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Hash Pixel uses AJA ColorBox for broadcasting and post-production projects

Founded in 2020, Hash Pixel develops and implements workflows for streaming and broadcast projects. Based in Beijing, China, the technology and services provider helps clients deliver video to a range of end points, and also offers DIT support for commercials. As HDR production demand has taken off, the AJA ColorBox converter has proven essential for color management across Hash Pixel’s live broadcasting, live event production, and post-production projects.

“We learned about ColorBox through our AJA distributor, Esan”, , says Hash Pixel CTO Hugo Wang. Hash Pixel was one of the first ColorBox users in China. Their projects include large-scale events, such as Huawei Connect, as well as streaming Huawei PGC e-commerce, TikTok’s “You Came with the Light” concert, the gaming finals for JJ Cup Doudizhu (Fight the Landlord), feature film “Sacrifice”, and an announcement for Chinese bicycle-sharing service Hellobike. The company’s streaming events usually require video distribution to an internet platform, like TikTok, BiliBili, Douyu, and WeChat.

Typically, the Hash Pixel team will connect ColorBox with the PGM signal from a video switcher, convert color, and transmit the output to its recording and broadcasting department. Since ColorBox supports a series of HDR and SDR conversions, the DIT can download, adjust, and save the settings. The signal’s metadata is preserved in ColorBox’s SDI output, so the team can use it in conjunction with Qtake video assist software. For remote IP production and SD-WAN, the company leverages its own IP video solutions, which allow them to remotely adjust the color of content via ColorBox, which supports 12G-SDI.

In addition to ColorBox, Hash Pixel taps a wide range of AJA gear, including Ki Pro Ultra 12G, Ki Pro Go, Ki Pro Rack, Kona 4, Io 4K Plus, Io X3, UDC, Hi5-4K-Plus, U-Tap SDI, U-Tap HDMI, Kumo 1616, and FS-HDR. With FS-HDR, Hash Pixel completes color conversion, frame synchronization, and AES, Madi, and SDI audio embedding and dis-embedding.

The company leverages Hi5-4K-Plus to transmit SDI HDR signals from its color software to HDMI reference monitors for HDR production, with users able to view signal input and output from the Mini-Config managing software. Using Io 4K Plus with Qtake on Mac, Hash Pixel can carry through SDI-embedded metadata, like HANC and VANC, across different video camera brands. The team often uses Io 4K Plus alongside AJA’s Kumo 1616-12G router.

(Photos: AJA Video Systems/Hash Pixel)

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