AC3 Filter 1.01a RC2

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Posted on Sunday 23rd of May, 2004 at 11:42 by Blade
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AC3Filter is a DirectShow filter for AC3 decoding to play AVI with AC3 audio tracks and MPEG2 (DVD), distributed for free.

Features of AC3 Filter 1.01a RC2:

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

Changelog from AC3 Filter 0.70 beta to AC3 Filter 1.01a RC2:

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
Serious bug in decoder fixed. Sound is _much_ better now especially on low bitrates
Some optimizations
Updated DPLII downmix matrix according to