AC3Filter

AC3Filter - it is DirectShow filter for AC3 decoding to play .AVI with AC3 audio tracks and MPEG2 (DVD). Distributed absolutely for free (FREEWARE, OpenSource). Sorry if my English is bad, but I think it is better to have something than nothing.

Main features:

• Full AC3 standart compliance.
• S/P DIF passthrough support.
  
• Decode MPEG2 PES streams.
• Multichannel output support.
• LFE support.
• Dynamic Range Compression (DRC) support.
• Overflow control and automatic gain control.
  
• Gain levels control.
• Bitstream information (channel format, bitrate, sample rate, coupling freq and maximun freq).
• Input/output levels.
• Matrix mixer with direct control of mixing matrix.
• Stereo to multichannel mixing.
• DolbySurround/ProLogic/ProLogicII downmixing.
• Equalizer.

Other tools available from the same author:

• AC3Filter tools is a set of command-line tools for manipulating audio files. It includes AC3 encoder and decoder, SPDIF format converter, parametric filter, graphic equalizer and more.
• AC3File - AC3File is a DirectShow source filter. It is required to read any kind of AC3 or DTS files.
• Spdifer - Spdifer is a DirectShow filter that allows media players to passthrough multi-channel sound to the digital (SPDIF) output without any change, so an external receiver can decode it.

This software has the following sub editions:

AC3Filter<==

• AC3Filter tools