Live Captions, Subtitles, and AI Dubbing

on Event Platforms, to Social Media, in Player, in Stream, in Real-time, in 100+ Languages

on Event Platf

Power your live streams, broadcasts, virtual & hybrid events, and on-demand videos with captions, subtitles, and voice translations using industry-leading AI, cloud-based tools, and professional services.

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Trusted by Customers

All over the World

All-in-One Platform for Enhanced Video Accessibility & Localization

Maximize monetization, meet mandated regulations, drive better engagement and audience reach by using SyncWords.

Designed to Simplify Workflows

Best-in-breed ASR & Machine translation technologies

Support for HLS, RTMP(S) & SRT streaming protocols

Seamless integration into AWS Elemental workflows

Fully cloud-based, no encoder or hardware required

Accurate

Scalable

Cost-Effective

Convenient

Reliable

low-latency

VALUE
PROPOSITION

We empower OTT platforms, streamers, and broadcasters to create new revenue streams through multilingual subtitling and voice dubbing.

Our advanced GenAI-powered technology generates accurate ultra-low latency AI-driven caps, subs, and voice-overs. We ensure enhanced accessibility, seamless localization and boosted audience engagement.

AUTOMATED SERVICES

Captions\
Subtitles\
Voice Dubbing\

Live Captioning Software for Video Streams

Reach wider audiences by providing accessible and localized content on a budget. Efficiently customize and monetize video content. Easily make your live programming accessible and inclusive 24/7.

Instant language scalability: 60+ source languages & 100+ target languages

Enhanced accuracy with custom ASR dictionaries and translation glossaries

Support for HLS, RTMP(S) and SRT streaming protocols

Support for CMAF Ingest, DVB-TTML enabling real-time, ultra-low latency caption & subtitle delivery

In-player delivery for standard HLS video players

Unlimited concurrent sessions

Seamless integration into existing AWS Elemental workflows using MediaLive, MediaPackage, and MediaConnect

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Vocalics - Voice Cloning Dubbing

SyncWords’ Vocalics recreates the speaker’s tone, rhythm, and emotion in real time, so translated audio feels authentic, not robotic.

Natural, human-like delivery across languages

Preserves identity, emotion, and style

Ideal for live sports, news, and events

👉 Experience multilingual voice that sounds true to the speaker.

Try Live Voice Cloning

Real-Time Closed Captioning for OTT & Broadcast

Deliver your live programs globally accessible in 100+ languages to boost viewership and enhance revenue generation.

Meet mandated accessibility regulations

Maximize monetization of real-time video content

Reach wider audiences and markets

Support for HLS, RTMP(S) & SRT streaming protocols

CMAF Ingest & DVB-TTML seamless support for

ultra-low latency well-synced subtitles delivery

Fully cloud-based, no hardware required

No stream transcoding required

Perfect for OTT & delivery to social media

Automated accessibility and localization tools for live streams

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Robust Live Broadcast Accessibility Solution

Live Captions and Translations for Events & Meetings

Add SyncWords and deliver subtitles & AI voice translations to your virtual, hybrid and in-person event. Ideal for meetings, conferences, webinars, lectures, commencements, product launches, and sporting events.

Translated in 100+ languages

Live AI voice-overs in 50+ languages

Enhanced accuracy: SyncWords proprietary AI combined with custom ASR Dictionaries and Translation Glossaries

Professional human CART captioners to provide accessibility to virtual, hybrid, and in-person events

Several delivery options: widget/iframe, standalone/URL page via QR code

In-player viewing experience for desktop and mobile with integrated language menus

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Works with 
100+ platforms

On Demand

SyncWords for Pre-recorded Video Content

Once your live event is over, create perfectly-timed on-screen text for pre-recorded media using SyncWords’ powerful automation and cutting edge tools.

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Free Trial, then $0.50 per minute.

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Captioning

Advanced automation and tools to create professional transcript. No need for expensive desktop software. No subscription required.

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Translation

Translate your pre-recorded videos from 20+ source languages to create subtitles in 100+ languages. Use bulk uploader for larger projects.

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Transcription

Maximize productivity using our speech recognition AI and tools or use our premium human transcription services.

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Trusted by Thousands

Our experts are trusted by major live event platforms, broadcast networks,
accessibility & localization service providers, as well as education and corporate clients.

16 Million

Minutes processed for VOD last year

500,000+

Minutes of ASR processed last year

2 Million

Minutes live processed last year

10,000+

Users registered with SyncWords

100+

Machine translation to target languages

60+

Source languages supported

100+

Virtual event platforms supported

Effective Solutions forDifferent Industries

Corporate

Enable global teams to participate in company-wide meetings with instant subtitles.

Government

Deliver multilingual access to press briefings, civic events, and council sessions.

Education

Support international students with real-time translations for lectures and ceremonies.

AV companies

Add subtitling to hybrid productions and large-scale events with minimal setup.

Healthcare

Translate webinars and training for staff and patients securely and in real time.

House of Worship

Reach multilingual congregations with accessible translations during services.

Broadcast

Expand TV and OTT reach with accurate multilingual subtitles.

Entertainment

Make live concerts, festivals, and shows accessible with inclusive subtitles.

and many more...

Why Choose SyncWords?

When it comes to simultaneous translation services, SyncWords stands apart with over a decade of trusted service across industries from global broadcasters to enterprise events. We don’t just provide automated localization tools for live streams. We empower accessibility and monetization with advanced tools for real-time subtitle translations, AI voice dubbing, and pre-recorded content localization.

Accurate & Scalable: Industry-leading ASR and machine translation tuned with custom dictionaries.

Real-Time Power: Ultra-low latency live caption translations in 100+ languages.

End-to-End Workflow: From live streams to on-demand videos—captions, subtitles, and dubbing all in one platform.

Cloud-Based Convenience: No hardware, no hassle. Just plug into your streaming workflow.

Trusted by the Best: Netflix, Sony, BBC, Amazon, Pfizer, and 10,000+ users globally.

Human + AI: Combine AI automation with expert CART captioners when you need the gold standard.

Compliance-Ready: Meet accessibility regulations like WCAG, ADA, FCC, CVAA, and more.

Join us and let SyncWords' captioning and translation services unlock new possibilities for your live and on-demand content.

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Works with 
100+ platforms

Robust API

Use SyncWords’ RESTful API to effectively automate captioning, subtitling and dubbing processes.

Integration into your existing live streaming workflows

Support for JSON and YAML data formats

Comprehensive information on API endpoints and authentication

Postman collection with detailed documentation, quick start guides

Swagger implementation

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Legal Compliance

Deliver your programs globally in 100+ languages

WCAG 2.1

ADA & Section 508

CVAA & FCC

EaA

Bill 96

Customer Reviews

"SyncWords has transformed our workflow and likely has shifted our workflow more than anything else in the last 12 years."

"Many thanks... for thinking outside of the box to solve my closed captioning need... to provide closed captioning for 47 breakout sessions, two keynotes and a CIO Panel. SyncWords partnered with us, worked to understand the conference platform technology, and provided their innovative solution for automatic captioning."

Leslie W. Lenser

Executive Director, Program and Project Management

Texas M&A University

Enterprise Ready

Get company wide access to our automations, tools and services.

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Expect to hear back from us right away, but no later than one business day.