For permanent changes in controlled environments, you can manually edit application.xml :
1. Enhanced Speech-to-Text & Transcription (Native Accuracy) premiere pro language packs exclusive
Change the value to your desired language code (e.g., en_US for US English, es_ES for Spanish). Restart the software to apply the changes. Method C: Adding Exclusive Speech-to-Text Languages For permanent changes in controlled environments, you can
Use English-plus-number naming conventions for all project files, assets, and exports. Avoid special characters that may cause cross-system encoding issues. The English language pack comes pre-installed with Premiere
Premiere Pro currently supports for its on-device Speech to Text transcription feature. The English language pack comes pre-installed with Premiere Pro. All other language packs must be downloaded separately. Each pack is approximately 650 MB in size.
Click the (More actions) next to the "Open" or "Update" button. Select Get add-ons from the dropdown menu.