7thSense Design delivered updated video technology for the 2017 production of the Christmas Spectacular Starring the Radio City Rockettes, presented by Chase. The full system technology upgrade transformed the world’s largest proscenium theatre and enabled video content to be displayed on all eight of the venue’s iconic proscenium arches.


A total of thirty-four 7thSense Infinity Media Servers output two channels each of single mode fibre 12G-SDI at 4096 x 2160 60fps 10-bit 4:2:2 resolution, into an Evertz EQX 12G fibre router and EMX multi-viewer system, offering A-B source redundancy with clean switching and monitoring before heading out to facility fibre distribution. For the first time ever, digital projections extend from the stage to all eight of Radio City Music Hall’s iconic ceiling arches, to help audiences feel immersed in the show. An expanded 36-channel bank of double-stacked Christie Boxer 4K30 projectors receive the server feeds for projection mapping, and four channels reach a brand new 8K x 4K LED wall with BOE tiles and VER Revolution M8 processors, spanning 94 x 43ft which provides a critical digital backdrop for the production. 


The 7thSense media server and management system is permanent, yet reconfigurable, to allow for touring artists and productions to integrate alternative projection and audio hardware for full flexibility and venue rental opportunities.

Each 7thSense server endpoint in the system utilises SSD playback, a feature now synonymous with the 7thSense media server range.

Design studio Obscura Digital was behind the new creative elements that envelop the theatre. batwin + robin productions, a New York-based multimedia design studio, re-created and enhanced existing video projection and LED content to utilise Radio City’s new projection system. 7thSense contracted Pro Sound & Video as partner in fit-out and installation of the equipment.

ALONG WITH THE INTEGRATED SYSTEM DESIGN, 7THSENSE DEVELOPED KEY NEW SOFTWARE FEATURES TO BOLSTER WORKFLOW: 7thSense Backpack runs on any control PC on the network, providing a simple crosspoint-style GUI for overviewing and distributing video sequences between a given master storage medium and any number of 7thSense server endpoint targets. It uses multi-threading for transfer speed. Batch and Cluster Recording was an expansion to the existing Record features built into 7thSense Delta, which are traditionally useful for carving the warped, blended and composited timeline output of a given server channel to a new sequence on disk. At Radio City, the Record feature was used to take the 14K projection deliverable, UV map it onto a 3D model of the space, and then render out individual 4096 x 2160 perspective carves for each projection zone, from the physical measured world position and lens characteristics of that physical projector.

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