voice

Testing, testing, one, two... is this thing on? Alright, they welcome everyone and thanks for coming. Oh, wait... who am I talking to? There is nobody here. Just me, myself and I alone.

That explains why it's so quiet. Just that one sound in my head as I narrate this text, narrate my thoughts into words. An essential skill to get them out and share with others. So they don't need to be mind reader's or try to guess what I am thinking.