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 Nowadays it is possible to hear what a building will sound like (when sound is produced within) even before it is built. 

 

Room acoustics modelling is a common tool where, using geometrical acoustics, octave-band echograms are predicted based on a three- dimensional model of a room.

 

Frequency dependent material properties (absorption, diffusion, semi-transparency) are assigned to room surfaces and frequency dependent source directivities are assigned to sound sources. From this information echograms and a great number of numerical measures e.g. speech intelligibility and reverberation times can be estimated.

 

Audio simulations and demonstrations can be used for presenting the subjective difference between various options.

 

Most commonly we are asked to demonstrate sounds associated with train noise (e.g. HS2), including re-radiated noise from London Underground’s train movements, acoustic privacy within office buildings or similar environments and also to illustrate the difference between design options associated with speech or music delivery in a room. Audio simulations inside open atria are also a common feature of our simulation demonstrations.  

Room Acoustics Modelling