Hello userallex-stasiuk,
Welcome to the QuickBooks Community! It's a great place to get answers for questions like yours about QuickBooks Self-Employed. I'd be delighted to help you with the sound you're hearing when using the program's Snap Receipt feature in the mobile app.
There have been other users reporting this sort of sound when taking pictures of receipts as well, and what we've found is that it's happening for users with the Android mobile app. With that in mind, we wrote up the following article to help you out with this: Fix a sound issue when you capture receipts in the QuickBooks mobile apps for Android. As you'll see from reading the article, there are just a few easy steps to take in your camera's settings that should do the trick.
Give that a shot! It should do the trick for you, and then you can get back to snapping your receipts. Let me know how it goes.
