Daniela Kutschat, Rejane Cantoni, »OP_ERA: Sonic Dimension«, 2005, steel frame (free-standing), 3 projection screens, 72 photosensors on metal rails, 72 reflecting mirrors, microphone, 4 speakers (active), SPC (CLP Atos IHM 2002.97), 3 computers (PC), operating system (Windows XP), custom software, three sound cards (Audigy 4.0), 3 graphics cards (NVIDIA GFX 6700), audio mixer, 3 projectors, 360 x 310 x 310 cm, installation dimensions variable. ZKM | Center for Art and Media © Daniela Kutschat, Rejane Cantoni; Photo © ZKM | Center for Art and Media, Photo: Anatole Serexhe