This sound has no widely recognised film, television or meme origin, and it appears to have been shared simply as a labelled frequency tone. Short test tones like this are commonly uploaded to soundboards because they are easy to reuse, easy to recognise and useful across many kinds of edits. Its value comes from that versatility rather than from a famous scene, which is why creators tend to use it as a functional effect for alerts, errors and tension instead of as a joke or reference.
關於此聲音
A short, sharp high-frequency tone sound effect lasting about five seconds, often used in edits, tests and alerts to grab attention or signal a glitch.
This clip is a clean, sustained high-frequency tone that holds steady for just under five seconds, with a thin, piercing quality that cuts through other audio rather than blending into it. It does not rise or fall much, which makes it feel clinical and slightly unsettling, like a test signal or a device warning left running. Listeners notice it immediately, even at low volume, and it creates a sense of alertness or tension that works well when a scene needs an abrupt, attention-grabbing interruption.