AC3Filter 1.20b

AC3Filter is a high quality free DirectShow filter designed for real time audio decoding and processing. It has a priority on wide functionality and convenient settings. Filter can decode following audio formats: AC3/DTS/MPEG Audio. It also supports multi-channel and digital (SPDIF) outputs.


  • 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.

  • Fixed bug with some 14bit DTS streams
  • SPDIF input support
  • Autodetection of SPDIF stream in PCM16 data
  • New SPDIF/DTS passthrough mode
  • DTS conversion to 14bit to decrease the level of possible noise
Download: AC3Filter 1.20b | 2.03MB (Freeware)
Screenshot: >> Click here
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