several formats:

Klassen, M. (2022). Spline Modeling and Level of Detail for Audio. In Proceedings of the 19th International Conference on Signal Processing and Multimedia Applications - SIGMAP; ISBN 978-989-758-591-3; ISSN 2184-9471, SciTePress, pages 94-101. DOI: 10.5220/0011321500003289

@conference{sigmap22,
author={Matt Klassen.},
title={Spline Modeling and Level of Detail for Audio},
booktitle={Proceedings of the 19th International Conference on Signal Processing and Multimedia Applications - SIGMAP},
year={2022},
pages={94-101},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0011321500003289},
isbn={978-989-758-591-3},
issn={2184-9471},
}

TY - CONF

JO - Proceedings of the 19th International Conference on Signal Processing and Multimedia Applications - SIGMAP
TI - Spline Modeling and Level of Detail for Audio
SN - 978-989-758-591-3
IS - 2184-9471
AU - Klassen, M.
PY - 2022
SP - 94
EP - 101
DO - 10.5220/0011321500003289
PB - SciTePress