Mirelo Raises $41M to Bring Sound to AI-Generated Video

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Berlin-based startup Mirelo has raised a $41 million seed round led by Index Ventures and Andreessen Horowitz to build AI that adds synchronized sound effects to video. The company’s Mirelo SFX model interprets on-screen action and generates matching audio, targeting a growing gap in AI video creation tools.

[Nahid Hossen]

A $41M raise shows strong confidence in the future of audio-first AI tools.

[Abdul Khan]

Investment at this scale suggests sound is becoming a priority, not an add-on.