Fact · Dictation on Windows
The Voice Isolation setup downloads a small model, which needs an internet connection.
Checked against its source on October 16, 2026
In the source's own words
“Before recording begins, a small download will start. You'll need an internet connection for this step.”
Improve speech recognition with Voice access, Microsoft, Microsoft Support, 2026, Set up Voice Isolation: Download the voice model.
Open the original- What it measures
- The download happens before you read the setup paragraph aloud.
- What it does not show
- The download is described as one-time; the page does not give its size.