How to remove extraneous noise in the application?

Question

C++ / C#

I added music to Unity, but in addition to the fact that the application now thinks longer, the music also hisses when I launch the application on the phone. With applications from Google Play, this is not the case. Please tell me how to fix this.
On a computer in unity, it does not hiss, only on the phone.
When you stop the music or go to a new scene, there is also some extraneous sound.
Here are the audio settings: