Lightning and local radio waves contribute to the chaotic sound.
Most of the static comes from the internal components of the TV heating up. TV no signal SOUND EFFECT
The "TV No Signal" sound effect—often a harsh, grainy hiss—is more than just technical failure. It is a sonic remnant of the analog era that connects living rooms to the furthest reaches of the cosmos. The Physics: A Whisper from the Big Bang Lightning and local radio waves contribute to the