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Design a content moderation system for live video streams.

You cannot review a live stream after publishing, because it already reached the audience. The broadcast delay buffer is the design, and everything else (frame sampling, the audio channel, the cascade) is built to fit inside it. Here is how it fits together.

Updated Sep 2026 · Grounded in real GenAI, LLM, and AI/ML engineering interview loops and written to a senior-engineer editorial bar.

You cannot review a live stream after publishing, because it already reached the audience. The broadcast delay buffer is the design, and everything else (frame sampling, the audio channel, the cascade) is built to fit inside it. Here is how it fits together.

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