Audio Codecs

AAC ACM Codec provides users with an easy way of decoding AAC in VirtualDub and other ACM clients.

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.

AC3Filter.ACM is an extremely useful application serving as an AC3 decompressor for VirtualDub or any VFW application.

ADX Decoder Directshow Filter is needed in order to decode ADX streams found in WAV and AVI files.

Aud-X surround codec is recommended for use with MPEG4 (XviD/DivX) movies and it enables you to encode AC3 and WAV values.

Bass Audio Source is a free DirectShow filter that adds BASS library audio decoding to Windows media players.

Convolver is a plug-in for Windows Media Player and any other application that works with DMOs and DirectShow filters.

CoreFlac is a DirectShow-based tool for the FLAC audio codec which enables you to play files containing FLAC audio in a variety of media players.

CoreWavPack enables you to play WavPack files (WV and WVC) in any DirectShow based media player, such as Windows Media Player, Zoom Player, MPC-HC and GOM Player.

DC-Bass Source Mod decodes an unusually wide range of formats - from APE and TAK to tracker modules and Shoutcast streams - through a single BASS-powered filter.

DC-Graphic EQ Filter is another useful tool from DSP-workx which provides 31-band graphic equalization for MS DirectShow.

DivX MPEG-4 Audio Compressor is a legacy ACM audio codec that restores sound to early-2000s AVI movies made with the original DivX hack.

Microsoft's free Media Foundation decoder for Dolby Digital AC-3 and Dolby Digital Plus, the direct replacement for the codec Windows 11 24H2 no longer includes.