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This clip is credited to Japanese sound designer Taira Komori, known for sharing short, practical effects online, and it circulated on soundboards tagged for SCP. The title refers to a medium-level warning, which explains its restrained but insistent tone compared with a full danger alarm sound effect meme. SCP fan games, roleplays and videos adopted it for containment breaches, facility lockdowns and timed escapes, where a recognisable alert is needed without dialogue. Its short length and clean loopable pulse have kept it in use for quick alert gags and serious horror scenes alike.
About this sound
A short medium level alarm sound effect with a repeating warning tone, used for SCP games, emergency scenes and alert moments in videos and edits.
This is a brief, urgent alarm clip built around a steady electronic warning tone that repeats for just under four seconds. The pitch sits in a middle register, loud enough to signal danger without becoming a full siren, which gives it a tense, official feel like a facility alert. It cuts in instantly, holds the pressure for a few beats, then stops clean, so the listener understands something has gone wrong. Creators use that clarity to add instant stakes to a scene, turning an ordinary moment into an emergency or containment problem.
