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A virtual recreation of the Votrax SC01 and SC02 speech chips

A software recreation of Votrax speech synthesis chips, built by feeding the chip schematics to Claude and tuning against a real unit.

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Credits

  • Reddit poster lilgreenrositti Source ↗

Earliest dated source: 23 Oct 2026

Video ↗

The full story

The poster made a virtual recreation of the obscure Votrax SC01 and SC02 speech synthesizer chips, which Kraftwerk used for some vocals. They found the schematics, fed them into Claude, and used their own real chip for cross-referencing and fine-tuning. They say it "sings like a dream" and link a video demo.

How it was done

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Sources

From a short post by the maker, so the details are as they tell them.

  • Reddit: I made a virtual recreation of a very obscure speech synthesizer/instrument. For fans of Kraftwerk, Forum threadreddit.com
    Reddit poster: lilgreenrosittiPosted 23 Oct 2026

    The maker's reply in r/ClaudeAI's showcase thread.

    If it disappears: archived copy of Reddit: I made a virtual recreation of a very obscure speech synthesizer/instrument. For fans of Kraftwerk, (opens in a new tab)

  • The video: youtube.comVideoyoutube.com

    Linked from the post.

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Prompt & Solder

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