[ubuntu] No radio stream works in any app

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http://ubuntuforums.org – hey, i use Clementine for listening music and radio(the ones from its own list). but a few days back i tried playing it, no radio station worked, i thought i was player problem so i installs RADIO TRAY app, even that also did not played anything. i am using Ubuntu 12.04 can someone help me what exact plugin or anything am i missing? thank you (Hardware)