sound@gentoo.org Gentoo Sound project Enables Adaptive Multi-Rate Audio support Support Dolby B like noise reduction with media-libs/libdolbyb Enables ID3 tagging with id3tag library Support loudness normalisation according to the EBU R128 standard using media-libs/libebur128 Enable support for sndio Support for automatic gain control, denoise and dereverb with media-libs/speexdsp Enables twolame support (MPEG Audio Layer 2 encoder) cpe:/a:sox_project:sox srcux