Unverified50% confidenceFactExact time
The "karaoke-style caption" dynamic subtitle effect was first popularized by editing tools such as CapCut; its underlying principle combines ASR word-level timestamps with an animation rendering engine.
1
Sources
50%
Confidence
Long-term
Relevance
8/4/2026
First Seen
Sources
PassiveShorts测评：AI自动生成短视频并发布到TikTok和YouTube
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