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STADIUM FAÇADES / PERU NATIONAL STADIUM, LIMA, PERU


103


FOLLOWING THE CROWD


Most sporting stadia spend the majority of their life dormant, only truly coming to life when filled with fans – their collective voices rising and falling as they slip through various states of anxious anticipation, rejoice and despair. Nowhere is this truer than Peru’s National Stadium where, thanks to a multi- million dollar refurbishment, the action on the field and the mood of the crowd is now writ large on the stadium’s new dynamic LED façade - providing an external expression of the action taking place inside. The innovative new system is the work of a team of experts brought together by Lima- based lighting designers CAM in order to realise their ambitious scheme in just 100 days - the time remaining until the National Stadium’s grand re-opening. The project comprised two elements. First, an intelligent control system that could analyse audio inputs from microphones


A collaborative team of lighting experts snatched victory in the closing minutes of play to deliver a stadium façade that reacts to the crowd.


placed in the roof above spectators, using the data to select appropriate preprogrammed light schemes for the exterior. Second, an LED façade capable of delivering a dynamic range of impressive lighting displays without pushing the development over budget. The first element was the responsibility of Cinimod Studio, a London-based, cross- discipline practice specialising in the fusion of architecture and technologically advanced lighting design. Cinimod used modified microphones and data hardware that were originally designed for industrial applications. The signal from these is converted for long distance data transmissions and sent live to the control room for processing. Here a specially developed server undertakes real-time analysis of the crowd noise and categorises it as one of four moods:


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