[qsera]

>Because you can't even define what consciousness is, let alone objectively test for it.

Exactly. So if we understand "hearing" as something registered by consciousness, then implicitly things that are not conscious cannot "hear".

>reduce the human auditory process

Yes, human auditory process, yes. "Hearing" no. I see that you cleverly switched to the "auditory process" instead of "hearing". moving goal posts, are we?