Bilibili Tech
Apr 29, 2025 · Cloud Computing
Bilibili Live Streaming Technology for the Spring Festival Gala: Experience Enhancement and Interactive Features
Bilibili's R&D built a cloud-based broadcast console for the 2024 CCTV Spring Festival Gala, delivering 4K HDR streaming, AI SDR-to-HDR conversion, low latency, bandwidth‑aware transcoding, and a synchronized “send bullet screen” interactive feature using custom SEI timestamps for hundreds of millions of viewers.
HDRLive StreamingSEI
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