Professor of musicology at the University Paris 8 and director of the research team MUSIDANSE. He has published many books and articles about new music. His main fields of research are the focus on sound, the notion of musical space, new musical technics and technologies, the mutations of listening… He is also one of the main international Xenakis’ specialists, to whom he devoted many publications and symposiums. He is co-founder of the review Filigrane. Musique, esthétique, sciences, société. His last book deals with an important mutation of today’s music: From Music to Sound. The Emergence of Sound in 20th- and 21st-Century Music (Routledge, 2019). His recent researches focus on sound ecology and on performing Xenakis’ music (both instrumental and electroacoustic). His new book Exploring the Ecologies of Music and Sound. The Living, the Mental and the Social in today’s Music, Sound Art and Artivisms (working title) will be published by Routledge. He is co-organizing the Xenakis 22: Centenary International Symposium.