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Training Custom Vocabulary for Better Transcription Accuracy

Improve transcription accuracy by 20-30% with custom vocabulary. Learn how to train your dictation app to recognize industry-specific terms.

K
November 22, 20255 min read

Speech recognition struggles with names, acronyms, and industry jargon. Custom vocabulary training can improve accuracy dramatically for specialized content.

What to Add

  • Product names: Your company's products and features
  • People names: Colleagues, clients, public figures you mention
  • Technical terms: Framework names, APIs, protocols
  • Acronyms: CRUD, API, SDK, CI/CD, etc.
  • Industry jargon: Terms specific to your field

Building Your Dictionary

  1. Start with the 50 terms you use most often
  2. Add terms as you notice recognition errors
  3. Include common misspellings to correct them
  4. Review and prune unused terms quarterly

Format Tips

  • Include phonetic hints for unusual pronunciations
  • Add capitalization variations (API vs api)
  • Include plural forms if they differ

Expected Improvement

A well-maintained custom dictionary typically improves accuracy by 20-30% for specialized content. The ROI in time saved editing transcripts is substantial.

Built-in Dictionary

Sotto includes easy custom vocabulary management. $29 one-time.

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K

About Kitze

Creator of Sotto and indie developer building tools for productivity. Passionate about local AI and privacy-first software.

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