Cochlea a protein motor called prestin on their outer membranes; it generates additional movement that couples back to the fluid–membrane wave. This "active amplifier" is essential in the ear's ability to amplify weak sounds. The active amplifier also leads to the phenomenon of soundwave vibrations being emitted from the cochlea back into the ear canal through the middle ear (otoacoustic emissions). Otoacoustic emissions are due to a wave exiting the cochlea via the oval window, and propagating back through the middle ear to the eardrum, and out the ear canal, where it can be picked up by a microphone. Otoacoustic emissions
Where the Dream Takes You the film's end credits in order to adhere to tradition. Disney hired Mýa to record a pop song for the "Atlantis" soundtrack because of the studio and singer's shared business relationship with A&M/Interscope Records. A downtempo pop and R&B ballad, "Where the Dream Takes You" is an inspirational song about following one's heart and self-discovery, alluding to the film's central plot about a young adventurer searching for the lost city of Atlantis. Both Warren and Howard collaborated on the song's melody, which borrows from Howard's own orchestral score, while Warren wrote the lyrics. "Where the Dream Takes You" is the