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FIS Summer Ski-Jumping Grand Prix Audio with K.M.E. PANO
Vogtland-Arena Klingenthal provided the setting for this year’s FIS summer Grand Prix final in the special ski-jumping discipline. Fifty ski-jumping contestants from 13 nations competed against each other in order to gain the last world cup points in the German Czech winter sports centre at Europe’s state-of-the-art ski-jumping arena from 5-6 October. The event attracted 13.600 enthusiastic fans, amongst others from Japan, Poland and Germany, presented as a live television broadcast. KS IT and media service/Jobel productions provided the technical organisation for live transmission, sound and technical infra-structure.
Eight K.M.E. sound systems each comprising three line array tops QL 906s and three bass QLB 118s were placed around the ramp (approx. 160 m long x 40 m deep) after previous simulation in the stadion. Power supplies and signal infra-structure were also put into place, following simulation and fitted perfectly on site. Defined dispersion characteristic of 90° x 6° per element, excellent reverse attenuation and superb stacking properties were the main criteria for the K.M.E. PANO line array. This resulted in an excellent homogeneous sound for the entire spectator area with an average SPL of maximum 122 dB while undesirable parasitic irradiation which can be disruptive for broadcasting sound was successfully eliminated. The simulation results proved more than satisfactory in the actual site surroundings. The PANO Line array offers compact dimensions, unobtrusive design, i.e. it does not interfere with the view of the spectators onto the ramp and most importantly it did not obstruct the view on TV.
In addition to the external musical stage direction and two sports presenters in the area, the live sound sources were provided by another two in the distant referee tower block where sports commentators worked via an audio network and MAZ unit plus a video player. Also, the stage was acoustically set up via a show truck placed at the side of the spectator / catering areas which also made a live performance show possible prior to the actual sports event featuring various artists.
The entire sound system was activated through the central control room via 12 single routable redundant broadcasting lines. It would have also been possible to selectively reach all the public press and V.I.P.areas, especially in case of an emergency. The remote control of the digital controller DAP 26 was integrated into the complex glass fibre network via a JOBEL media converter. The position and layout of the control room did not allow a reliable remote assessment of the actual sound levels and sound perceivability in the spectator areas through the system’s high reverse attenuation, therefore three fixed transmitters (M296S) were positioned beside the ‘manual’ controls, which were separately fed through to an analyzer and the monitoring system. The sound level distribution and the level system cut over worked well from the distance, although setting up the equipment in a ski-stadion had its limitations.
VSC Klingenthal as the local organiser and the FIS representatives were delighted by the atmosphere of the crowd and the powerful sound in the stadion which contributed towards the great success of the event.
17th October 2007
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