Live captions and translations for your audience.
Subsume turns live speech into readable captions and translations, then publishes a viewer link so anyone can follow along—clearly and in their preferred language.
A lightweight preview of the viewer experience.
Product Description
Subsume is a web-based platform for real-time speech captioning, live translation, and optional AI dubbing. We help speakers and organizations make spoken content accessible on any device—without special hardware.
Problems We Solve
- •Accessibility for hard-of-hearing audiences
- •Language barriers for multilingual attendees
- •Readable, polished captions for live settings
- •No-install viewer links for phones and projectors
Target Audience
Designed for event organizers, educators, creators, houses of worship, and teams that want reliable live captions and translations for in-person or remote audiences.
Product Features
Built as a modern web app so you can start a session quickly, share a link, and deliver captions anywhere.
Real-time transcription
Turn live audio into readable captions in seconds for in-person or remote audiences.
Live translation
Stream real-time translations so viewers can follow along in the language they prefer.
See supported languagesRegional language variants
Translate to 155+ regional variants like Mexican Spanish, Brazilian Portuguese, or Egyptian Arabic with region-appropriate vocabulary.
Learn moreAI caption cleanup
Improve readability with smart punctuation and context-aware refinements.
AI audio dubbing
Optionally generate dubbed audio for translated captions so multilingual audiences can listen along.
Shareable links & QR codes
Share viewer links or QR codes for phones, tablets, or projector screens—no installs needed.
Recurring templates
Create reusable templates and permanent URLs for recurring events and programs.
Self-improving AI
Our AI learns from each session, automatically adapting timing and delivery to match each speaker's natural rhythm.
Speaker profiles
Save timing preferences for different speakers. Switch profiles instantly when speakers change during a session.
Teams & organizations
Manage sessions, credits, and settings across an organization.
AI transcription refinement
Boost accuracy for domain-specific terms with context-aware guides, dynamic glossaries, and sentence continuity.
How Subsume Works
Three simple steps to live captions for your audience.
Create a session
Pick your source language and add as many translations as you need.
Stream captions live
Speak naturally. Captions appear in real-time, translated instantly.
Share with your audience
Each language gets a dedicated link—viewers open on any device to read or listen.
See it in action
Watch live captioning with real-time translation to multiple languages simultaneously. The studio view shows transcription flowing with translation sessions running in parallel.
Product Stage
Subsume is available as a web app today and is actively improving with frequent updates.
- •Live transcription and caption viewing
- •Live translations and share links (multi-language)
- •155+ regional language variants with localized vocabulary
- •AI transcription refinement with context guides and dynamic glossaries
- •Optional AI audio dubbing for translations
- •Recurring templates with permanent URLs
- •Organizations, session history, and billing
- •Adaptive AI that learns each speaker's patterns
Exports, analytics, advanced workflows, and deeper customization for high-scale events.
Built for real-world use
Subsume is designed to work across devices and audiences—whether you're presenting on stage or joining from a phone.
Live events
Conferences, worship services, talks, and meetups—make every word accessible in the room.
Education
Lectures and workshops with clearer notes, multilingual support, and better accessibility.
Teams & meetings
Hybrid meetings with share links for attendees and captions that keep everyone aligned.
Ready to try it?
Start a free trial and share captions with your audience in minutes.