DIS: Draft international standard – the second formal ballot stage of the approval process in ISO/IEC – corresponding to a DAM for amendment texts.
DF: Deblocking filter.
DRC: Dynamic resolution conversion (synonymous with ARC, and a form of RPR).
DT: Decoding time.
ECS: Entropy coding synchronization (typically synonymous with WPP).
EPB: Emulation prevention byte (as in the emulation_prevention_byte syntax element).
EL: Enhancement layer.
ET: Encoding time.
FDAM: Final draft amendment – a draft text of an amendment to an international standard for the third formal ballot stage of the approval process in ISO/IEC – corresponding to an FDIS for complete texts.
FDIS: Final draft international standard – a draft text of an international standard for the third formal ballot stage of the approval process in ISO/IEC – corresponding to an FDAM for amendment texts.
HEVC: High Efficiency Video Coding – the video coding standard developed and extended by the JCT-VC, formalized by ITU-T as Rec. ITU-T H.265 and by ISO/IEC as ISO/IEC 23008-2.