Broadcast Solutions and WDR Develop Two New Radio OB Vans posted: 04/02/2021
Broadcast Solutions GmbH, together with WDR, has designed and built two new, identically designed, radio trucks for the German public broadcaster, already in use at the Cologne station. WDR is the biggest broadcaster in the German association of public broadcasters - ARD. The two vehicles are part of an overall package that includes a third video OB van. The three vehicles fit perfectly together, leveraging the latest interconnectivity technology and can work together in larger productions with ease. During larger productions, it could be possible that the audio control in the video OB van is no longer sufficient. In these cases, the audio control can be fully outsourced to one of the radio OB vans, with the audio control in the video OB truck being controlled in the radio OB. Both vehicles are connected via one fibre-optic cable, to exchange data and audio and video signals.
An essential goal of the customer WDR was to obtain two smaller radio OB vans that offer the same functionalities and acoustic values as larger vehicles. Broadcast Solutions designed the OB vans as transporter-like vehicles with box bodies, weighing less than 7.5 tonnes when fully equipped. The main challenge for Broadcast Solutions was the planning and installing the overall acoustic insulation. With a lower overall weight as in larger vehicles, the insulation has to offer the same sound insulation characteristics as in larger vehicles in which a higher weight is dedicated especially to insulation.
Further challenges were providing sufficient storage space, the extensive technical equipment and the deployment of a UPS, given the demanding mark of less than 7.5 tonnes total weight.
Broadcast Solutions paid just as much attention to an excellent acoustic environment inside the radio trucks. The vehicles have enough storage space to carry all the necessary materials (microphones, tripods, etc.), making a redundant support truck redundant. Both vehicles are equipped with a UPS that ensures autonomous battery operation for up to 90 minutes.
The audio control uses a Lawo console (mc 56 MKIII with 48 faders) with Lawo Nova 73 Core. A Riedel MicroN system is used to connect to the video truck and as a video router.
To easily connect a radio truck with a video OB van and simplify control, Broadcast Solutions deployed the hi human interface control system (an in-house development) in all three trucks. Simplified and touch-based user interfaces make it easy for WDR technicians to configure a vehicle or a group of vehicles without calling on external support. Further-on the trucks are equipped with the Riedel MicroN HD (radio vans) / UHD (video OB van) router system, which in the UHD version enables up to 400G backbone connectivity simplifying the connection and signal transport between the vehicles. One single optical fibre line is used to connect the two vehicles.
Technical data WDR radio van:
Vehicle
Type IVECO Daily 70C18A8/P
Gross vehicle weight 7.49 t
Vehicle length 7600 mm
Vehicle width 2300 mm
Vehicle height 440 mm
Workspaces Audio control room and equipment room
Workplaces Workstations for sound engineer, sound technician and sound editor
UPS system for 90min battery operation of the entire vehicle
Hydraulic system for stabilising supports
To meet the requirements of the customer WDR, Broadcast Solutions installed the following equipment in the two radio vehicles.
Audio system
Audio console LAWO mc 56 MKIII audio mixer with 48 faders
Audio router LAWO Nova73 audio router
Audio I/O DIRECTOUT
Stageboxes 2x LAWO mc Compact I/O
Audio workstation 2x Steller high-end audio DAW
Monitoring loudspeaker GENELEC 8341 AP
Effect units LEXICON, WAVES, TC-ELECTRONIC, MAGIX, UAD
Intercom RIEDEL Artist 32
Radios RIEDEL Riface
Clock generator TEKTRONIX SPG8000A
Video matrix RIEDEL MicroN HD
Control system hi human interface
Video recorder BMD Hyperdeck
Monitors 2x 32 PHILIPS, 5x24 IIYAMA
PTZ camera PANASONIC
IT system
Network switches 2x FORTINET 48-port
Firewall FORTINET
PC 5x FUJITSU, APPLE
KVM system IHSE Draco tera enterprise with 48 ports
Transmission system FORTINET LTE
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Broadcast Solutions and WDR Develop Two New Radio OB Vans posted: 04/02/2021 
