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The PA system with 20 line array loudspeakers in the main hall of Copenhagen Central Station was modelled with Odeon. The total volume of the hall is about 190.000 m³ and it has a reverberation time of 4 s. The four line arrays in the centre of the hall have 32 units each and the other line arrays have 16 units, all with beam steering and different pre-delays. The speech intelligibility in terms of the STI was calculated by Odeon in a number of positions distributed over the hall, and the measured STI results show a nice agreement with the predictions. This case was made in collaboration with Duran Audio and AV-huset.


 

Calculations are optimised to be very fast. For the Elmia concert hall (470 surfaces) a typical point response including the ray tracing and BRIR takes 10 seconds, and a complete grid with 1109 receiver points takes only 12 minutes (Intel® Core™2 DUO CPU Esta dirección de correo electrónico está siendo protegida contra los robots de spam. Necesita tener JavaScript habilitado para poder verlo.). The convolution for auralisation is made in a few seconds, or almost in real time using streaming convolution.


Thorough project management is an important part of Odeon. Odeon ensures that results stored with a project are consistent. A project stored in the Odeon-ZipArchive contains all information needed for full documentation in one single file.


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