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Sign InGet Started The leader in LIVE broadcast AIYour ContentLive. Global. Limitless.Reach billions of viewers with AI voice translation and language processing. No hardware. No character limitations. No compromise on emotion. Book a Demo 1,000+ companies use SyncWordsOne Platform. Three Capabilities. Zero Limits.Vocalics - Live AI DubbingVocalics AI creates dubs and voice-overs in real-time, while cloning the speaker’s voice and emotion.CaptioningUltra-low latency, accurate, broadcast-grade caption delivery.SubtitlingSeamless, real-time subtitle translation for global scale.ForBroadcastSports, newsOTTMedia streamingLive EventsWebinars, hybrid eventsRecorded MediaBulk library processingRevolutionary AI Voice Translation for Live Broadcasts and StreamsInstant AI dubbing for live sports, news, e-learning, and more, genuinely translating the commentator's emotion to massively expand your global audience.Unprecedented quality.Real emotion.Low delay.Instantly scale to 30+ languages. Explore Vocalics ▶ Play Stream Live Closed Captions LIVE I'm so glad you're back home again. CaptionsLive Captions You Can Trust. Fast, Accurate and Easy to DeployDesigned for live broadcasts where accuracy and timing matter. Accurate live captions that meet compliance standards without slowing down your operations.Lowest latency in the industry.608, Teletext, VTT, DVB-TTML for SRT, HLS, and CMAF Ingest.FCC compliance for US broadcasters.Custom dictionaries for breaking news. Explore Captioning Translated SubtitlesMake Your Content Multilingual in SecondsInstantly subtitle live and on-demand content in 100+ languages. Drive revenue without changing workflows.Accurate and synced, even at speed.Proven in noisy, high-load environments.Cyrillic, CJK, Arabic, Hebrew, Thai & more.DVB-TTML for non-Latin character delivery. Explore Subtitling Live EventsLive Event Captioning That Stays Steady When Everything Else is MovingSyncWords delivers consistent & dependable real-time transcription and translation for in-person, hybrid, and broadcast events. Instant QR code access.Appear on phones, screens, and streams simultaneously.Multilingual accessibility made simple.Self-service or managed.Proven in noisy convention centers and mission-critical corporate events. Explore Live Events Use Cases SportsLIVETurn local matches into global events. Allow fans in Tokyo, Rio, and Madrid to cheer in their native language without losing the stadium atmosphere.NewsLIVEDeliver the 6:00 PM news in English, Spanish, Mandarin, Arabic or any other language simultaneously, expanding your viewership and trust across diverse communities.OTTLIVEUnlock new markets and reduce churn by offering translated content tiers. A localized library is a profitable library.Virtual & Hybrid MeetingsLIVEConducting your meetings, webinars, or conferences online? Make your next event accessible and inclusive for all with SyncWords live services.Live StreamsLIVELet viewers navigate & switch languages directly inside your video player for better inclusion & engagement. Work with Dacast, AWS Elemental workflows as well as YouTube, Vimeo, and Facebook.International Broadcast LIVEFull Unicode Support: Live captions in Cyrillic, CJK, Arabic, Hebrew and 60+ non-Latin scripts.Worship EventsLIVEGet your message across to multilingual communities and parishes by adding automated subtitles and audio dubbing to any virtual or in-person event.+35kevents translated worldwide last year34khours of live media translated last year270khours of recorded media captioned & translatedYour content is already live.Your audience doesn’t have to be limitedTalk with our team about using captions and translations to grow your audience for live events and broadcasts. Talk to Us --- This website stores cookies on your computer. These cookies are used to collect information about how you interact with our website and allow us to remember you. We use this information in order to improve and customize your browsing experience and for analytics and metrics about our visitors both on this website and other media. To find out more about the cookies we use, see our Privacy Policy If you decline, your information won’t be tracked when you visit this website. A single cookie will be used in your browser to remember your preference not to be tracked. Accept Decline Sign InGet StartedPricingOur pricing is affordable, tailored to your unique needs, and easy to understand. 1,000+ companies use SyncWordsFor Recorded MediaFor Live MediaHuman TranscriptionHuman transcription plus automated sync. SyncWords will transcribe your media using our network of professional transcribers at 99.99% accuracy to produce high-quality captions.SMART SYNC INCLUDEDSTANDARD3-5 Days$1.95Per Minute of MediaGet StartedFASTSame Day$3.45Per Minute of MediaGet StartedNext and two-business-days options are also available.Automated CaptionsBring your own transcript or use our free automated speech recognition service and we’ll sync it with your media for output of captions in any format you need.IS SMART SYNC$0.50Per Minute of MediaTry FreeMachine TranslationDeliver your content to global audiences with foreign subtitles with enhanced accuracy in more than 50 languages translated by state-of-art AI. Access to our professional editing tools to let your Team of translators review and edit content. Requires a caption file or transcript.SMART SYNC INCLUDEDFirstLanguage$1.00Per Minute of MediaTry FreeSecondLanguage$0.50Per Minute of MediaTry FreeAdditional Services Burned in Files for Social MediaDownload your media file with captions permanently burned in. $3.00 Minimum.$0.50/ Minute of Media above minimumPRO HUMAN TRANSLATIONSProvide translated subtitles in multiple languages for your pre-recorded media, done by a native-speaking professional translator.Starts from$6.00/ Minute of MediaVaries on the language pair chosenExpect to hear back from us right away, but no later than one business day. First name*Last name*Email*WhatsApp numberHow do you deliver your content?*Broadcast/OTTLive StreamLive Events (in-person / virtual)VOD (recorded content)How do you want your audience to access your content?*Same Language CaptionsTranslated SubtitlesTranslated AudioMessage*UTM SourceUTM Campaignutm_campaignUTM Mediumutm_mediumLead statusSW Referrer ContactJoin our Newsletter and stay up to date on the latest SyncWords has to offerYou may unsubscribe from these communications at any time. For more information please review our Privacy Policy.By clicking submit below, you consent to allow SyncWords to store and process the personal information submitted above to provide you the content requested.Power your live stream, live broadcast, virtual, hybrid, or in-person event, or social media presence with live captions, real-time machine-translated subtitles, or natural-sounding automated dubs. Provide required accessibility and expand audience reach by localizing your video content.SyncWords’ Basic Account FeaturesWhether you’re looking to add captions or subtitles to your VOD content, all accounts come with the same great features:Access to Caption and Subtitle EditorSmart SegmentationReal-time Error Detection30+ Editing OptionsOutput to All Major Caption File FormatsCaption Pre-sets for Web, TV & OTTAuto-save and Back-upUnlimited Project StorageLearn MoreGet Enterprise AccountEnterprise accounts unlock collaborative features, consolidated billing, flexible payment options, and special rates based on volume and pre-payment.Get everything included in a Basic Account, plus:CollaborationWorkflow IntegrationAdvanced CustomizationBilling GroupsPremium 24/7 SupportEnforced SecurityRobust APISSO LoginCustom pre-payment optionsDiscuss your business needs for media localization with a SyncWords Sales representative to ensure optimal pricing for higher volumes of live and pre-recorded video content.Bulk volumediscountsOrder captioning, subtitling, and dubbing for high volumes of live and pre-recorded media content at discounted rates. Flexible translation service combinations.Lock in prices with 1+ year subscriptionFreeze prices for SyncWords services for live and on-demand media by opting for an annual subscription plan.Frequently Asked QuestionsContact Us with any additional questionsHow does billing work in SyncWords?SyncWords is a pay-per-use service. We only charge when a project is submitted and there are no hidden fees! Charges are based on media duration, and pro-rated to the minute. We will summarize the costs for every project and ask for your confirmation before any charge is made. We accept all major credit cards.How do Enterprise customers pay?Enterprise customers are billed monthly, and can pay via credit card, or check. Payment is due in 30 days from invoice date.How secure is SyncWords?SyncWords forces all traffic over HTTPS, using powerful 256-bit encryption for all transactions. We employ strong passwords and secure password reset procedures. We use a leading PCI-compliant third-party payment provider to handle all credit card transactions, so we never store credit card information.Is there a minimum amount of media I need to submit to become a customer?No. You can caption any quantity of media in SyncWords without any minimum limits.Do you offer discounts for bulk volume?Yes, we provide discounts for bulk volume or pre-payment. Please, contact us to learn more. --- This website stores cookies on your computer. These cookies are used to collect information about how you interact with our website and allow us to remember you. We use this information in order to improve and customize your browsing experience and for analytics and metrics about our visitors both on this website and other media. To find out more about the cookies we use, see our Privacy Policy If you decline, your information won’t be tracked when you visit this website. A single cookie will be used in your browser to remember your preference not to be tracked. Accept Decline Sign InGet StartedNatural Sounding AI Voice Dubbing. LiveRevolutionary voice cloningNo hardware, no character limitationsImpeccable accuracyReliable workflow Talk with an Expert 1,000+ companies use SyncWordsGenuinely translate the commentator's emotion to massively expand your global audienceEmotional MappingRetains the speaker's original intensity and pitch variations.Commentary Voice PreservedKeep the unique sonic identity of your star commentators.Crowd PreservationAI automatically separates speech from background noise to maintain atmospheric authenticity.Broadcast-readyIntegrate seamlessly into your broadcast workflow, with support for industry standards and unparallel robustness. No hardware.Universal Compatibility: Full support for standard protocols including SRT protocol, CMAF Ingest, HLS or RTMP(S).State-of-the-art: The best speech recognition, translation and voice synthesis.Non-Destructive Delivery: AI audio tracks are mapped to specific PID channels without re-encoding your video.Broadcast Scale: A robust, cloud-native architecture designed for 24/7 uptime and high-volume redundancy.The Roar of the Stadium in 60 LanguagesEngage your fans and monetize your content worldwide by translating sports commentary instantly. Preserve the quality and insight of your trusted human commentary with Vocalics.Voice and emotion cloningNatural sound mixingBroadcast-ready Get a Vocalics Demo NewsBreaking News, Broken Down by Language BarriersVocalics processes live feeds in real-time, preserving the original speaker's tone, pitch, and cadence while translating into the target language.Authentic Voice Cloning: It sounds like your talents are fluent in Spanish, French, or Arabic.Global Authority: Maintain one trusted voice for your entire international audience.Critical Accuracy: Robust AI and, custom dictionaries ensure names, places, and specific terminology are always translated correctly.Stop Making Your Subscribers Read. Let Them ListenOn-screen text creates friction; native audio translation builds retention. Provide the effortless, immersive "lean-back" experience that keeps viewers subscribed.Instant Localization: Unlock existing live inventory for new global markets in real-time.Cost-Efficient Scale: Launch premium audio tracks without the cost of human voice actors.OTTDelivery Methods HLS RTMP(S) SRT Streaming HLS, RTMP(S) & SRTPush captions directly into the stream headers. Compatible with social platforms and broadcast encoders.Direct Ingestion Supported Embedded PlayerIntegrate our Embed Player directly into your website. Viewers toggle tracks inside the menu.Works with JW Player, THEOplayer, Video.jsLearn About Integration OptionsFAQsFrequently Asked QuestionsWhat are Vocalics AI audio dubs?Where can audio dubs be delivered?How natural do live audio dubs sound?How much delay do live audio dubs introduce?Do audio dubs work for large or complex live productions?What languages are supported?Are audio dubs accessible and compliant?What formats and workflows are supported?How long does setup take?When should teams consider live audio dubs?Your content is already live.Your audience doesn’t have to be limitedTalk with our team about using captions and translations to grow your audience for live events and broadcasts. Talk to Us --- This website stores cookies on your computer. These cookies are used to collect information about how you interact with our website and allow us to remember you. We use this information in order to improve and customize your browsing experience and for analytics and metrics about our visitors both on this website and other media. To find out more about the cookies we use, see our Privacy Policy If you decline, your information won’t be tracked when you visit this website. A single cookie will be used in your browser to remember your preference not to be tracked. Accept Decline Sign InGet StartedThe Fastest AI Live CaptionsSyncWords makes live events, streaming, and broadcasts accessible, compliant, and globally engaging with instant real-time closed captions. Talk to Us live_stream_v2.m3u8 LIVE But looking back, I think it's the best decision we ever made. Simple integration Robust AI accuracy Uptime 99.999% 1,000+ companies use SyncWordsUnmatched AI AccuracySyncWords uses high-end AI enhanced with Custom ASR Dictionaries. Upload your speaker names, technical jargon, and specific terminology beforehand. Audio Dictionary Speech-to-text Lowest LatencyFastest latency with accurate AI transcription or choose CART human hands for premium accuracy.Fastest & Most ReliableCompliance Made SimpleOur automated workflow ensures your live events are inclusive for the Deaf and Hard-of-Hearing community without the high cost of human stenography.ADA, FCC, CVAA Compliant 99.999% Broadcast reliability Mission-critical uptime Delivery HLS, RTMP(S) and SRT Cloud Workflows End-to-end automation MediaLive MediaPackage CloudFront Amazon S3 Your CDN FAST Channels FCC Compliance Built for Broadcast and Live StreamingNo hardware needed.Robust AI with custom ASR Dictionaries for enhanced accuracy.Supporting VTT, CEA-608 and more...Self-service, or use our dedicated expert technicians.Cloud-native Unicode + DVB-TTML: Built for international or local broadcast from the ground up.Captions Delivery Methods HLS RTMP(S) SRT Streaming HLS, RTMP(S) & SRTPush captions directly into the stream headers. Compatible with social platforms and broadcast encoders.Direct Ingestion Supported + Widget & URL + QR CodeAn agile HTML iframe alongside video, or a standalone URL. Includes auto-generated QR codes for second-screen experiences.Ideal for Zoom, Webex & In-Person Embedded PlayerIntegrate our Embed Player directly into your website. Viewers toggle tracks inside the menu.Works with JW Player, THEOplayer, Video.jsLearn About Integration OptionsTechnical Features at a GlanceUltra-Low LatencyCaptions appear synchronously with the audio, minimizing delay for real-time engagement.Profanity FilteringAutomatic filtering to ensure your stream remains brand-safe and professional.RESTful APIAutomate scheduling, dictionary uploads, and event creation directly from your CMS.4K ReadyFully compatible with high-definition and 4K video workflows without performance loss.ArchivingAutomatically generate a corrected transcript and VTT file for VOD immediately after stream.FAQsFrequently Asked QuestionsWhat are SyncWords live captions?Where can captions be displayed?How accurate are the captions?How much delay is there?Do captions work for large or complex live productions?What languages are supported?What formats and standards are supported?How long does setup take?Are SyncWords captions accessible and compliant?Why not just use built-in captions from our streaming platform?Your content is already live.Your audience doesn’t have to be limitedTalk with our team about using captions and translations to grow your audience for live events and broadcasts. 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