How do you know if a tree that fell in the forest made a sound?

the quantum level of description is a luxury:

Conscious intentional communication, which we perhaps too hastily attribute to human beings as a mark of distinction, becomes a limited domain, the only domain where the distinction between desirable and ‘spurious’ uncertainty pertains. We may have to concede that the centrality of human communication, understood as a semantic and culturally saturated information system is, at least in principle, neither the first system in which information processes occur, nor necessarily the most efficient.