Observed arrival · 2026-09-14
DeckTalk cuts narrated slide videos to the word
An open-source Python workflow turns a Markdown script, plain HTML slides, and narration into a word-synchronized MP4.
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Field notes
DeckTalk uses Markdown headings to divide a script into sections, then connects spoken phrases to HTML slide elements through data-cue attributes. Its example resolves the word “One” at 4.485 seconds and reports a 35-cue caption build. Section narration is cached using the text, voice, model, and settings, while ffmpeg assembles the resulting clips and Chromium records the slides.
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