Put it at the start of a caption sequence, before the reveal, then follow the finished line with a bell ding to mark the message as sent. For a mystery edit, cut to a camera shutter after the typing stops, then let a dramatic dun dun dun hold the pause before the answer appears.
關於此聲音
This four-second clip captures a classic mechanical typewriter in full flow, with sharp keystrokes landing in quick succession and the carriage rattling between lines. It feels busy and slightly mischievous, like someone racing to finish a note before anyone notices. The old-fashioned clatter gives plain text a tactile, retro energy without needing one on screen.