Hyunju Oh [*1988 in Daegu, South Korea] studied painting, media art and experimental art. Currently she studies sound art composition of exam program at Mainz School of Music. She has exhibited numerous times in Germany and received several competitions and grants. Her works are carried out not only by installation of simple sound object, but also by utilizing the theatrical radio drama and performative sounds. Through interplay between object with allegorical meaning and time-based sound, she experiments with transformation in space and perception. She use these characteristics to create a real space, a memory space and a mental-psychological space overlapped in same spatial range. Together with abstract sounds and sounds of specific emotional action, she try to withdraw an answer to multi-angled questions. In other words, it induces the audience to grasp the temporally changing situation through room-filling sounds in the exhibition space.