Fact · Dictation on Windows
Voice Isolation can still pick up someone who speaks at the same time as you.
Checked against its source on October 16, 2026
In the source's own words
“If someone speaks at the same time as you (overlapping speech), Voice access may still occasionally pick up their voice alongside yours.”
Improve speech recognition with Voice access, Microsoft, Microsoft Support, 2026, Frequently asked questions: Can Voice Isolation separate my voice from multiple speakers?.
Open the original- What it measures
- Microsoft's FAQ on the limits of Voice Isolation.
- What it does not show
- Microsoft also says similar voices are harder to filter out and that background speakers should be quieter than you.