aften: aften (ATSC A/52 (aka AC-3) audio encoder) aften: aften: A A/52 (AC3) -compatible audio encoder based on FFmpeg. aften: aften: This type of audio is also known as AC-3 or Dolby(c) Digital and is aften: one of the audio codecs used in DVD-Video content. aften: aften: aften: aften: aften home: http://aften.sourceforge.net/ aften: