1Common abbreviations/shorthands we use that don't need a comment 2================================================================ 3 4dsp: digital signal processing 5dst/adst: (asymmetric) discrete sine transform 6ec: entropy coding or error concealment 7er: error resilience 8fdct/idct: forward/inverse discrete cosine transform 9fft: fast Fourier transform 10gop: group of pictures 11hw/sw: hardware/software 12lp: lowpass 13lpf: loop filter 14lut: lookup table 15mb: macroblock 16mc: motion compensation 17me: motion estimation 18mv: motion vector 19nal: network abstraction layer 20pel/qpel/epel/hpel/fpel: pixel / quarter-pixel / eighth-pixel / half-pixel / full-pixel 21pp: post process 22qp: quantization parameter 23rc: rate control 24sei: supplemental enhancement information 25sl: slice 26vlc: variable length coding 27vq: vector quantization 28