Slight random flickering on CW

Hi Kim, check the connections between your TV and the cable box to make sure none of the cables are crimped, damaged, or loose. Check the input ports on the TV and the cable box for signs of damage. Tighten any coaxial cable connections and firmly press any HDMI, component or composite cables into your TV and input devices. Your Vizio TV may include advanced audio settings that can cause popping sounds in your TV. One at a time, disable the SRSTruVolume, SRSTruSurround and Lip Sync settings in the television's "Advanced Audio" menu and see if the popping noises persist. Switching your audio source from "HDMI Auto" to "HDMI Fixed" may also resolve this issue by providing a stable audio stream to your TV. What other devices connect to your television? Most electronic devices emit radio waves, which can interfere with your television's signal. Remove extraneous devices away from your television. Disconnect video game consoles and DVD players while you are watching live TV and see if the sound persists. -Becky, Cox Support Forums Moderator