Digital Garden draws on Blackmagic

Digital Garden draws on Blackmagic

Published: ASIA

JAPAN: Tokyo-based production company Digital Garden recently produced an 8K HDR video for one of its global clients, utilising several solutions from Blackmagic Design in the process. The footage was shot using three 4K cameras and later converted to 8K, 7680 x 2160 video.

Digital Garden built a DIT system comprising multiple Blackmagic Teranex Expresses and Teranex Minis for conversions and Atem 2 M/E Broadcast Studio 4K switchers, along with Smart Videohub 20x20 and Videohub Smart Control for routing, Ultra Studio 4K for capture and playback, and DaVinci Resolve for HDR colour correction on-set. Production lasted three days, including test shooting.

‘As shooting involved three cameras that sat next to each other, it caused parallax problems,’ said Shinichi Futagami, lead technical manager at Digital Garden. ‘To control distortion from parallax, we had to carefully monitor HDR range, focusing and the quality of the stitching, which is why we built the DIT system.’

The 1080 60P feed from each camera was routed to a Smart Videohub and up-converted to 4K60P via three Teranex Express converters. This was then distributed to the Atem 2M/E Broadcast Studio 4K that offered HDR 4K60P monitoring of the signal via two Teranex Mini SDI to HDMI 12G converters and a Teranex Mini SDI to Quad 12G. HyperDeck Studio 12G was implemented to record the stitched image to enable playback for the client on request.

The camera outputs from the Videohub were also captured as QuickTime files by three UltraStudio 4Ks on-set for use in postproduction. DaVinci Resolve was used for HDR grading.

‘We graded on-set with DaVinci Resolve to carefully check how the tone of the picture should be,’ recalled Mr Futagami. ‘Also, 4K60P monitoring could be very complicated, but with Atem at the centre, we could connect everything with a single 12G SDI connection.

‘When switching on the Atem, we made a preset based on the Super Source feature. We had to change the setting based on which lenses we used, so we saved each preset and loaded it when needed. The software panel was used for some complicated settings, and we did not want to mess with it. So when the client asked us to show them an output, we used the Atem’s front panel, which allowed us to switch outputs to their monitors without ruining the setup of the software control panel.’

www.blackmagicdesign.com
www.dgi.co.jp

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