Someone is reading beside an open window. Rain starts tapping against the sill. They look up, close the window, and return to the book. The rain continues, quieter now.
In this imagined scene, the camera never leaves the room.
I offer access to Seedance 2.5 on my site. For a scene like this, I’d plan what the person hears before deciding how they move.
Give the reader something to notice
“Rain in the background” leaves an important choice open. A distant downpour and a few drops striking the sill give the person different reasons to react.
Here, the nearby tapping is enough. Let the first drops arrive while the reader is still looking at the page. Their glance toward the window follows the sound. A brief pause before reaching for the handle gives that glance room to register.
Keep the room audible too. A page turning or a chair shifting can place the rain outside an otherwise quiet interior. There’s little reason to add music or thunder to this small moment.
Let the closed window change the sound
Once the window shuts, the rain should sound softer and less sharp. Keep some of it audible through the glass. The weather continues, but the closed window changes how it reaches the room.
If the generated audio doesn’t make that distinction, adjust it in the edit. Place the change where the window actually closes. Cutting the rain completely could make it seem as though the shower has ended.
The reader finds their place on the page. A faint patter remains outside. The shot stays with the book and the person, while the sound gives us a sense of the space beyond the window.