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Your search keyword '"Aucouturier, Jean-Julien"' showing total 281 results
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281 results on '"Aucouturier, Jean-Julien"'

1. Mmm whatcha say? Uncovering distal and proximal context effects in first and second-language word perception using psychophysical reverse correlation

Author

Tuttösí, Paige, Yeung, H. Henny, Wang, Yue, Wang, Fenqi, Denis, Guillaume, Aucouturier, Jean-Julien, and Lim, Angelica

Subjects
Computer Science - Sound, Computer Science - Computation and Language, Electrical Engineering and Systems Science - Audio and Speech Processing
Abstract

Acoustic context effects, where surrounding changes in pitch, rate or timbre influence the perception of a sound, are well documented in speech perception, but how they interact with language background remains unclear. Using a reverse-correlation approach, we systematically varied the pitch and speech rate in phrases around different pairs of vowels for second language (L2) speakers of English (/i/-/I/) and French (/u/-/y/), thus reconstructing, in a data-driven manner, the prosodic profiles that bias their perception. Testing English and French speakers (n=25), we showed that vowel perception is in fact influenced by conflicting effects from the surrounding pitch and speech rate: a congruent proximal effect 0.2s pre-target and a distal contrastive effect up to 1s before; and found that L1 and L2 speakers exhibited strikingly similar prosodic profiles in perception. We provide a novel method to investigate acoustic context effects across stimuli, timescales, and acoustic domain., Comment: Accepted to INTERSPEECH 2024

Published
2024

8. ANGUS: Real-time manipulation of vocal roughness for emotional speech transformations

Author

Liuni, Marco, Ardaillon, Luc, Bonal, Louise, Seropian, Lou, and Aucouturier, Jean-Julien

Subjects
Computer Science - Sound, Quantitative Biology - Neurons and Cognition
Abstract

Vocal arousal, the non-linear acoustic features taken on by human and animal vocalizations when highly aroused, has an important communicative function because it signals aversive states such as fear, pain or distress. In this work, we present a computationally-efficient, real-time voice transformation algorithm, ANGUS, which uses amplitude modulation and time-domain filtering to simulate roughness, an important component of vocal arousal, in arbitrary voice recordings. In a series of 4 studies, we show that ANGUS allows parametric control over the spectral features of roughness like the presence of sub-harmonics and noise; that ANGUS increases the emotional negativity perceived by listeners, to a comparable level as a non-real-time analysis/resynthesis algorithm from the state-of-the-art; that listeners cannot distinguish transformed and non-transformed sounds above chance level; and that ANGUS has a similar emotional effect on animal vocalizations and musical instrument sounds than on human vocalizations. A real-time implementation of ANGUS is made available as open-source software, for use in experimental emotion reseach and affective computing.

Published
2020

13. The bag-of-frames approach: a not so sufficient model for urban soundscapes

Author

Lagrange, Mathieu, Lafay, Grégoire, Defreville, Boris, and Aucouturier, Jean-Julien

Subjects
Computer Science - Sound, Statistics - Machine Learning
Abstract

The "bag-of-frames" approach (BOF), which encodes audio signals as the long-term statistical distribution of short-term spectral features, is commonly regarded as an effective and sufficient way to represent environmental sound recordings (soundscapes) since its introduction in an influential 2007 article. The present paper describes a concep-tual replication of this seminal article using several new soundscape datasets, with results strongly questioning the adequacy of the BOF approach for the task. We show that the good accuracy originally re-ported with BOF likely result from a particularly thankful dataset with low within-class variability, and that for more realistic datasets, BOF in fact does not perform significantly better than a mere one-point av-erage of the signal's features. Soundscape modeling, therefore, may not be the closed case it was once thought to be. Progress, we ar-gue, could lie in reconsidering the problem of considering individual acoustical events within each soundscape.

Published
2014
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29. Shared intentions support coordination during improvised joint actions

Author

Goupil, Louise, Wolf, Thomas, Saint-Germier, Pierre, Aucouturier, Jean-Julien, and Canonne, Clément

Subjects
Life Sciences, Arts and Humanities, Social and Behavioral Sciences
Abstract

Human interactions are often improvised rather than scripted, which suggests that efficient coordination can emerge even when collective plans are largely underspecified. One possibility is that such forms of coordination rely on low-level mutual influences between interactive partners, and on perception-action couplings such as entrainment or mimicry. Yet, some improvised joint actions appear difficult to explain solely by appealing to these low-level mechanisms, and both agents’ subjective reports and the complexity of their interactions suggest that shared intentions may sometimes emerge in the course of collective improvisations to support coordination, even in the absence of verbal communication. Here we test this hypothesis in four experiments, and find that shared intentions spontaneously emerge during collective musical improvisations, and that they foster coordination on multiple levels. We also show that musicians deploy communicative strategies to manifest and propagate goals within the group, and that such goals transparency predict better coordination. Our results show that improvised and scripted joint actions are more continuous with one other than it first seems, and that they differ merely in the extent to which they rely on emergent or planned coordination mechanisms.

Published
2022
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30. Making a Robot Dance to Music Using Chaotic Itinerancy in a Network of FitzHugh-Nagumo Neurons

Author

Aucouturier, Jean-Julien, Ogai, Yuta, Ikegami, Takashi, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Ishikawa, Masumi, editor, Doya, Kenji, editor, Miyamoto, Hiroyuki, editor, and Yamakawa, Takeshi, editor

Published
2008
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37. Even violins can cry: specifically vocal emotional behaviours also drive the perception of emotions in non-vocal music

Author

Bedoya, D, Arias, P, Rachman, L, Liuni, M, canonne, Clément, Goupil, Louise, Aucouturier, Jean-Julien, Institut de Recherche et Coordination Acoustique/Musique (IRCAM), Franche-Comté Électronique Mécanique, Thermique et Optique - Sciences et Technologies (UMR 6174) (FEMTO-ST), Université de Technologie de Belfort-Montbeliard (UTBM)-Ecole Nationale Supérieure de Mécanique et des Microtechniques (ENSMM)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Centre National de la Recherche Scientifique (CNRS), and Femto-st, AS2M

Subjects
[SPI.AUTO] Engineering Sciences [physics]/Automatic, [INFO.INFO-DS]Computer Science [cs]/Data Structures and Algorithms [cs.DS], [INFO.INFO-DS] Computer Science [cs]/Data Structures and Algorithms [cs.DS], ComputingMilieux_MISCELLANEOUS, [SPI.AUTO]Engineering Sciences [physics]/Automatic
Abstract

International audience

Published
2021

38. Controlling dyadic interactions with real-time smile transformations

Author

Arias, Pablo, Bedoya, Daniel, Johansson, Petter, Hall, Lars, Aucouturier, Jean-Julien, Lund University Cognitive Science, Equipe Perception et design sonores, Sciences et Technologies de la Musique et du Son (STMS), Institut de Recherche et Coordination Acoustique/Musique (IRCAM)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche et Coordination Acoustique/Musique (IRCAM)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), Représentations musicales (Repmus), Institut de Recherche et Coordination Acoustique/Musique (IRCAM)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche et Coordination Acoustique/Musique (IRCAM)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Franche-Comté Électronique Mécanique, Thermique et Optique - Sciences et Technologies (UMR 6174) (FEMTO-ST), Université de Technologie de Belfort-Montbeliard (UTBM)-Ecole Nationale Supérieure de Mécanique et des Microtechniques (ENSMM)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Centre National de la Recherche Scientifique (CNRS), and ircam, ircam

Subjects
Interactions, [SDV.NEU.SC]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Cognitive Sciences, Speed Dating, [SDV.NEU.SC] Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Cognitive Sciences, Smiles, Face transformation, Social cognition
Abstract

International audience; Although it is known that imitating other's displays during conversations can lead to better conversation outcomes, it is not known if these effects are mediated by participants' sharing of emotional states or by emergent social dynamics. Using real time face manipulation during a speed dating task, we found evidence for a causal and emergent effect of expressive alignment on conversation outcomes.

Published
2021

42. Vers un appareillage auditif personnalisé qui préserve les émotions

Author

Aucouturier, Jean-Julien, Sciences et Technologies de la Musique et du Son (STMS), Institut de Recherche et Coordination Acoustique/Musique (IRCAM)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), and Aucouturier, Jean-Julien

Subjects
[INFO.INFO-TS]Computer Science [cs]/Signal and Image Processing, [INFO.INFO-TS] Computer Science [cs]/Signal and Image Processing, [SCCO.NEUR]Cognitive science/Neuroscience, [SCCO.NEUR] Cognitive science/Neuroscience, [SCCO.PSYC] Cognitive science/Psychology, [INFO.INFO-SD]Computer Science [cs]/Sound [cs.SD], [SCCO.PSYC]Cognitive science/Psychology, [INFO.INFO-SD] Computer Science [cs]/Sound [cs.SD]
Abstract

International audience; Les résultats scientifiques de la psychoacoustique et des sciences de l'audition décrivent principalement les mécanismes bas-niveau permettant à un auditeur d'extraire les dimensions fondamentales d'un son, comme sa hauteur ou son intensité, ainsi que les caractéristiques permettant de comprendre la parole. La préservation de ces caractéristiques sonores a été traditionnellement, et à juste titre, la cible privilégiée de l'appareillage auditif. Cependant, notre utilisation quotidienne du son et de la parole ne se limite pas à sa seule détection et compréhension, mais englobe aussi toute une série de mécanismes haut-niveau permettant, par exemple, de percevoir une intonation bienveillante ou moqueuse chez notre interlocuteur, de reconnaître le timbre de voix particulier d'un proche, ou d'apprécier l'émotion joyeuse ou triste d'une mélodie musicale. Alors que ces mécanismes de perception haut-niveau sont aujourd'hui relativement bien étudiés dans le domaine visuel (Jack & Schyns, 2015), nous manquons encore de recul sur les caractéristiques sonores à préserver pour faciliter ce genre de traitements chez la personne appareillée auditivement.

Published
2019

43. Vocal markers of pre-operative anxiety: a pilot study

Author

Guerrier, Gilles, Lellouch, Laurent, Liuni, Marco, Vaglio, Andrea, Rothschild, Pierre-Raphaël, Baillard, Christophe, Aucouturier, Jean-Julien, Aucouturier, Jean-Julien, Assistance Publique-Hôpitaux de Paris, Department of Anaesthesia and Intensive Care, Hôpital Cochin, Paris, France, Sciences et Technologies de la Musique et du Son (STMS), Institut de Recherche et Coordination Acoustique/Musique (IRCAM)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Perception et design sonores (STMS-PDS), Institut de Recherche et Coordination Acoustique/Musique (IRCAM)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche et Coordination Acoustique/Musique (IRCAM)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), and Assistance Publique-Hôpitaux de Paris, Department of Ophthalmology, Hôpital Cochin, Paris, France

Subjects
[INFO.INFO-TS]Computer Science [cs]/Signal and Image Processing, [INFO.INFO-TS] Computer Science [cs]/Signal and Image Processing, [SCCO.NEUR]Cognitive science/Neuroscience, [INFO.INFO-SD]Computer Science [cs]/Sound [cs.SD], [SCCO.PSYC]Cognitive science/Psychology, [SCCO.NEUR] Cognitive science/Neuroscience, [SCCO.PSYC] Cognitive science/Psychology, [INFO.INFO-SD] Computer Science [cs]/Sound [cs.SD]
Abstract

International audience; Introduction Recent European guidelines in anaesthesia recommend systematic pre-operative anxiety management to prevent its negative peri-operative impact, 1 including impaired memorization of important instructions, and higher incidence of post-operative acute and chronic pain. Usual self-administered questionnaires or scales to assess anxiety in the preoperative setting are time-consuming and rely on the patients' willingness to comply with instructions. 2 Physiological signals such as patients' voice may provide useful information for objective, reliable, and accurate anxiety assessment before surgery. Because of the extensive parasympathetic innervation to the larynx, pharynx, face, and head, stress modifies vocal parameters. 3-4 The effects of acute anxiety on voice are poorly explored in the preoperative context. Our objective was to describe characteristics of patient's vocal parameters related to declared anxiety level in a day-care ophthalmic surgical unit performing cataract surgery.

Published
2019

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