The Backrooms began as an internet creepypasta describing endless, empty yellow rooms that feel familiar yet deeply wrong, and it quickly grew into a large online genre of photos, videos and games built around liminal spaces. A no-signal sound fits that world because it suggests a place cut off from the outside, with only humming lights and dead air left behind. Creators keep using this kind of audio for horror edits, analog horror projects and atmospheric montages because it instantly signals isolation without needing dialogue, a monster or a sudden scare.