Fact · Dictation in your apps
Microsoft's accuracy advice for PowerPoint Dictate includes avoiding or eliminating background noise that may interfere with your voice.
Checked against its source on October 17, 2026
In the source's own words
“avoid or eliminate background noise that may interfere with your voice”
Dictate your presentations and slide notes in PowerPoint, Microsoft Support, 2026, Troubleshooting: Accuracy issues or missed words.
Open the original- What it measures
- The same troubleshooting section advises a fast and reliable internet connection, a deliberate speaking pace and a good microphone.
- What it does not show
- The advice is general. The page gives no measured accuracy figure for noisy rooms.