You can download AC3 Filter 1.4 from our software library for free. This download was checked by our antivirus and was rated as virus free. The most popular version among the program users is 1.6. The program's installer file is commonly found as ac3config.exe. AC3 Filter belongs to Multimedia Tools. The actual developer of the free program is Alexander Vigovsky.
From the developer:
AC3Filter is a high quality free audio decoder and processor filter. It allows media players to playback movies with AC3 and DTS audio tracks. Also it can process any audio track, much of processing options allows to adjust the sound in almost any way. It is possible to upmix any audio source to 6 channels. Filter can do multi-channel and digital (SPDIF) output. It can encode any audio source to AC3 on-the-fly and send it over SPDIF to the receiver.
You may want to check out more software, such as Filter Forge Freepack 2 - Photo Effects, Filter Forge Freepack 6 - Patterns or Fil Filter, which might be similar to AC3 Filter.