It'll all be OK.
You can watch the video version of me in the forest (so exciting, I know) here: https://repossible.teachable.com/courses/audio-for-authors/lectures/15330716
Audio has been around since, I suppose, the spoken language. The difference now is distribution and availability. Audiobooks, podcasts, smart phones, voice controlled home...
The product is called, loosely, Dragon Dictation. It’s made by a company called Nuance. There are versions for the PC, an old one for...
This is where things can get exciting with your book as a podcast as opposed to (or in addition to) an audiobook.