Unverified50% confidenceTradeoffExact time
轮询间隔的选择存在响应延迟与服务端负载之间的权衡，15秒被认为是视频生成场景的合理折中点
1
Sources
50%
Confidence
Long-term
Relevance
7/16/2026
First Seen
Sources
Related Claims
UnverifiedThe 8-second duration limit in video generation is not a technical bottleneck, but an engineering trade-off between computational cost and quality.75% similarUnverifiedThe FCC's requirement for real-time TV subtitles is an end-to-end latency of no more than 2 seconds, YouTube automatic subtitle latency is approximately 3–5 seconds, and professional CART service latency is approximately 1–2 seconds.74% similar
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