If you can hear the crowd noise or people cheering while watching TV, disable the Live Football mode setting. Live Football mode simulates cheer sounds that is added into the original sounds of the game in order to enhance the football experience. So, if you watch programs other than a stereo broadcast of a football program with Live Football mode on, you may hear a simulated cheer sounds.
NOTE: Live Football mode suppresses the mono sound and then adds the simulated cheer sound. If the audio source is mono, most of the sound of the audio source is suppressed and then only added simulated cheer sound is heard.