I have a small home recording studio. I record my digital piano directly into my laptop. Recently, I relocated to another country, and now when I start up my laptop I hear a radio station distinctly playing through the speakers of my computer system. Also, I have heard various clicking sounds at times. Is there some unit or device that can remove unwanted radio and electrical signals from interfering with my recording?
Is it interfering with your recording or is it just coming through external speakers? If it’s just with the speakers, You can use ferrite clamp-on chokes if you are using coaxial type (round) speaker cable. If you are using 2-conductor zip (flat) cord, you can use ferrite cores.
What is it you are hearing in the speakers? Is it music or voice? If voice, is it understandable or is it kinda muffled and sounds like a duck on helium? If it is the later, it’s a Ham radio operator, probably operating on high power. He (or she) might be willing to help you with the problem. If your speakers use 2-conductor zip cord. You can also put a 47 pf capacitor across each speaker jack.