Calculation of Room Impulse Reponse and Acoustic Parameters by Finite-difference Time-domain Method
Huang Kunpeng and Zhao Yuezhe
DOI:10.11835/j.issn.1674-4764.2013.03.025
Received ,Revised , Accepted , Available online July 01, 2015
Volume ,2013,Pages 157-161
- Abstract
The administrator boundaries in room were modeled by digital filters of complex impedance in finite-difference time-domain (FDTD) method. Doors, windows and walls were described respectively by their complex impedance boundaries with digital filters. Impulse responses in a room were calculated with the FDTD model, and typical room acoustics parameters were obtained from the responses. The high correlation coefficients between the calculated and measured impulse responses and the good agreement in acoustic parameters show that sound field in room can be properly simulated by this FDTD model.