It was several seconds before it occurred to him that he had not taken in a word of it; there was a wasp buzzing distractingly against one of the high windows.
We know in analog film, there's a little bit of a slight vibration in the film image, but if it were to regularly distractingly move up and down, we would try and eliminate that to a degree.
But one gets only a confused notion of these details when they surround a distractingly pretty girl of seventeen, standing on little pattens and rounding her dimpled arm to lift a pound of butter out of the scale.