Content & Social Media · n8n

Auto-Create Audiogram Social Clips from Each New Podcast Episode

An n8n workflow that picks the most shareable 30-second moments from a new podcast episode and renders them as captioned audiogram videos for social — turning one episode into a week of promo clips without a video editor.

difficulty Advancedsetup 65 minresult Three captioned audiogram clips per episode, ready to post and drive listeners back to the show—
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  1. 1

    Detect the episode

    An RSS Feed Trigger fires on a new episode and an HTTP Request transcribes the audio.

  2. 2

    Pick 3 clips with Claude

    An HTTP Request to Claude returns strict JSON of three segments — start, end, caption — chosen for shareability.

  3. 3

    Render each audiogram

    An Item Lists split then an HTTP Request to an audiogram API renders each segment with waveform and captions into an MP4.

  4. 4

    Save for review

    A Google Drive node stores each clip and a Google Sheets node logs the caption, so posting is copy, review, share.

Frequently asked questions

How are the best moments chosen?

The transcript goes to Claude, which returns the three most quotable, self-contained 30-second segments with their timestamps. Those are the clips most likely to stop a scroll — a strong quote, a surprising stat, a funny exchange.

How is the audiogram video made?

An audiogram API (or a headless renderer) takes the audio segment, a waveform style and the auto-generated captions, and outputs an MP4. The workflow passes each chosen segment and caption to it, then saves the clips for review.

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