Simple question, or is it...

a re-creation of an acoustic wave(s) involving continuously varying amplitude(s) and frequency(ies).

captured via _____, recreated via _______

  djones51 ...
   

• "Let's return to the mundane question of audio signals and leave the miracles for religious charlatans ..."

"That which is hidden from the most learned is revealed to mere children."

When I was a child, I talked like a child, I thought like a child, I reasoned like a child. When I became a man, I put the ways of childhood behind me.

The sum of their educational growth = an Online Degree, from Wiki  (iow: a BS Degree).

Knowledge can be defined as what’s left after you subtract out all the stuff you learned in school but forgot a long time ago. Past a certain point information retention is replaced by a different kind of retention. 😬