The sound on my computer is not working properly. When I play mp3, mov, wav, wmv, wma, rm, and avi files, there is a beeping/crackling noise. Most of the time the jibberish noise is complete. Sometimes, a bit of the intended audio can be heard through the beeping/crackling. The only audio that plays well is from YouTube videos and .flv files. I have a Creative SoundBlaster Audigy sound card. I have uninstalled and reinstalled the drivers for the sound card with no success. I have removed the sound card and reseated it with no success. My speakers are 6.1 Cambridge...