Sensibles !Christian Lorenzi, Aliènor Bertrand, Jérôme Sueur, Pauline Marchetti
Conférence de Christian Lorenzi organisée par le département de physique.
Acoustic signals (e.g., speech or music sounds) are decomposed by the biomechanical filters in the cochlea into many narrow-frequency bands. Over the last decades, several psychophysical studies have reconsidered auditory perception processes on the basis of the two following assumptions : i) each narrowband signal resulting from cochlear filtering should be viewed as a sinusoidal carrier with superimposed amplitude modulation (AM, the “temporal envelope”) and frequency modulation (FM, the “temporal fine structure”), and ii) AM and FM cues are processed by partially distinct auditory mechanisms...
Thèmes : Physique , Sciences cognitives
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Christian Lorenzi
Institutions : Ecole normale supérieure-PSL
Cursus :
Christian Lorenzi est directeur de recherche CNRS, (Laboratoire des systèmes perceptifs (LSP), spécialiste de l'audition. Directeur des études scientifiques à l'ENS , il a été également directeur du département des sciences cognitives de l'ENS de 2009 à 2013.
Ses thèmes de recherche:
Etude de la perception auditive temporelle
Etude de la perception de la parole dans le silence et dans le bruit
Applications à la surdité périphérique et centrale
Dernière mise à jour : 14/11/2014
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