Exactly.
All an internal construct based upon acquired data.
And for sure, you don't here words. You convert sound waves into internal noise, which you might regard as words or music etc.
Though internal word constructs relative to established data, is how it works for everyone...Nothing crazy about it.
As I type this message, I simultaneously hear the words in my head.
So GOD is your own internal simulation, based upon a similar hand me down simulation.