exactly the same as me! and "shadow sounds" is the perfect term for it! almost any motion involving acceleration generates shadow sounds, for example watching

exactly the same as me! and "shadow sounds" is the perfect term for it! almost any motion involving acceleration generates shadow sounds, for example watching people walking creates a wooop-wooo-wooop-wooo (rising-falling) sound flashing lights (emergency services) is the most powerful, like you it's "thumps" at different pitches timed exactly to the lights I also get the same in reverse: when I listen to music I "see" moving shapes in a dark space