AC3Filter is an audio decoder and processor filter for AC3 and DTS audio tracks. It adds support for playback of AC3 and DTS audio tracks in software like Windows Media Player. Processing supports an up-mix of any audio source to 6 channels or down-mixing to stereo from surround sound. Both analog multi-channel and digital (SPDIF) output are supported. AC3Filter encodes any audio source to AC3 on-the-fly and send it over SPDIF to your receiver.
