Table of Contents
1Scope
2References
3Introduction
4Experimentalset-upanddataprocessing
4.1Inputspeechmaterial
4.2Referenceconditions
4.3Processingofspeechmaterial
4.4CalculationofMOSestimationsusingtheinstrumental
model
5Derivationofequipmentimpairmentfactors
6Interpretationofinstrumentallyderivedequipment
impairmentfactorvalues
AnnexA-Speechmaterial
AppendixI-Calculationofequipmentimpairmentfactors
fromscoresprovidedbytheinstrumental
modeldescribedinITU-TRec.P.862
AppendixII-Bibliography Abstract
Gives a methodology for deriving equipment impairment factors (Ies) for digital signal processing devices, namely low bit-rate codecs. The Ie values are intended to be used as an input to the E-Model (see ITU-T Rec. G.107). Includes an electronic attachment containing speech material.
