M4P input plugin
Allows you to associate M4P (iTunes MusicStore encrypted files) and M4B (protected Apple/Audible audiobooks) files with Winamp 2 or Winamp 5.
DC-Bass Source Filter
DC-Bass Source Filter is an audio decoder which can be integrated with DirectShow applications.
Media Foundation FLAC Codec
Media Foundation FLAC Codec is able to decode the FLAC format. At the same time, it is a Windows Media Foundation file source.
Nero AAC Codec
Nero AAC Codec helps you convert audio files to the MP4 file format using a command line interface. If you prefer a graphical user interface, install LameXP on your computer.