Theoretically, merging AC3 files should be extremely simple in this era of merging software emerging in an endless stream. Indeed it is, but challenge is how to find a specialized joining program of excellent price to join AC3 files. When people ask how to combine multiple AC3 files into a large one, what they truly want to know is how to choose an optimal AC3 joiner. To give help, below list 4 best audio joiners that you can take to merge AC3 files.