AC3 Filter 1.20b:
AC3Filter is high quality freeware DirectShow audio decoder and processor filter used to decode audio tracks in movies (DVD, MPEG4 and others). It has a priority on wide functionality and convenient settings.
AC3 Filter can decode following audio formats: AC3 / DTS / MPEG Audio. It also supports multi-channel and digital (SPDIF) outputs.
Features of AC3 Filter 1.20 :
- Decode AC3/DTS/MPEG Audio Layer I/II formats
- MPEG1/2 PES demultiplex (for DVD support)
- PES/LPCM format support
- AVI/AC3, AVI/DTS, WAV/AC3 and WAV/DTS support
- AC3/DTS/MPEG Audio SPDIF passthrough support
- AC3 encode to output any multichannel source to SPDIF
- Detailed input bitstream format information
- Automatic Gain Control
- Dynamic Range Compression
- Online output configuraion change
- Upmix from any stereo source to 3-6 channels
- Downmix to DolbySurround/ProLogic/ProLogic2
- Input/output levels indication
- Per-channel gain for all input/output channels
- Per-channel delays
- Direct access to mixing matrix
Tags :
- Audio Codec Tag 2000 may be requested when AC3 Filter is missing.
- Audio Codec Tag 8192 may be requested when AC3 Filter is missing.
- It also solves AC3 DVM codec missing, reported by AVIcodec utility.
Changes in AC3 Filter 1.20b :
- 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
Changes in AC3 Filter 1.11 :
- Now filter saves output settings to preset (so now you can create presets with different output configurations)
- Tray icon and some other options display fixed
- Fixed crash with TMPEnc
download:
http://www.free-codecs.com/download/AC3_Filter.htm