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AJA Gear Helps DIT Kevin Shiramizu Manage On-Set Curve Balls

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A liaison between production and post on set, digital imaging technicians (DITs) are the go-to resource for troubleshooting everything from imaging sensors to hard drives, signal paths, and monitors.

Doing this while ensuring the director of photography's (DP) vision is accurately translated to the various production departments puts quite a bit of pressure on the role. According to DIT Kevin Shiramizu, having the right kit in his DIT cart carts goes a long way in keeping everything running smoothly. To help manage inevitable curve balls, he's integrated an AJA KUMO 3232-12G router and an assortment of AJA Mini-Converters into his cart. The future proof setup provides enough ins and outs, and bandwidth to support 4K HDR live grading and monitoring needs on set, and a way to move between equipment and display formats as needed.

Working primarily in commercials, Shiramizu said that because his projects are shorter, he continually faces new challenges. "Whether I’m working with a different camera, trying to achieve a set look for the actors, or the project has a certain style, there's a never-ending permutation of factors to make each shoot happen," he explained. "It's like trying to solve a trick Rubik's Cube. As soon as I think I've got it, something changes, and I have to figure that out -- like shooting against an LED wall."

To help solve those unexpected challenges, Shiramizu has built a several hundred-pound DIT cart with an arsenal of equipment. His setup includes a computer that runs his live grade technology, monitors, and the video signal path from the camera, whether it's wireless or tethered through cloud products. It’s run through LUT boxes, into the computer, through his KUMO router, and distributed to the cart monitors, the DP and directors’ monitors, and the video assist operator, who typically streams it to remote clients. For live grading, he uses Pomfort's Livegrade and a Tangent panel.

"As productions get more complex and more people on set want access to live monitoring, having enough ins and outs is critical to keeping things moving, which is why I use KUMO. It gives me so much flexibility and reliability, and the fact that AJA and Pomfort make software integration seamless is awesome for live grading. With 32 ins and outs on the KUMO, I’m excited to move to Livegrade Studio in the future," added Kevin. "While I mostly receive signals through a wireless video system via SDI into the router, if the wireless receiver is HDMI, I’ll use an AJA HDMI to SDI converter, which is great."

Outside of conversion needs for transmitting the wireless signal between the video system and router, Shiramizu must also manage a host of other conversion demands on set, whether it’s monitoring an iPhone, a GoPro, Sony SLR cam, or other capture device. For this reason, he keeps a number of AJA Mini-Converters and distribution amplifiers on his cart. Shiramizu said: "Having a nice quiver of AJA Mini-Converters in my toolkit for those moments has saved the day countless times."

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