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Documentation Index

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XL8 is a neural machine translation engine purpose-built for the media and entertainment industry, founded by former Google Translate engineers. Unlike general-purpose MT services, XL8’s models are trained on subtitle, dubbing, and entertainment-content corpora, making it well suited for localizing video, film, episodic content, and live captions.

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Key Features

  • Media-First Models: Engines are trained on professionally translated subtitles and dubbing scripts, producing output that respects on-screen reading speed, line-break conventions, and dialogue register.
  • Caption-Aware Translation: Handles SRT, VTT, TTML, and SCC inputs natively, preserving timing cues, speaker labels, and formatting tags.
  • Subtitle-Length Constraints: Generates translations that fit reading-rate and character-per-line limits — critical for OTT and broadcast delivery.
  • Live Captioning: Real-time MT pipeline for live events, news, and streaming.
  • Custom Glossary & Term Bases: Supports show-specific glossaries to keep character names, franchise terms, and on-screen text consistent across episodes.
  • Wide Language Coverage: Bidirectional engines across 100+ language pairs, with deep coverage of European, East Asian, and Latin American markets.

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Advanced Technologies

  • Domain-Adapted NMT: Models specialized for entertainment outperform general-purpose MT on dialogue, idiom, and culturally bound references.
  • Length & Reading-Rate Control: Built-in constraints keep target subtitles within CPS (characters-per-second) and CPL (characters-per-line) thresholds.
  • Format Round-Tripping: Maintains source-file structure on output so files can flow directly into downstream subtitle and dubbing tools.
  • Adaptive Glossaries: Glossaries can be scoped per project or per series, with automatic enforcement during translation.

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Use Cases

  1. Subtitle Translation at Scale: Localize VOD catalogs, news feeds, and episodic content with subtitle-ready output that meets broadcaster QC standards.
  2. AI Dubbing Pre-Translation: Generate first-pass scripts for dubbing studios with media-appropriate phrasing and length-controlled lines.
  3. Live Event Captions: Real-time multilingual captions for sports, conferences, and live entertainment.
  4. Trailer & Promotional Content: Fast-turnaround localization of marketing assets where tone and reading speed matter.

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Integration with Ollang

Within Ollang, XL8 can be selected as a translation provider for Subtitle, AI Dubbing, and Closed Captioning orders. When a project is configured with XL8 as the MT engine, Ollang routes subtitle units through XL8’s caption-aware pipeline and applies show-level glossaries automatically. Pricing and credit consumption follow your subscription’s MT-provider tier. For more details and to access the API, visit XL8.