Table of Contents
1Scope
2References
3Definitions
4Abbreviationsandacronyms
5Conventions
6Generalremarks
6.1Testingfactors
6.2Applications
7Characteristicsofthereferencesignals
7.1Lengthofsignal
7.2Activespeech
7.3Temporalstructure
7.4Activespeechlevel
7.5Applicationofartificialvoice
7.6Requirementsforspeechrecordings
7.7Variationintalkerandspeechcontent
7.8Leadingandtrailingsilences
7.9Pre-filtering
7.10Noisefloor
7.11Implementationsissues
8Characteristicsofthedegradedsignaltobeassessed
8.1Differenceinactivespeechdurationbetweenreference
anddegradedspeechsignal
8.2Activespeechlevel
8.3Differenceindurationofleadingandtrailingsilence
betweenreferenceanddegradedspeech
9Characteristicsofsignalinsertionandcapturingpaths
9.1Influenceofmeasurementcircuitsandtestconfiguration
intheinsertionpath
9.2Influenceofmeasurementcircuitsandtestconfiguration
inthecapturepath
10Analysisoftheresults
10.1Averagingthemeasurementresults
10.2ReliabilityofthePESQmeasurements'results
10.3AccuracyvaluesofthePESQmeasurements
10.4Interpretationoftheaccuracy'sresults
11Reportofresults
12GuidanceforusingP.862.2widebandextensiontoP.862
13UseofP.862.1andP.862.2useforEVRCtypeofcodecsand
evaluationofCDMAnetworks
14Comparingobjectivewithsubjectivescore
AppendixI-Referencevaluesforobjectivequalityderived
byITU-TRecommendationP.862forITU-T/GSM
standardcodecs
I.1Referencevaluesources
I.2Pre-processingofsourcespeech
I.3ProcessingofG.711
I.4ProcessingofG.726
I.5ProcessingofG.728,G.729,AnnexA/G.729andG.723.1
I.6ProcessingofMNRU
AppendixII-TestdatabasesforP.862/P.862.1
AppendixIII-ReportofP.862/P.862.1measurements
III.1ReportandinterpretationoftheaveragePESQresults
III.2ReportandinterpretationofindividualPESQmeasurement
results
AppendixIV-Calibrationmethodforproprietaryinterfaces
IV.1Calibrationofthetransmitlevel(nearend)ofthe
testequipment
IV.2Calibrationofthereceivelevel(farend)ofthe
testequipment
Bibliography Abstract
Specifies some important remarks that should be taken into account in the objective quality evaluation of speech conforming to ITU-T Recommendations P.862, P.862.1 and P.862.2.
