Sound in Vacuum

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Sound in Vacuum

Star Wars is probably best known for its epic space dogfights. We can hear blaster and engine sound in those space scenes. Space is a vacuum, however, and since sound requires matter to propagate, the audience should not hear any sound.
This has been explained in some Star Wars media as the result of a sensor system that creates three-dimensional sound inside the cockpit or bridge matching the external movement of other vessels, as a form of multimodal interface.