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Communication Dans Un Congrès Année : 2022

From stereophonic to spatial audio processing: Voyage absolu des Unari vers Andromède by Iannis Xenakis

Résumé

Reproducing the creation circumstances of a musical piece is impossible even for electroacoustic works. The acoustic of the concert hall, loudspeaker setup, technology of diffusion and historical circumstances have changed from the concert's creation. When you need to transpose an electroacoustic work from a loudspeaker setup to another you have to answer a lot of questions and every choice you make assumes attentive sound experimentations. In a context of a collaboration between the Cité des Sciences et de l’Industrie and the CICM team of the Musidanse Laboratory (Paris 8 University), the UPIC works of Iannis Xenakis Voyage absolu des Unari vers Andromède will be performed at the Planetarium in march 2022. Composed in 1989 for an international exhibition of kites in Osaka, Temple Kamejama Hontokuji, Voyage absolu des Unari vers Andromède is a stereophonic piece. How can we take the opportunity of the diffusion setup of the Planetarium to spatialize this piece ? In the case of UPIC works it could be interesting to make spectrum adaptation too because of the sound result (commonly qualified of « tough ») due to the UPIC generators. Those questions will be handled with experimentations and analysis to propose a spatialization which will go beyond the stereophonic version while respecting the original work. This exploration will give rise to a durable algorithm for the diffusion which could be suitable for several technical specifications and diffusion setups with a particular ergonomic care.
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Dates et versions

hal-04383106 , version 1 (09-01-2024)

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  • HAL Id : hal-04383106 , version 1

Citer

Paul Goutmann, Alain Bonardi. From stereophonic to spatial audio processing: Voyage absolu des Unari vers Andromède by Iannis Xenakis. Centenary Internation Symposium Xenakis 22, National and Kapodistrian University of Athens; Université Paris 8; Friends of Xenakis Association; University of the Peloponnese, May 2022, Athens & Nafplio, Greece. ⟨hal-04383106⟩
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