Informationtechnology—DynamicadaptivestreamingoverHTTP(DASH)—Part1:MediapresentationdescriptionandsegmentformatsTechnologiesdel'information—DiffusionenfluxadaptatifdynamiquesurHTTP(DASH)—Partie1:DescriptiondelaprésentationetformatsderemisedesmédiasINTERNATIONALSTANDARDISO/IEC23009-1Fifthedition2022-08ReferencenumberISO/IEC23009-1:2022(E)©ISO/IEC2022iiISO/IEC23009-1:2022(E)COPYRIGHTPROTECTEDDOCUMENT©ISO/IEC2022Allrightsreserved.Unlessotherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO’smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401•Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+41227490111Email:copyright@iso.orgWebsite:www.iso.orgPublishedinSwitzerland©ISO/IEC2022–AllrightsreservedISO/IEC23009-1:2022(E)©ISO2022–AllrightsreservediiiContentsForeword..............................................................................................................................................................viiIntroduction.......................................................................................................................................................viii1Scope.................................................................................................................................................................12Normativereferences.................................................................................................................................13Terms,definitions,symbolsandabbreviatedterms......................................................................23.1Termsanddefinitions................................................................................................................................23.2Symbolsandabbreviatedterms...................