Table of Contents
AnnexA-Digitalcodingofcomponenttelevisionsignalsfor
contribution-qualityapplicationsatabout34or45
Mbit/s
A.1Scope
A.2Recommendationsandstandards
A.3Definitions,symbolsandabbreviations
A.4SummaryspecificationofcomponentTVcodecsfor
about34or45Mbit/s
A.5Videocodinganddiscretecosinetransformation
(DCT)
A.6QuantizationofDCTcoefficients
A.7VariablelengthcodingforDCTcoefficientsand
motionvectordifferences
A.8Videoframingandforwarderrorcorrection
A.9Additionalservices
A.10Servicemultiplex
A.11Networkadaptation
A.12Scramblingforconditionalaccessoftransmitted
data
AppendixI-Guidelinesforimplementation
I.1Introduction
I.2Modechoice
I.3Refreshstrategy
I.4Motionestimation
I.5Truncationofroundingofcoefficients
I.6Bufferregulation
I.7Criticality
I.8Errorconcealment
I.9Transmissionofcompositesignals
AppendixII-Resultsof34Mbit/scodectests
II.1Codectested
II.2Testscarriedoutandtestmethodsused
II.3Subjectivetests
II.4Resultsofsubjectivetests
II.5Resultsoftestsofcodecrecoverytime
II.6Additionalobservations
II.7Conclusions
References Abstract
Constitutes a common standard for the coding and transmission of component television signals at bit rates of about 34 or 35 Mbit/s and embraces the coding algorithm needed for digital picture coding and their interfaces with the transmission network.
