CD: Committee draft – the first formal ballot stage of the approval process in ISO/IEC.
CE: Core experiment – a coordinated experiment conducted after the 3rd or subsequent JCT-VC meeting and approved to be considered a CE by the group.
Consent: A step taken in ITU-T to formally consider a text as a candidate for final approval (the primary stage of the ITU-T "alternative approval process").
CTC: Common test conditions.
CVS: Coded video sequence.
DCT: Discrete cosine transform (sometimes used loosely to refer to other transforms with conceptually similar characteristics).
DCTIF: DCT-derived interpolation filter.
DIS: Draft international standard – the second formal ballot stage of the approval process in ISO/IEC.
