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ITU P.85:1994

ITU P.85:1994 A Method For Subjective Performance Assessment Of The Quality Of Speech Voice Output Devices Describes method for subjective performance assessment of the quality of speech of voice output devices. This method allows the comparison of several systems between them. It will be useful for system

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Table of Contents

1Scope
2Assessmentmethod
2.1General
2.2Mainfeaturesoftherecommendedmethod
3Testpreparation
3.1Speechmaterial
3.2Sourceconditions
3.3Stimuluspreparation
4Designofexperiment
4.1Subjecttask
4.2Ratingscales
4.3Experimentaldesign
4.4Listeningtestprocedure
5Statisticalanalysisandreportingtheresults
6OtherMethods
AnnexA-Messages
AnnexB-Responsesheets
AnnexC-Evaluationofsyntheticspeech:instructions
forlisteners
References
Bibliography

Abstract

Describes method for subjective performance assessment of the quality of speech of voice output devices. This method allows the comparison of several systems between them. It will be useful for system designers and service providers for checking the quality of their products.

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