Open aa3 file
Did your computer fail to open aa3 file? We explain what aa3 files are and recommend software that we know can open your aa3 files.
What is aa3 file?
Files with aa3 extension is used for a special Adaptive Transform Acoustic Coding (ATRAC) format used by Sony for their MiniDisc format.
aa3 file description
The aa3 file extension is mainly related to a proprietary audio format used by Sony - ATRAC.
Adaptive Transform Acoustic Coding is an audio compression technology for MiniDisc media. The format is no longer actively used.