Put it at the very start of a travel edit, just before the destination reveal, then follow it with a bell ding to mark the announcement and a dun dun dun when the surprise twist lands.
關於此聲音
This is a short 1.9-second aircraft cabin call, the bright chime a flight attendant uses to signal passengers and start an announcement. It feels crisp, official and expectant, like a room suddenly going quiet before instructions begin, and it works because it instantly puts listeners in a plane cabin waiting to hear what comes next.