Mirelo Raises $41M From Index And A16z To Solve AI Video’s Silent Problem

Mirelo raises $41M as Index and a16z back its push to fix AI video’s biggest gap: realistic, synced audio.
Matilda
Mirelo Raises $41M From Index And A16z To Solve AI Video’s Silent Problem
Mirelo raises $41M to tackle AI video’s missing sound Mirelo raises $41M in new funding to solve a problem many creators immediately notice when using AI video tools: silence. While generative video has advanced rapidly, audio has lagged behind, leaving many clips feeling unfinished or artificial. The Berlin-based startup is building AI models that automatically add sound effects and soundtracks synced to on-screen action. The new capital comes from Index Ventures and Andreessen Horowitz, two firms betting big on the future of generative media. The round underscores how audio is emerging as the next competitive frontier in AI video. For creators, studios, and game developers, sound may determine whether AI video feels usable or forgettable. Mirelo’s backers clearly believe the company is well positioned to fill that gap. Credit: Index Ventures Why AI video still struggles with audio Most AI video generators focus on visuals first, assuming sound can be added later through manual editing…