AC3 Filter 2.6b is the final release of a free DirectShow audio decoder that offers unusually granular AC3, DTS and MPEG processing - per-channel equalization, dynamic range compression and SPDIF passthrough - in a single filter.
Realtek HD Audio Codecs is the most widely installed audio driver on Windows, powering sound on virtually every desktop and laptop motherboard built around a Realtek ALC chipset.
VoxWare MetaSound Audio Codec is a discontinued ACM voice codec from the early 2000s that decodes ultra-low-bitrate speech audio identified by Audio Codec Tag 75 in legacy multimedia files.
