RF and EMI, google those
by Willy - 11/9/11 4:38 AM
In Reply to: USB Powered by andylopsky
It appears you need a better speaker setup that is in itself better shielded. If, you're that close to the radio station, you're going to have problems. Your USB setup is basic and simple and easily over comed, even if its a good one. You need to build an access for a Faraday shield or surround your cables/speakers better with protection. Google Faraday and get the idea what it does. Your PC should be using a AC 3-prong plug which should be a grounded household connection. As others stated this can help if a source of improper grounding. Even though your speaker setup uses USB, the PC needs to be grounded.
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