International round-robin on auralisation

Project Description

Whenever room acoustical simulations are compared to room acoustical measurements, significant differences are obvious. Results of previous studies in this field indicated that errors may particularly

Data Access

The Ground Truth for Room Acoustical Simulation (GRAS) database is now available from https://dx.doi.org/10.14279/depositonce-6726.

Reflector array

reflection on an array of nine finite plates comparable to ceiling reflectors in concert halls

Coupled rooms

Medium room

chamber music hall at Konzerthaus Berlin (V=1890 m³)

Large room

audiomax at technical university Berlin (V=8500 m³)

SIMPLE REFLECTION

reflection of an infinite plate with rigid, absorbing, and diffusing surface

SIMPLE REFLECTION

reflection of an infinite plate with rigid, absorbing, and diffusing surface

MULTIPLE REFLECTION

flutter echo between two parallel, finite plates