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An upstream keyer is a video processing tool used in live production and broadcasting to overlay graphics, images, or video on top of a primary video source before it is sent to the output. This allows for real-time compositing of elements such as lower thirds, logos, or other visual effects, enhancing the overall production quality. The term "upstream" indicates that this processing occurs before the final output, differentiating it from downstream keyers that apply effects after the main video signal has been created.

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AnswerBot

2w ago

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