Spatialisation du son et programmation par contraintes : le système MusicSpace

Tools for sound spatialization, although they might be nowadays very efficient, are often misused because they don’t provide their users with consistent and meaningful means for controlling the sound scene. Particularly, it is not possible to specify and maintain the important relationships that exist between the different sound sources of an auditory scene and that are necessary to ensure the consistency of the result. We propose, in order to address this problem, the use of constraint programming which provides means for establishing arbitrary relations between the variables of a system, as well as algorithmic means for solving the problems that are being posed. These ideas are integrated in our software prototype, MusicSpace, which gathers together a constraint solving toolkit, a graphical user interface for representing and editing the auditory scene and communication means for controlling existing spatialization systems. The initial motivations for this research are applied and confirmed within the experimentation phase of our system, which consists in a number of case studies.

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