Sound and Homeomorphisms



Sound and Homeomorphisms
Colloque International : De Xenakis à nos jours : Le Continuum et son développement en musique et en architecture


There is a superficial, and yet fundamental paradox at the core of Xenakis' work: whilst being the creator of atomised sound (granular synthesis) he was also preoccupied with sound's continuity; or later on his career, while he openly promoted the techniques offered by digital synthesis (i.e. UPIC) he was critical of harmonic analysis and the synthesis derived from Fourier Transforms.

At a first glance, these positions may appear incompatible and incommensurable, but considering Xenakis' full awareness of the implicit problems in the aforementioned domains, this presentation would like to argue for possible ways that this fissure is in fact justifiable, by alluding to topological operations that reconcile the analog and the digital.

More specifically, the argument will mainly be exemplified in a transdisciplinary way by presenting personal work, in which rendered images taken from a parametrically designed piece of marble (designed by Arch-T) were used to as a compositional tool. The operations to and from the rendered images to the raw sound can be loosely defined mathematically as topological homeomorphisms.


Un fichier numérique uniquement



Centre Iannis Xenakis
European University of Cyprus
University of Cyprus
Université de Rouen
École nationale supérieure d'architecture de Normandie (Darnétal, Seine-Maritime)


Fichier vidéo numérique, .mp4



moving image


46 minutes 05 seconds



Vasquez Hadjilyra, Oswald Emiddio. Conférencier and European University of Cyprus, “Sound and Homeomorphisms,” Centre Iannis Xenakis, accessed January 21, 2019,

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