$ sudo apt-get update
$ sudo apt-get install libfdk-aac0 

libfdk-aac0 is installed in your system.

Make ensure the libfdk-aac0 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libfdk-aac0 *

You will get with libfdk-aac0 package name, version, architecture and description in a table

libfdk-aac0 package basic information: