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Place it just before the on-screen reply appears, then follow it with a reaction sound once the message is read. Pair it with a tap sound for the phone interaction, and keep it before any punchline so it sets up the joke.
关于此声音
This is a short, clear whistle lasting about 1.3 seconds, the kind of alert that signals a new message has arrived. It feels cheerful and instantly attention-grabbing, cutting through background noise without sounding harsh or urgent. It works as a friendly nudge rather than a demanding alarm, so it suits casual chats and light-hearted conversations.
