Place it at the turning point of a short edit, right after the setup and just before the payoff, then follow it with a bigger reaction such as Oh My God Wow to escalate the moment, or use Huh before it when the confusion needs to build first.
इस साउंड के बारे में
This is a short human 'ah' lasting about a second and a half, spoken as one clear exclamation with no other words, music or effects behind it. It gives a light sense of surprise and sudden realisation, quick and easy to read without feeling dramatic or overplayed.