zver
1
Well,this is the best ac3 ds filter-for sure..Its free too 
Check it out at http://www.free-codecs.com/download/AC3_Filter.htm
Check the features out..
Features of AC3 Filter 1.01a RC1:
- Full AC3 standard 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.
- Delays for each channel.
- Equalizer.
Changes from AC3 Filter 0.70 beta to AC3 Filter 1.01a RC1:
* First working alfa for new filter generation
* Totally rewrited
* 10%-20% faster
* Level meters are now syncronized with playback
+ DTS decoding support (including AVI/DTS and WAV/DTS)
+ MPEG1/2 Audio Layer I/II decoding support
+ DVD/LPCM decoding support
+ Audio processing for any kind of audio track
+ AC3/DTS/MPEG Audio SPDIF passthrough
+ Real-time AC3 encoding for multichannel SPDIF output
+ More powerful dynamic range compression
+ Bass redirection crossover frequency
+ Per-channel gain control
- equalizer
- save configuration to file
This is a must for everybody who watching the movies from pc over tv out when ac3 is involved(and is getting used more and more)
Check it out at http://www.free-codecs.com/download/AC3_Filter.htm
Check the features out..
Features of AC3 Filter 1.01a RC1:
- Full AC3 standard 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.
- Delays for each channel.
- Equalizer.
Changes from AC3 Filter 0.70 beta to AC3 Filter 1.01a RC1:
* First working alfa for new filter generation
* Totally rewrited
* 10%-20% faster
* Level meters are now syncronized with playback
+ DTS decoding support (including AVI/DTS and WAV/DTS)
+ MPEG1/2 Audio Layer I/II decoding support
+ DVD/LPCM decoding support
+ Audio processing for any kind of audio track
+ AC3/DTS/MPEG Audio SPDIF passthrough
+ Real-time AC3 encoding for multichannel SPDIF output
+ More powerful dynamic range compression
+ Bass redirection crossover frequency
+ Per-channel gain control
- equalizer
- save configuration to file
This is a must for everybody who watching the movies from pc over tv out when ac3 is involved(and is getting used more and more)