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Installation Spotlight: The Federal Palace, Bern, Switzerland

Nov 9, 2009 4:48 PM


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The National Council Hall has three zones that required audio reinforcement: the main hall, the stage area, and the balcony. Using advanced acoustical computer simulation techniques that included 3D modelling and auralization of the space, WSDG determined the system should offer very controlled directivity and high speech intelligibility. The installed system includes seven Nexo Geo S805 cabinets mounted on each side of a large painting, Stoll Audio Custom 
Picoline mini line-arrays with Lab.grubben amps address the stage, and more Picoline loudspeakers for the 
balacony.

The National Council Hall has three zones that required audio reinforcement: the main hall, the stage area, and the balcony. Using advanced acoustical computer simulation techniques that included 3D modelling and auralization of the space, WSDG determined the system should offer very controlled directivity and high speech intelligibility. The installed system includes seven Nexo Geo S805 cabinets mounted on each side of a large painting, Stoll Audio Custom Picoline mini line-arrays with Lab.grubben amps address the stage, and more Picoline loudspeakers for the balacony.

Due to acoustical feedback issues, the orientation of the stage and the chairperson's position, it was not possible to cover that area with the main loudspeaker system. To address this issue, WSDG specified a separate Stoll Audio Custom Picoline mini line-array loudspeaker system using 1in. full-range driver units, also powered by 26 Lab.gruppen amplifiers. This custom designed system was installed locally on top of the vintage table tops, and it fully ameliorates the situation. Noted for their diminutive size and sound quality, the Picoline loudspeakers were also used for sound reinforcement in the balcony areas.

"This is a protected historic building, and it was not possible to add massive acoustic treatments, so it was very important to have a directive system," Wenger says. "Acoustical measurements of speech intelligibility (among others) have been undertaken, and they nicely show the qualities of the upgraded system in comparison to the original one. The results are consistent with the simulations performed with CATT-Acoustic. Everyone is quite pleased."

The Delegates conference rooms were updated with Sony video projectors and  Marantz removable digital storage devices to archive
audio for transcription and translation. The most complex of these rooms have extensive AKG audioconference system that include microphones at all delegate positions and full simultaneous translating facilites for the three official Swiss languages: German, French, and Italian.

The Delegates conference rooms were updated with Sony video projectors and Marantz removable digital storage devices to archive audio for transcription and translation. The most complex of these rooms have extensive AKG audioconference system that include microphones at all delegate positions and full simultaneous translating facilites for the three official Swiss languages: German, French, and Italian.

Delegates conference rooms

In addition to the National Council Hall, the Parliament Building also offers extensive conference and meeting facilities for the parliamentary delegates, which are organized by a number of committees and work groups.

In the course of the building's renovation, all media systems in these spaces were updated as well. A basic infrastructural component, and therefore implemented in all rooms, is the option to record any and all meetings for transcription, translation, and archiving onto a removable Marantz digital storage device. For security and privacy reasons, these systems are managed and operated by special personnel. Most meetings are equipped with projectors and projection screens, and the most complex rooms have an extensive AKG audioconference system including microphones at all delegates' positions and full simultaneous translating facilities for the three official Swiss languages—German, French, and Italian. All media systems are controlled by a uniformly designed AMX touchpanel so that anyone familiar with operating room A can similarly operate room B or C.



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