aften: aften (Fifty-Two ENcoder) aften: aften: Aften is an audio encoder which generates compressed audio aften: streams based on ATSC A/52 specification. aften: This type of audio is also known as AC-3 or Dolby Digital aften: and is one of the audio codecs used in DVD-Video content. aften: aften: Homepage: http://aften.sourceforge.net/ aften: aften: aften: