Place it at the very end of a chat skit, after the WhatsApp message sound has announced the incoming voice note and the other sounds have played out. Follow it with nothing, or put the opened the audio clip just before it so the goodbye closes the exchange.
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This one-second voice clip says a brisk Spanish goodbye, 'chao, corto,' in a clipped, matter-of-fact tone that sounds like someone ending a call without ceremony. It feels abrupt and lightly playful, the kind of sign-off that lands as a joke when a chat drags on, a friend overstays, or a conversation has simply run its course.