You need to go to settings and enable first 2 options, then try and see if it process the sound if not go again to settings and disable the first option. I did all this steps while listening to a song and it worked.
In android 10 viper4android causes problem. There is a way to install the driver anyway. I already installed it using that trick. But I am just too lazy at the moment to search and give you the link to that tutorial...