AC2; AC3; Advanced Audio Coding; APE; Astra Digital Radio; DCC; DTS; lossless audio compression; Lossless Predictive Audio Compression; lossy audio compression; LPAC; MD; microphone; MP3Pro; MPEG-1 audio layer 1; Musicam; Ogg Vorbis; Perceptional Adaptive Subband Coding; Shorten; Spectral Band Replication; transparent audio coding; Twin Vector Quantization;