AC3 Filter

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. Features: - Decoding of AC3/DTS/MPEG1/2 Audio Layer I/II formats - Support of DVD, AVI/AC3, AVI/DTS, WAV/AC3 and WAV/DTS - Audio processing for any source - Decomposition of any source to 6 channels - Full information about audio track format - Support of SPDIF passthrough mode - Multi-channel audio output from all sources on SPDIF (on-the-fly AC3 encoding) - Per-channel amplification for all input/output channels - Per-channel delays (for compensation of distance difference to speakers) - Automatic gain control - Clipping - Dynamic Range Compression, DRC - Level indication for input and output channels - Matrix mixer and ability of direct modification of mixing matrix - Dolby Surround / Pro Logic / Pro Logic II Downmix