Home > Audio Troubleshooting > Noise Noise     Cracking Or Popping While The TV Is Warming Up Or Cooling Down   The Speakers Are Buzzing   Your LCD TV Is Making A High Pitched Whistling Sound, Hum, Buzz, or Squeal   Was this article helpful?  Yes  Somewhat  No If none of the articles addressed your problem, please take a few minutes to describe the problem below.