Calculate Quadratic Residue Acoustic Diffuser
Phil B
Want to take the easy route? Check out our QRD Diffuser Well Depth Calculator What is a quadratic residue diffuser? The Quadratic Residue Diffuser (QRD) was developed by an OG scientist, Manfred Schroeder. He made significant contributions to the science of sound, particularly in how it behaves in rooms like auditoriums and studios. Schroeder created the QRD as a way to deal with common sound issues such as echoes and uneven acoustics. A QRD is a type of sound panel that scatters sound waves to