MacRumors shows you how to use the sound recognition accessibility feature in iOS 14.
How to Use the Sound Recognition Accessibility Feature in iOS 14
In iOS 14 and iPadOS 14, Apple has added an accessibility feature called Sound Recognition that enables iPhones and iPads to listen for certain sounds, like a doorbell or a baby crying, and alert the user if they're detected.
How to Use the Sound Recognition Accessibility Feature in iOS 14