AAC Box - Version 2.2.14 AAC Box is a sound editor for Windows that lets you make and edit voice and other audio recordings. You can cut, copy, and paste parts of recordings and, if required, add effects such as echo, amplification, and noise reduction. AAC Box supports all major audio formats. AAC Box supports mp3 VBR codec and Windows Media 9 format. AAC Box also supports ID3 tag and CDDB.