foobar2000 is an advanced freeware audio player for the Windows platform. Supported formats include MP3, MP4, AAC, CD Audio, WMA, Vorbis, Opus, FLAC, WavPack, WAV, AIFF, Musepack, Speex, AU, and SND. foobar2000 also supports ripping audio CDs as well as transcoding all supported audio formats using the Converter component.