Lesson Content
Source video preparation for best translation results.
The quality of the translation output is influenced by the quality of the input.
Video characteristics that improve translation:
- Clear, frontal presenter view (not angled or profile shots) – Lip Sync performs better on straight-on angles
- Even facial lighting with no harsh shadows – easier for Lip Sync to track and reanimate
- Consistent presenter position in the frame throughout the video
- Single speaker (multi-speaker content requires careful subtitle segmentation)
- Standard speaking pace – very fast or very slow delivery can cause Lip Sync timing issues
Subtitle file preparation:
- Ensure the subtitle file accurately represents everything spoken – including brand names, titles, and technical terms
- Use standard subtitle formats (SRT is widely accepted)
- Check that subtitle timing is accurate – mistimed subtitles lead to mistimed translated audio
The translation quality review checklist.
After a translated video is delivered, review:
- [ ] Lip sync quality: Are the presenter's lip movements generally aligned with the target language audio? Close-up shots and rapid dialogue are most likely to show imperfect sync.
- [ ] Audio clarity: Is the target language voiceover clearly intelligible and naturally paced?
- [ ] Brand and product names: Are proper nouns, brand names, and product names handled correctly? (Translation engines sometimes translate what should remain as-is)
- [ ] Content accuracy: Does the translated content preserve the original meaning? (Run a back-translation check if you have access to a speaker of the target language)
- [ ] Subtitle accuracy: Do the captions accurately represent the translated audio?
- [ ] Cultural appropriateness: Is the phrasing appropriate for the target culture's communication norms?
Common translation errors to watch for.
- Brand names translated literally when they should be preserved as-is
- Idiomatic phrases translated word-for-word producing nonsensical output
- Technical terms translated into colloquial equivalents that are inappropriate for the context
- Subtitles not updated to match the translated audio (old subtitles + new audio)
When to require native-speaker review.
Always use native-speaker review before publishing:
- In regulated industries (healthcare, legal, financial) where translation errors carry legal risk
- Marketing content where cultural resonance is critical to performance
- Content with complex idiomatic language
- Any content for audiences where a translation error could cause offense or confusion
