Free trial
Two free projects with no card required. Includes every target language and dialect, voice matching to the original or a native speaker, and caption export in SRT, TXT, or JSON.
Learn moreSpeechlab
AI dubbing and localization with an editor you actually control
Intermediate API
What is Speechlab?
Speechlab transcribes, translates, captions, subtitles, and dubs video and audio in 50+ languages, with a segment level editor, speaker voice cloning, and per minute pricing. Built for publishers, L&D teams, and localization providers that need to review output before it ships.
Speechlab is a web based localization platform that handles the full spoken content chain: transcription, translation, captions, subtitles, and voice dubbing across more than 50 languages. It works on video, audio, podcasts, and audiobooks, and every stage can be used on its own. A team that only needs an editable transcript and SRT export never has to generate a dub at all. The pitch is aimed squarely at the gap most dubbing tools leave open. Instead of an upload and pray black box, Speechlab hands back a waveform timeline where each segment can be reworded, retimed, and re-rendered individually. Automatic speaker detection keeps multi-speaker material organized, SRT files can be imported to align work against an existing cut, and a changed line costs one segment of credits rather than a full reprocess. Voice handling goes two ways: clone the original speaker so their identity carries into the new language, or swap in a native voice that sounds local to the target market. Practical use splits along three lines. Media publishers and creators dub documentaries, YouTube uploads, podcasts, audiobooks, and film, where preserving who is speaking matters. Enterprise marketing and L&D teams localize demos, enablement material, and course libraries, and benefit from bulk processing, shared review, and role based access. Localization service providers plug in through the API and white-label the output. iHeartMedia, Pearson, DeepLearning.AI, Vistatec, and Translingua appear among the named users. Against generic AI dubbing services, Speechlab competes on editorial control and per minute pricing rather than on model novelty. It charges for what is used, exposes a REST API with webhooks and batch tracking on paid tiers, and offers linguist review on enterprise accounts. The tradeoff is that the tool assumes someone will actually edit. Teams wanting a one click dispatch without review overhead will be paying for an editor they ignore.
How do you use Speechlab?
1Create a free account
Sign up on the registration page. The free tier includes two projects, so you can test the full pipeline without entering payment details.2Upload your source media
Drag in a video or audio file, or paste a YouTube link. Bulk import is available for larger batches of content.3Review the diarized transcript
Automatic speech recognition produces a timed transcript with speaker labels. Fix any misheard lines inline and adjust segment timing on the waveform before moving on.4Translate and generate subtitles
Pick a target language and let the AI translate segment by segment, then edit the lines and export a frame accurate SRT or VTT file.5Assign voices and render the dub
Choose a cloned source voice or a native voice for each speaker, preview the result in the editor, then export dubbed video or audio.6Explore the blog for workflow context
The blog covers cost comparisons against human dubbing and ASR model benchmarks, which helps when scoping larger localization projects.
Pros and cons
Pros
- Full editor with waveform timeline, segment edits, and SRT import instead of a one shot upload and hope flowAI
- Segment level re-dubbing means a single changed line does not force a full project re-renderAI
- Source voice cloning is available per speaker, so multi-speaker content keeps its original identitiesAI
- Each stage (transcription, captions, subtitles, dubbing) works standalone, so you only pay for the steps you useAI
- API with webhooks and batch tracking on paid tiers, plus linguist review and role based access at enterprise levelAI
Cons
- Per minute credit pricing across many languages can be hard to forecast for large back cataloguesAI
- Voice cloning availability varies by language pair, so coverage is not uniform across all 50+ languagesAI
- No self-serve pricing figures for enterprise features like lip sync, custom voices, or volume discountsAI
- The editor-centric design assumes a reviewer; teams wanting untouched automated output carry extra workflow overheadAI
- Platform is a web app only, with no desktop or mobile clients listed for on-the-go reviewAI
How much does Speechlab cost?
Pricing
Free tier with 2 dubbing projects, all target languages, and caption export in SRT, TXT, or JSON. Pro is credit based at $0.6 per minute with unlimited media length, 4K video, sharing, and API access. Enterprise is custom priced with integrations, volume discounts, role management, native linguist review, custom voices, and invoice billing.
Learn moreSupport
Support is routed through a contact sales form. Enterprise accounts include white-glove human in the loop review by native linguists, custom voice creation, and role based team access. Pricing and help details are covered on the homepage FAQ.
Learn moreIntegrations
RESTful API on Pro and Enterprise plans with per project endpoints, webhook callbacks, and batch job tracking. Enterprise adds custom integrations for media asset management, translation management, and content pipelines.
Features
Transcription with speaker diarization, translation across 50+ languages, caption and subtitle generation with SRT/VTT export, and speech to speech dubbing. The editor supports SRT import, segment operations, waveform editing, per speaker voice assignment, and segment level re-rendering. Exports cover dubbed video, dubbed audio, subtitles, and plain text, with optional background audio retention.
Frequently asked questions about Speechlab
How much does Speechlab cost?
Free tier with 2 dubbing projects, all target languages, and caption export in SRT, TXT, or JSON. Pro is credit based at $0.6 per minute with unlimited media length, 4K video, sharing, and API access. Enterprise is custom priced with integrations, volume discounts, role management, native linguist review, custom voices, and invoice billing.Does Speechlab offer a free trial?
Two free projects with no card required. Includes every target language and dialect, voice matching to the original or a native speaker, and caption export in SRT, TXT, or JSON.Does Speechlab have an API?
Yes, Speechlab offers an API.How do you use Speechlab?
The walkthrough on this page covers 6 steps: 1. Create a free account 2. Upload your source media 3. Review the diarized transcript 4. Translate and generate subtitles 5. Assign voices and render the dub 6. Explore the blog for workflow context.What platforms does Speechlab support?
Speechlab is available on Web App.What does Speechlab integrate with?
RESTful API on Pro and Enterprise plans with per project endpoints, webhook callbacks, and batch job tracking. Enterprise adds custom integrations for media asset management, translation management, and content pipelines.
Status
StatusActive
Views0
Outbound clicks0
Added10/21/2026
Platforms
Web App
Pricing
FreeFreemiumPaid
