From understanding the version compatibility to execution and troubleshooting, here is how to get studio-grade transcripts. Understanding the Version Landscape
To get the absolute highest quality and the specific features of the v21.6 engine, you will need to update your Premiere Pro application to a version that natively supports this updated language pack. How to Get Extra Quality Transcripts adobe speech to text v216 for premiere pro 20 extra quality
Use the Essential Sound panel in Premiere Pro to reduce background noise and rumble before running the transcription. adobe speech to text v216 for premiere pro 20 extra quality