Communication Dans Un Congrès Année : 2025

Audio processor parameters: estimating distributions instead of deterministic values

Paramètres d'effets ou de synthétiseurs audios: estimer des distributions plutôt que des valeurs déterministes

Résumé

Audio effects and sound synthesizers are widely used processors in popular music. Their parameters control the quality of the output sound. Multiple combinations of parameters can lead to the same sound. While recent approaches have been proposed to estimate these parameters given only the output sound, those are deterministic, i.e. they only estimate a single solution among the many possible parameter configurations. In this work, we propose to model the parameters as probability distributions instead of deterministic values. To learn the distributions, we optimize two objectives: (1) we minimize the reconstruction error between the ground truth output sound and the one generated using the estimated parameters, as is it usually done, but also (2) we maximize the parameter diversity, using entropy. We evaluate our approach through two numerical audio experiments to show its effectiveness. These results show how our approach effectively outputs multiple combinations of parameters to match one sound.

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hal-05253950 , version 1 (15-09-2025)

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  • HAL Id : hal-05253950 , version 1

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Côme Peladeau, Dominique Fourer, Geoffroy Peeters. Audio processor parameters: estimating distributions instead of deterministic values. 28th International Conference on Digital Audio Effects (DAFx25), Sep 2025, Ancône, Italy. pp.275-282. ⟨hal-05253950⟩
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