Providing temporary use of on-line non-downloadable computer software for creating room models for acoustic simulation, acoustic measurement, and acoustic analysis; Providing temporary use of on-line non-downloadable computer software for controlling and monitoring loudspeakers over a computer network; Providing temporary use of on-line non-downloadable computer software for acoustic simulation and modelling; Software as a service (SAAS) services featuring software for acoustic simulation for designing sound space; Providing temporary use of on-line non-downloadable computer software for use in creating virtual reality models and environments; Providing temporary use of on-line non-downloadable computer software for the modelling and projection of virtual audio equipment; Providing temporary use of on-line non-downloadable computer software for the acoustic modeling of structures and acoustic devices; Providing temporary use of on-line non-downloadable computer software for the localization, visualization, quantification and auralization of sound sources; Providing temporary use of on-line non-downloadable computer software for 2D and 3D modelling in the fields of electro-acoustics and room-acoustics