Place it at the end of a setup, after Ceeday Huh introduces the confusion and before Nelson's Ha-Ha closes the exchange, so the sequence moves from question to answer to laughter.
이 사운드에 대해
This is a short spoken reaction centred on the single word loh, lasting about 2.7 seconds. The voice carries a dry, knowing edge, as if the speaker has heard the same claim too many times before. It lands as dry amusement, making it useful for a reply that dismisses an idea without starting an argument.