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下載 MP3 
Place this clip just ahead of the reveal in an edit, then follow it with a classic error sound once the problem is confirmed on screen. For a bigger build, let a dun dun dun sound open the sequence and save this siren for the escalation before the cut.
關於此聲音
This clip is a fast, long warning siren effect lasting about six seconds, with a rising and falling alarm tone that repeats in quick cycles. It gives listeners an immediate sense of urgency and tension, like an emergency alert cutting through a quiet scene, making even a small mistake feel suddenly serious and impossible to ignore.
