camera sound

there you have two ways to do this .

one is with samsung good lock routines and another is put your phone silent mode.

bixby supported devices can do it with another bixby routines

There is no official way to turn off shutter sound.
The only way to turn off shutter sound is to mute your device while taking photographs..
or
if your device supports Bixby routines..then select your routine and turn off camera sound..(best and an effective way)..