Psychoacoustic assessment of simulated and measured rooms
- Research Area:
- Raum- und Bauakustik
Room acoustics simulations offer the possibility to predict the acoustical characteristics of a room before it has been built or in case of a planned modification. For existing rooms, the room acoustics can be captured by conducting a measurement of the room impulse response. To adjust for the human perception, a binaural room impulse response can be measured using a dummy head. These binaural room impulse responses can be applied for validations of simulated results of the same room. By convolution with an anechoic sound file, the measured or simulated room can be made audible – this process is called auralization. This thesis investigates the differences of simulated and measured binaural room impulse responses of various rooms. As a room acoustics simulation includes complex input data and various configuration possibilities, the measured results are used as a reference. By using an optimization process, one or more parameters of the simulated room impulse response can be selected and matched to the measurements. In this work a listening experiment has to be conducted which compares the perception of a simulated and a measured room. Weaknesses in the simulation engine and the filter synthesis should be identified. "earliest start: Middle of May/End of June 2017"