Speechlab AI
AI Dubbing And Localization For Video And Audio In 50+ Languages
by Speechlab, Inc. · San Francisco, CA, USA · Founded 2022
What is Speechlab AI?
Speechlab is a speech-to-speech AI platform for video and audio localization, built for teams that care about output quality.
It covers the full localization pipeline — ASR transcription with speaker diarization, AI-powered translation using Claude, DeepL, and GPT-4, and TTS-generated dubbing — all within a browser-based waveform editor.
Supporting 50+ languages, it offers per-speaker voice cloning, native voice library matching, SRT/VTT subtitle export, burned-in captions, WCAG/Section 508-compliant accessibility outputs, and a RESTful API for media pipeline integration.
Incubated at Andrew Ng's AI Fund, Speechlab is trusted by iHeartMedia, Pearson, and DeepLearning.AI for high-volume multilingual content production.
Speechlab AI — AI Dubbing And Localization For Video And Audio In 50+ Languages Whether you're evaluating Speechlab AI for your team or comparing it to alternatives in the AI Video Tools category, this in-depth review covers everything: features, pricing, real user reviews, pros and cons, integrations, and direct comparisons against competitors.
Key Features 8
Who Is Speechlab AI For
Pros & Cons
- Transparent Per-Minute Pricing
- Multi-Engine Translation Quality
- Full In-Browser Editorial Control
- SOC 2-Compliant Infrastructure
- Lip-Sync Only On Enterprise Tier
- Per-Language Credit Charges Add Up
- No Dedicated Mobile App
Frequently Asked Questions
5 questionsYes. Speechlab's ASR pipeline automatically identifies and labels individual speakers via diarization. Each speaker can be independently assigned a source-clone voice — replicating their original vocal characteristics in the target language — or a native-speaker voice from the Speechlab catalogue.
Speechlab routes translations through Claude, DeepL, and GPT-4, selecting the optimal engine per language pair for best quality. Every translated segment is editable inline before the dub is generated, and segments can be locked to prevent re-processing after review.
Yes. Speechlab captions carry speaker identification labels, accurate timestamps, and fully editable text — the core requirements for WCAG 2.1 Level AA and Section 508 compliance. They export as SRT or VTT sidecar files compatible with accessible web players.
The Pro and Enterprise plans expose a RESTful API with per-project endpoints, webhook callbacks for async job completion, and batch job tracking. This allows Speechlab to plug directly into media asset management systems, translation management platforms, or custom content pipelines without manual dashboard interaction.
All uploads are encrypted in transit via TLS and at rest via AES-256, stored in SOC 2-compliant infrastructure. Only the account owner and explicitly shared team members can access project content. Speechlab employees do not access customer content without explicit permission, and enterprise accounts can request custom data retention or deletion policies.
Who is Speechlab AI for?
Speechlab AI is most useful for YouTube Creators & Podcasters, Corporate L&D And Training Teams, Localization Service Providers and Media Publishers And Distributors.
Speechlab AI pricing
Speechlab AI uses a freemium model: a usable free tier with optional paid upgrades. Headline pricing: From $0.60/min. For the current tier breakdown and any limits, see the pricing section above or check the vendor's pricing page directly — limits and prices change.
Trusted Reviews
Verified PlatformsWhat's New
monthlyPublished enterprise guidance on AI dubbing requirements ahead of the EU AI Act August 2026 enforcement deadline, including compliance considerations for localization workflows.
Released a public benchmark comparing 7 ASR models on real-world audio, informing Speechlab's ongoing model selection strategy for transcription accuracy.
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All Features of Speechlab AI
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Speechlab AI Pricing
From $0.60/min
- 2 Free Dubbing Projects
- All Target Languages & Dialects
- Source-Clone Or Native Speaker Voice
- Export Captions In SRT, TXT, Or JSON
- Pay-Per-Use Credit-Based Pricing
- Audio And Video Of Any Length (Up To 1.5 GB)
- Video Resolution Up To 4K
- Share Projects For Team Review And Editing
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