Starting in iOS 15 and iPadOS 15, you can use Portrait mode to blur the background in FaceTime video calls. You can also change microphone modes to Voice Isolation to block background noise and highlight your voice, or Wide Spectrum to include all the sound around you.

To learn more about this topic, visit the following articles:
Use FaceTime with your iPhone, iPad, or iPod touch: https://apple.co/3nQL7mg
Use Center Stage on your iPad Pro: https://apple.co/3nTOJUH
Join a FaceTime call from an Android or Windows device: https://apple.co/2ZkHieT

Additional Resources:

Contact Apple Support for iPad: http://apple.co/iPad

To subscribe to this channel: https://www.youtube.com/c/AppleSupport

To download the Apple Support app: http://apple.co/2hFtzIv

Apple Support on Twitter: https://twitter.com/AppleSupport

For more videos, go to Youtube Apple Channel