Aurora Subtitles
Real-time AI Translation
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Aurora Subtitles - Local live captions and translation for Windows audio

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Aurora Subtitles turns Windows PC audio into live captions and translated subtitles for Discord, games, meetings, streams, videos, calls, and accessibility workflows. It runs local-first with microphone or system audio capture, a configurable overlay, 55+ language options, and no monthly subscription.

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Hi Product Hunt! I built Aurora Subtitles to make live captions and translated subtitles available across everyday Windows audio, not just inside one meeting app. It captures microphone or system audio, processes speech locally on compatible NVIDIA GPUs, and shows captions in a customizable overlay for Discord, games, meetings, streams, videos, and accessibility workflows. The goal is simple: more control, more privacy, and no per-minute cloud credits or monthly subscription. Aurora is in Early Access, so feedback on setup, latency, overlay behavior, and real-world use cases is especially useful.

How does it handle fast speakers or overlapping voices when generating real-time subtitles, and does the local processing add any noticeable lag compared to cloud-based alternatives?

Runs quietly in the background and translations show up almost instantly, even on my mid-range GPU. Local processing means I'm not worried about sending meeting audio to some random server.

Runs surprisingly smooth on my mid-range GPU, and the local-only aspect is a huge plus for private meetings. Wish it had a quick hotkey to toggle translations mid-call, but otherwise solid.