Data as of Jul 25, 2026 · Based on 2,718,867 AI responses across 9,511 prompts · See how Parse measures this
FFsubsyncgithub.comFFsubsync is a language-agnostic tool that automatically synchronizes subtitles with video by aligning speech patterns using voice activity detection and Fast Fourier Transform. It processes video audio and subtitle files into binary speech indicators, then finds the optimal time offset through signal cross-correlation.
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