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ESC Reporter | October 21, 2017

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Danish invention to ensure great acoustics for Eurovision 2014

Danish invention to ensure great acoustics for Eurovision 2014
Frederik
  • On April 5, 2014
  • http://escreporter.com

The last time Denmark hosted the Eurovision Song Contest, it took place at the large Parken Stadium. One of the biggest complaints was the terrible acoustics.

This year, the Danish broadcaster DR has once again chosen a very large venue not originally intended for concert or TV production.

 

Sound reducing balloons

But, a Danish invention will come to the rescue. Today, DR published an article describing the AqFlex balloons that are being suspended in the ceilings of B&W Hallerne to reduce the reverberation time of the sound that travels around the venue.

The balloons are flat when off, but will inflate once turned on. A total of 150 will be suspended.

 

AqFlex

 

In B&W Hallerne’s current state, the sound takes 13,2 seconds to die out. The balloons will attempt to reduce that to just three seconds, giving a much better acoustic experience for the audience.

The inventor, Niels Werner Adelman-Larsen, claims that his invention is especially good at reducing the muddy sound resulting from the high bass in loud, rhythmical music, which tends to echo in large rooms.

The balloons are already being suspended at the Eurovision venue, and also reveal that the grand stands for the audience appear to have been constructed.

 

AqFlex balloons April 5

Niels Werner Adelman-Larsen/Flex Acoustics

 

 

60.000 square meters of fabric

The balloons are not the only tool in play when the team behind this year’s Eurovision attempt to convert old shipbuilding halls into a big concert venue. Molton, a black sound-absorbing fabric, will also be used to further improve the sound.

Three to four layers of molton will be used, needing a total of 60.000 square meters of fabric.

 

 

The sound will be better than Parken in 2001

DR’s acoustic specialist and sound designer Eddy Bøgh Brixen ensures that the sound experience of 2001 will not be repeated.

“It will be better than Parken, I guarantee it! And that’s in spite of B&W Hallerne having a longer reverberation time. If the 10.000 people in the audience don’t have a party, you have nothing to broadcast. And the charisma of the artists depend on the audience. It’s all linked and must be right. It’s in everybody’s interest that the acoustics are good,” he said to dr.dk.

 

 

DR lets more stage sneak peeks slip out

Previously, we have seen brief sneak peeks of the 2014 Eurovision stage. First, at the Heads of Delegations meeting, and later, when the lighting designer was interviewed by DR.

Today, at Eurovision in Concert in Amsterdam, the Head of Show, Jan Lagermand Lundme, revealed new renderings.

 

 

The first render is most likely a wide shot of the venue, with the green room in the foreground, showing the stage in the distance and standing audience space in between.

The second rendering reveals that the stage floor will either be covered in LED or be very reflective. Additionally, it appears that runways extend on either side of the stage, probably for the artists to walk to the green room.

 

 

DR

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