So I'm just surfing the web and all of a sudden, I hear what sounds like my TV! I thought it could be one of those annoying web ads so I shut down all of my windows and I still hear the noise. I reboot my PC and while it's going down I still hear it. That's when I realized my speakers which share my PC and HR20 were probably putting out audio from the HR20 which was in standby. Sure enough, that's where the noise was coming from. I figure I red button reset that too and when it went into standby after coming back up, the sound returned again about 30 minutes later. I thought standby also turned the audio off (At least it has for the past month or so until this weekend)????