mad: mad (high-quality MPEG audio library and decoder) mad: mad: MAD is a high-quality MPEG audio decoder. It currently supports MPEG-1 mad: and the MPEG-2 extension to Lower Sampling Frequencies, as well as the mad: so-called MPEG 2.5 format. All three audio layers (Layer I, Layer II, mad: and Layer III a.k.a. MP3) are fully implemented. MAD has the mad: following special features: 24-bit PCM output; 100% fixed-point mad: (integer) computation; completely new implementation based on the mad: ISO/IEC standards; distributed under the terms of the GNU General mad: Public License (GPL). mad: