Convert MOV to M4A
Drop the picture from a MOV and keep the sound as an M4A, a small file that fits right into an Apple library.
From
To
MOV
Apple's QuickTime video format. What iPhones and Macs record and edit in; other devices often need it converted first.
M4A
The AAC audio container used by Apple Music and iTunes. Better quality than MP3 at the same size.