stl2srt
CLI tool converting EBU STL and TT (W3C/SMPTE/EBU variants) subtitle formats to SRT.
Link
Related resources
- SMPTE ST 2052-1:2010 Timed Text FormatFree official SMPTE-TT specification for FCC safe-harbor caption/subtitle interchange, full PDF.
- ttml2ssaConverts TTML/DFXP/VTT/SRT subtitle formats (as used by Netflix, HBO, Disney+, Prime) into SRT/SSA formats.
- Netflix Timed Text Style GuidesNetflix's official hub of subtitle/caption style guide requirements and per-language templates, an industry-standard captioning reference.
- bbc/ttml-validatorValidates TTML documents against constraint sets including BBC Subtitle Guidelines, IMSC Text, EBU-TT-D, and DAPT profiles.
- IMSC Text Profile 1.3 (W3C)W3C specification defining the IMSC 1.3 TTML2 text profile for worldwide subtitle/caption exchange, with validation and presentation requir…
- Dolby Vision UHD Blu-ray Authoring Workflow GuideSpec-level Dolby authoring document covering base-layer mapping (600/1000 nit FEL) and bitstream verifier tool reference.
- Dolby Vision Overview (Technical PDF)Vendor-style technical overview of Dolby Vision mastering workflow covering PQ grading, CMU, and trim metadata.
- Getting to Know Dolby Vision HDR, Part 1Technical tutorial covering Dolby Vision terminology, CMU hardware, and PQ grading pipeline for colorists.
- MPEG-B Part 7: Common Encryption (CENC) overviewMPEG's own free overview page for ISO/IEC 23001-7 Common Encryption, explaining cenc/cbc1/cens/cbcs schemes.
- w3c/imsc (imscJS & imscHRM)Reference repo for the IMSC TTML profiles, hosting imscJS (web renderer/polyfill) and imscHRM (Hypothetical Render Model validator).
- AIMS Alliance (Alliance for IP Media Solutions)Industry alliance driving adoption of open IP standards (SMPTE ST 2110, NMOS) for professional media infrastructure interoperability.
- Dolby Encoding EngineOfficial Dolby CLI encoder tool for Dolby Vision, AC-4, Dolby Digital Plus/Atmos, and TrueHD with batch and plugin architecture.
- MovieLabs Production Technology SpecificationsConcrete specification documents (Ontology for Media Creation, Media Creation Cloud, security architecture) supporting the 2030 Vision for…
- MovieLabs 2030 VisionMajor studio-backed initiative defining cloud-native, software-defined media production workflows, ontology, and security architecture for…