Table of Contents
1Scope
2References
3Introduction
4Selectionofexperimentparameters
4.1Preparationoftestmaterial
4.2Selectionofreferenceconditions
4.3Testenvironment
4.4Listeningpanel
5Testmethod
5.1Experimentdesign
5.2Choiceofteststimuli
5.3Presentationmethod
5.4Opinionscales
5.5Instructionstotestsubjects
5.6Analysisofresults
6Derivationofequipmentimpairmentfactors
6.1Necessaryamountofdata
6.2Scaletransformation(Step1)
6.3Linearinterpolationofthetestresults
(Step2)
6.4Additivitycheck(Step3)
6.5DerivationofIevaluesfortransmission
errorconditions(Step4)
6.6Additivitycheck(Step5)
7Interpretationofderivedequipmentimpairment
factorvalues
AppendixI-Ratingscalerelatedtoimpairmentfactors
AppendixII-Bibliography Abstract
Provides methodology for deriving equipment impairment factors (Ies) for digital signal processing devices, namely low bit-rate codecs with or without transmission errors.
