Real-time media localisation suite

Timbra uses best-in-class AI and patented AI-language processing technology built over years working with the world's largest companies to deliver real-time captions.

AI-model agnostic, supporting 250+ translation languages with highly customised language domains.

Integrates with major video delivery platforms, encoders and ecosystems for events and broadcast.

In venue transcriptions with companions, translations and AI summaries included. Global audiences, zero delay.

Real-time accuracy you can trust

Deliver precise live captions for global audiences—powered by adaptive AI.

Instantly synced, globally delivered

Keep captions perfectly in sync with your live stream — whether for global broadcasts, webinars, or internal events.

Speak to the world in 200+ languages

Auto-translate live speech into 200+ languages in real time — expand reach and accessibility instantly.

Seamless workflow integration

Connect easily with your existing broadcast tools, platforms, and streaming setups — removing complication and cost from live production.

Built for scale, ready for anything

From one-off events to 24/7 channels — scale live captioning with enterprise-grade reliability.

Full control, even mid-stream

Pause captions for pre-recorded segments, adjust speaker settings on the fly, and manage live output in real time—without disrupting your stream.

Feature checklist

  • AI generated subtitles
  • 200+ languages
  • HLS, RTMP or SRT inputs
  • Real-time transcription
  • In-room captions
  • In-page/webinar transcription
  • Live transcript widget
  • Audio event detection
  • Speaker-based caption splitting
  • Start/stop stream API
  • Profanity filtering settings
  • MUX stream integration
  • THEOplayer live support
  • Language-specific audio tracks
  • Brevity/formality controls
  • Brightcove support

Built for enterprise scale

Whether you're building your business, expanding internationally, or cutting costs—CaptionHub works for you.

Unparalleled scale

CaptionHub's infrastructure and application architecture powers the world's most demanding subtitling and workflow requirements, without missing a beat.

Quality and accuracy

We responsibly leverage AI to enhance caption accuracy, tailored specifically to your language domain, ensuring precision and relevance in communication.

Completely flexible

Customise CaptionHub to fit your business and give you the controls you need with policies, roles, and approval workflows.

Security by design

Your data security is our top priority. We have ISO 27001 certification and Cyber Essentials Plus, and we're GDPR compliant. So you can rest assured that your content and data is safe.

Intelligent, connected multimedia localisation.

CaptionHub is an AI-powered collaborative platform for multilingual subtitling and voiceover.