An easy way to remember what is used in 'Acoustic Encoding' is to think of an acoustic guitar. What is an acoustic guitar used for? It is used to make <em>sound</em>.
<span>Acoustic encoding refers to the process of creating memories by linking them to sounds. The auditory signals, otherwise called sounds activate mechanical receptors in our ears which generates a sensory information that is analyzed in the brain. A sound later gets encoded, classified and stored as a memory.