Unverified50% confidenceFactExact time
The 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.
1
Sources
50%
Confidence
Long-term
Relevance
8/7/2026
First Seen
Sources
Gemini 3.5实时字幕实测：电竞解说场景下的语音转录表现
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