Vincent Roussarie | PSA Peugeot Citroën (original) (raw)
Papers by Vincent Roussarie
2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2016
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Among environmental sounds, we have chosen to study a class of action-related impact sounds: auto... more Among environmental sounds, we have chosen to study a class of action-related impact sounds: automobile door closure sounds. We propose to describe these sounds using a model composed of perceptual properties. The development of the perceptual model was derived from the evaluation of many door closure sounds measured under controlled laboratory listening conditions. However, listening to such sounds normally occurs within a natural context, which probably modifies their perception. We therefore need to study differences between the real situation and the laboratory situation by following standard practices in order to specify the precise listening conditions and observe the influence of previous learning, expectations, action-perception interactions, and attention given to sounds. Our process consists in doing in situ experiments that are compared with specific laboratory experiments in order to isolate certain influential, context dependent components. Euronoise 2006, Tampere, Finl...
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Journal of Vestibular Research, 2015
Self-motion perception, which partly determines the realism of dynamic driving simulators, is bas... more Self-motion perception, which partly determines the realism of dynamic driving simulators, is based on multisensory integration. However, it remains unclear how the brain integrates these cues to create adequate motion perception, especially for curvilinear displacements. In the present study, the effect of visual, inertial and visuo-inertial cues (concordant or discordant bimodal cues) on self-motion perception was analyzed. Subjects were asked to evaluate (externally produced) or produce (self-controlled) curvilinear displacements as accurately as possible. The results show systematic overestimation of displacement, with better performance for active subjects than for passive ones. Furthermore, it was demonstrated that participants used unimodal or bimodal cues differently in performing their activity. When passive, subjects systematically integrated visual and inertial cues even when discordant, but with weightings that depended on the dynamics. On the contrary, active subjects were able to reject the inertial cue when the discordance became too high, producing self-motion perception on the basis of more reliable information. Thereby, multisensory integration seems to follow a non-linear integration model of, i.e., the cues' weight changes with the cue reliability and/or the intensity of the stimuli, as reported by previous studies. These results represent a basis for the adaptation of motion cueing algorithms are developed for dynamic driving simulators, by taking into account the dynamics of simulated motion in line with the status of the participants (driver or passenger).
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ABSTRACT
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Among environmental sounds, we have chosen to study a class of action-related impact sounds: auto... more Among environmental sounds, we have chosen to study a class of action-related impact sounds: automobile door closure sounds. We propose to describe these sounds using a model composed of perceptual properties. The development of the perceptual model was derived from the evaluation of many door closure sounds measured under controlled laboratory listening conditions. However, listening to such sounds normally occurs within a natural context, which probably modifies their perception. We therefore need to study differences between the real situation and the laboratory situation by following standard practices in order to specify the precise listening conditions and observe the influence of previous learning, expectations, action-perception interactions, and attention given to sounds. Our process consists in doing in situ experiments that are compared with specific laboratory experiments in order to isolate certain influential, context dependent components.
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Les véhicules électriques ou hybrides circulant à faible vitesse en zones urbaines sont plus dang... more Les véhicules électriques ou hybrides circulant à faible vitesse en zones urbaines sont plus dangereux pour les vulnérables (piétons, cyclistes) que les véhicules à moteur thermique, du fait qu'ils se déplacent en silence. En réponse à ce problème sécuritaire, une réglementation pourrait, à terme, imposer un générateur de son extérieur à ce type de véhicules. La problématique principale posée est celle de l'efficacité de ces systèmes de sonification : quels sons créer et comment les contrôler pour qu'ils renseignent correctement sur l'approche d'un véhicule en mouvement. Des premiers tests ont été menés concernant la détectabilité des sons de synthèse issus d'un générateur sonore vs ceux des moteurs thermiques conduisant à des préconisations en niveau et sonie en fonction de la vitesse du véhicule. Ces tests ont révélé des différences notables de temps de détection entre les sons de synthèse du test, qui ne pouvaient pas être expliquées par les calages en niv...
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Journal of vestibular research : equilibrium & orientation, 2011
Tilt-coordination is a technique which uses the tilt-translation ambiguity of the vestibular syst... more Tilt-coordination is a technique which uses the tilt-translation ambiguity of the vestibular system to simulate linear accelerations on dynamic driving simulators, in combination with real linear accelerations. However, the tilt/translation ratio is chosen empirically. We experimentally determine the most realistic tilt/translation ratio to simulate a given value of deceleration. Under specific conditions of driving simulation, five tilt/translation ratios were applied, with an inverse-proportional quantity of tilt and translation, so that the sum of the two (the proportion of the deceleration simulated by translational motion and the proportion simulated by tilt) was always equal to the same overall value (0.8 m/s(2)). We find that different ratios lead to different perceptions, depending on the quantity of tilt and translation. With a higher tilt ratio, the braking is perceived as being stronger than when there is a higher translation ratio and the most realistic tilt/translation ...
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The Journal of the Acoustical Society of America, 2014
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Lecture Notes in Computer Science, 2010
... Jean-François Sciabica1,2, Marie-Céline Bezat1, Vincent Roussarie1, Richard Kronland-Martinet... more ... Jean-François Sciabica1,2, Marie-Céline Bezat1, Vincent Roussarie1, Richard Kronland-Martinet2, and Sølvi Ystad2 ... In order to test some perceptive signal properties, a synthesis system call Hartis (Harmonic Real Time Synthesis) was developed at the PSA Research Center [8 ...
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2011 IEEE Virtual Reality Conference, 2011
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Multisensory Research, 2013
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2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2016
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Among environmental sounds, we have chosen to study a class of action-related impact sounds: auto... more Among environmental sounds, we have chosen to study a class of action-related impact sounds: automobile door closure sounds. We propose to describe these sounds using a model composed of perceptual properties. The development of the perceptual model was derived from the evaluation of many door closure sounds measured under controlled laboratory listening conditions. However, listening to such sounds normally occurs within a natural context, which probably modifies their perception. We therefore need to study differences between the real situation and the laboratory situation by following standard practices in order to specify the precise listening conditions and observe the influence of previous learning, expectations, action-perception interactions, and attention given to sounds. Our process consists in doing in situ experiments that are compared with specific laboratory experiments in order to isolate certain influential, context dependent components. Euronoise 2006, Tampere, Finl...
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Journal of Vestibular Research, 2015
Self-motion perception, which partly determines the realism of dynamic driving simulators, is bas... more Self-motion perception, which partly determines the realism of dynamic driving simulators, is based on multisensory integration. However, it remains unclear how the brain integrates these cues to create adequate motion perception, especially for curvilinear displacements. In the present study, the effect of visual, inertial and visuo-inertial cues (concordant or discordant bimodal cues) on self-motion perception was analyzed. Subjects were asked to evaluate (externally produced) or produce (self-controlled) curvilinear displacements as accurately as possible. The results show systematic overestimation of displacement, with better performance for active subjects than for passive ones. Furthermore, it was demonstrated that participants used unimodal or bimodal cues differently in performing their activity. When passive, subjects systematically integrated visual and inertial cues even when discordant, but with weightings that depended on the dynamics. On the contrary, active subjects were able to reject the inertial cue when the discordance became too high, producing self-motion perception on the basis of more reliable information. Thereby, multisensory integration seems to follow a non-linear integration model of, i.e., the cues' weight changes with the cue reliability and/or the intensity of the stimuli, as reported by previous studies. These results represent a basis for the adaptation of motion cueing algorithms are developed for dynamic driving simulators, by taking into account the dynamics of simulated motion in line with the status of the participants (driver or passenger).
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ABSTRACT
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Among environmental sounds, we have chosen to study a class of action-related impact sounds: auto... more Among environmental sounds, we have chosen to study a class of action-related impact sounds: automobile door closure sounds. We propose to describe these sounds using a model composed of perceptual properties. The development of the perceptual model was derived from the evaluation of many door closure sounds measured under controlled laboratory listening conditions. However, listening to such sounds normally occurs within a natural context, which probably modifies their perception. We therefore need to study differences between the real situation and the laboratory situation by following standard practices in order to specify the precise listening conditions and observe the influence of previous learning, expectations, action-perception interactions, and attention given to sounds. Our process consists in doing in situ experiments that are compared with specific laboratory experiments in order to isolate certain influential, context dependent components.
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Les véhicules électriques ou hybrides circulant à faible vitesse en zones urbaines sont plus dang... more Les véhicules électriques ou hybrides circulant à faible vitesse en zones urbaines sont plus dangereux pour les vulnérables (piétons, cyclistes) que les véhicules à moteur thermique, du fait qu'ils se déplacent en silence. En réponse à ce problème sécuritaire, une réglementation pourrait, à terme, imposer un générateur de son extérieur à ce type de véhicules. La problématique principale posée est celle de l'efficacité de ces systèmes de sonification : quels sons créer et comment les contrôler pour qu'ils renseignent correctement sur l'approche d'un véhicule en mouvement. Des premiers tests ont été menés concernant la détectabilité des sons de synthèse issus d'un générateur sonore vs ceux des moteurs thermiques conduisant à des préconisations en niveau et sonie en fonction de la vitesse du véhicule. Ces tests ont révélé des différences notables de temps de détection entre les sons de synthèse du test, qui ne pouvaient pas être expliquées par les calages en niv...
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Journal of vestibular research : equilibrium & orientation, 2011
Tilt-coordination is a technique which uses the tilt-translation ambiguity of the vestibular syst... more Tilt-coordination is a technique which uses the tilt-translation ambiguity of the vestibular system to simulate linear accelerations on dynamic driving simulators, in combination with real linear accelerations. However, the tilt/translation ratio is chosen empirically. We experimentally determine the most realistic tilt/translation ratio to simulate a given value of deceleration. Under specific conditions of driving simulation, five tilt/translation ratios were applied, with an inverse-proportional quantity of tilt and translation, so that the sum of the two (the proportion of the deceleration simulated by translational motion and the proportion simulated by tilt) was always equal to the same overall value (0.8 m/s(2)). We find that different ratios lead to different perceptions, depending on the quantity of tilt and translation. With a higher tilt ratio, the braking is perceived as being stronger than when there is a higher translation ratio and the most realistic tilt/translation ...
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The Journal of the Acoustical Society of America, 2014
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Lecture Notes in Computer Science, 2010
... Jean-François Sciabica1,2, Marie-Céline Bezat1, Vincent Roussarie1, Richard Kronland-Martinet... more ... Jean-François Sciabica1,2, Marie-Céline Bezat1, Vincent Roussarie1, Richard Kronland-Martinet2, and Sølvi Ystad2 ... In order to test some perceptive signal properties, a synthesis system call Hartis (Harmonic Real Time Synthesis) was developed at the PSA Research Center [8 ...
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2011 IEEE Virtual Reality Conference, 2011
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Multisensory Research, 2013
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