Xperia X sounds always when unlock

[Nebbia81]

When I unlock my new Xperia X (34.3.A.0.252, Android 7.1.1), with fingerprint or other ways (sequence) it always sounds a weird bip (the same sound that it makes when you close a Google voice research without results) with volume of multimedia and also if it sets on don't disturbe or only vibrate...Do you know why?? How can I exclude it? Does it happen to someone else? THX!

[Strampke]

Maybe you can find the proper setting like this:

goto settings-> tap on magnifying glass-> type sound

Several possible settings will be displayed, amongst which: lock sound

[Nebbia81]

Thanks Stampke, but obviously it's not so simple... There are "sounds and vibration", "sounds at the press" and "other sounds" (these are what I traslate from Italian...). I thought that the right was other sounds -> sounds of block screen...but it is already disabled.