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Learn how Vimeo built a production-ready multilingual dubbing engine that transforms single video uploads into time-synchronized captions and natural-sounding dubs across 40 languages in this 33-minute conference talk. Discover the technical architecture behind Vimeo's real-time translation pipeline, which leverages Gemini Flash 2.0 for rapid transcript translation and employs sophisticated chain-of-thought prompting to extract phoneme details for accurate timing adjustments across different languages. Explore the chunking strategy that maintains timestamp precision within 10 milliseconds, preventing subtitle and audio drift, and understand the segment-level re-editing system that allows targeted fixes without full pipeline re-runs. Examine the comprehensive evaluation framework used to validate translation quality and the system design decisions that enabled production deployment. Gain insights into practical prompting techniques, timing mathematics, troubleshooting strategies for when subtitles and dubs go off-track, and the metrics methodology that demonstrated production readiness for this machine learning-powered localization system.
