This term was proposed by François Bayle to designate the concert spatialisation of acousmatic works. However, it is sometimes used as a synonym for the spatialisation itself.
See also:Diffusion, Loudspeaker Orchestra, Spatialisation
Bibliography: Dufour, Denis, Prager, Jonathan, Baudoux, Roald (2002). Interview Denis Dufour et Jonathan Prager (1/2)
Prager, Jonathan, Coppe, Dimitri (2005). Acousmaxi ou acousmini ? Motus, mais pas bouche cousue...