You can go to http://www.free-codecs.com/download/ac3_filter.htm and download the divx ac3 codec is a filter that allows freeware DirectShow audio decorder and processor to filter and decode audio tracks in movies DVD, MPEG4, etc. It also has channel amplification and delays for speakers that may be distance. It also saves your output signals to preset settings so you can create different
. preset settings.
