【Highlight】Broadcast Grade Online Educational Video Production 👩🏻‍🏫 The VGB-4000 Pro Presentation System is a broadcast-grade chroma keyer, DVK-400. This chroma keyer ensures high-end isolation from the green background with minimal effort. VGB-4000 is a perfect way for low-cost lecture capturing, live streaming, and interaction with students without a steep learning curve. The whole VGB-4000 system with the H.264 video streaming server allows you to live-stream the course scene to the web pl

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