The real Adobe Speech to Text uses a neural network trained on thousands of hours of English (and 17+ other languages). That model is updated server-side by Adobe. A locally installed “v2.16 extra quality” cannot magically improve the model—it is either the same model or an outdated, less accurate offline version. Any claim of “extra quality” is a lie to drive downloads.
Adobe generally aligns its Speech to Text module versions with the major Creative Cloud release years. If you are looking for version 21.6, you are looking at the advanced, modernized AI engine found in the newer Premiere Pro 2022, 2023, and 2024 rollouts. adobe speech to text v216 for premiere pro 20 extra quality
v216 Compatibility: Adobe Premiere Pro 2020 Quality Tier: Extra Quality The real Adobe Speech to Text uses a