ITU P.502:2000
ITU P.502:2000 Objective Test Methods For Speech Communication Systems Using Complex Test Signals Describes methods and procedures for the evaluation of complex terminals, network components and transmission systems.
Table of Contents
1Scope2References
3Definitionsandabbreviations
4ConvergencePerformanceofEchoCancellers
4.1SpeechQualityDegradationPerceivedSubjectively
4.2RelatedObjectiveParametersforSingleTalkMode
4.3AnalysisMethods
5SpeechQualityEvaluationsduringDoubleTalk
5.1SpeechQualityDegradationPerceivedSubjectively
5.2RelatedObjectiveParameters
5.3AnalysisMethods
6CompandingandAGCCharacteristics
6.1SpeechQualityDegradationPerceivedSubjectively
6.2RelatedObjectiveParameter
6.3AnalysisMethods
7QualityofBackgroundNoiseTransmission
7.1QualityDegradationPerceivedSubjectively
7.2RelatedObjectiveParameter
7.3AnalysisMethods
8SwitchingCharacteristics
8.1SpeechQualityDegradationPerceivedSubjectively
8.2RelatedObjectiveParameters
8.3AnalysisMethods
AnnexA-DetailedTestMethodologyforTemporallyWeighted
ERL[t]
A.1EchoReturnLossAlgorithm
AnnexB-DoubletalkmeasurementfiltersforMethodA
AnnexC-TrainingSequenceDescription
C.1CancellerTrainingpriortoDoubleTalk
AppendixI-Bibliographicreferences
AppendixII-ExampleEvaluations
II.1SomeExampleEvaluationsaccordingtoclause5