Report "I have an Emerson LCD 20inch screen at work. I am able to hear all channels, accept of CNN, HLN, FoxNews, and the Weather Channel. My coworker has the same brand of tv as I do, and she also can't hear those channels. However another colleague has a different brand, and she is able to hear those channels. The SAP option is not on those channels, is there any suggestions that could help"