Array loudspeakers in Copenhagen Central Station

The new PA system with 20 line array loudspeakers in the main hall of Copenhagen central Railway station has been modelled with Odeon. The hall is about 190000 m3 and has a reverberation time of 4 s. The loudspeaker installations were made in collaboration with Duran Audio and AV-huset.

You can also listen to the auralisation with the 20 array loudspeakers by scrolling further down this page.

station1

It is a challenge to achieve reasonable speech intelligibillity in this large main hall with a reverberation time of 4 seconds. You will find the achieved STI further down in this page.

 

staiton2

Most of the installed line arrays have 16 units like the one above and the four central line arrays have 32 units each. All line arrays have beam steering and different pre-delays of the Intellivox type.

station2

In the Odeon array source editor you will have the nearfield balloon, the far field balloon and the distribution of the direct sound from the array loudspeaker in question. These are shown above for the Intellivox array loudspeaker with 16 units.

station4

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 along with other parameters shows a fine agreement with the predictions.

play_circle_filled
pause_circle_filled
Lady Speaking
volume_down
volume_up
volume_off
play_circle_filled
pause_circle_filled
Remote Loudspeaker
volume_down
volume_up
volume_off
play_circle_filled
pause_circle_filled
Complete system
volume_down
volume_up
volume_off