ITU-T G.728 Appendix II (11 1995) (英) Speech performance

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1、INTERNATIONALTELECOMMUNICATIONUNION)45 4!PPENDIX))TELECOMMUNICATION2EC'STANDARDIZATIONSECTOROFITU(11/95)'%.%2!,!30%#43/&$)')4!,42!.3-)33)/.3934%-330%%#(0%2&/2-!.#%!PPENDIX))TO)45 4Recommendation'(Previously“CCITTRecommendation”)FOREWORDTheITU-T(TelecommunicationStanda

2、rdizationSector)isapermanentorganoftheInternationalTelecommunicationUnion(ITU).TheITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommen-dationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationStandardizationConference(WTSC),

3、whichmeetseveryfouryears,establishesthetopicsforstudybytheITU-TStudyGroupswhich,intheirturn,produceRecommendationsonthesetopics.TheapprovalofRecommendationsbytheMembersoftheITU-TiscoveredbytheprocedurelaiddowninWTSCResolutionNo.1(Helsinki,March1-12,1993).AppendixIItoITU-TRecommendationG.728waspre

4、paredbyITU-TStudyGroup15(1993-1996)andwasapprovedundertheWTSCResolutionNo.1procedureonthe13thofNovember1995.___________________NOTEInthisAppendix,theexpression“Administration”isusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatingagency.ãITU1996Allrightsreserved.

5、Nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromtheITU.CONTENTSRecommendationG.728(11/95)PageII.1Introduction...............................................................................

6、.......................................................1II.2Speechperformance..........................................................................................................................1II.3Performancewithnon-speechsignals.............................................................

7、..................................2II.4Artificialvoicesignals......................................................................................................................2RecommendationG.728(11/95)iAppendixIIt