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Link to original content: https://doi.org/10.1007/978-3-030-80209-7_7
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An Auditory Cortex Model for Sound Processing

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Geometric Science of Information (GSI 2021)

Part of the book series: Lecture Notes in Computer Science ((LNIP,volume 12829))

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Abstract

The reconstruction mechanisms built by the human auditory system during sound reconstruction are still a matter of debate. The purpose of this study is to refine the auditory cortex model introduced in [9], and inspired by the geometrical modelling of vision. The algorithm lifts the time-frequency representation of the degraded sound to the Heisenberg group, where it is reconstructed via a Wilson-Cowan integro-differential equation. Numerical experiments on a library of speech recordings are provided, showing the good reconstruction properties of the algorithm.

This study was supported by the IdEx Université de Paris, “ANR-18-IDEX-0001” and by the ANR RUBIN-VASE project, grant ANR-20-CE48-0003 of the French Agence Nationale de la Recherche.

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Notes

  1. 1.

    The speech material used in the current study is part of an ongoing psycholinguistic project on spoken word recognition. Speech material comprises 49 Italian words and 118 French words. The two sets of words were produced by two (40-year-old) female speakers (a French monolingual speaker and an Italian monolingual speaker) and recorded using a headset microphone AKG C 410 and a Roland Quad Capture audio interface. Recordings took place in the soundproof cabin of the Laboratoire de Phonétique et Phonologie (LPP) of Université de Paris Sorbonne-Nouvelle. Both informants were told to read the set of words as fluently and naturally as possible.

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Authors and Affiliations

  1. Université Paris-Saclay, CNRS, CentraleSupèlec, Laboratoire des Signaux et Systèmes, 91190, Gif-sur-Yvette, France

    Rand Asswad & Dario Prandi

  2. CNRS, LJLL, Sorbonne Université, Université de Paris, Inria, Paris, France

    Ugo Boscain

  3. Université de Paris, CNRS, Laboratoire de Linguistique Formelle, UMR 7110, Paris, France

    Giuseppina Turco

  4. Université Lyon, Université Claude Bernard Lyon 1, CNRS, LAGEPP UMR 5007, 43 Bd du 11 Novembre 1918, 69100, Villeurbanne, France

    Ludovic Sacchelli

Authors
  1. Rand Asswad
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  2. Ugo Boscain
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  3. Giuseppina Turco
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  4. Dario Prandi
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  5. Ludovic Sacchelli
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Corresponding author

Correspondence to Dario Prandi .

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Editors and Affiliations

  1. Sony Computer Science Laboratories Inc., Tokyo, Japan

    Frank Nielsen

  2. THALES Land & Air Systems, Meudon, France

    Frédéric Barbaresco

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Asswad, R., Boscain, U., Turco, G., Prandi, D., Sacchelli, L. (2021). An Auditory Cortex Model for Sound Processing. In: Nielsen, F., Barbaresco, F. (eds) Geometric Science of Information. GSI 2021. Lecture Notes in Computer Science(), vol 12829. Springer, Cham. https://doi.org/10.1007/978-3-030-80209-7_7

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  • DOI: https://doi.org/10.1007/978-3-030-80209-7_7

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