MIL-DTL-6019D (NOTICE 1), DETAIL SPECIFICATION: GAGES, PRESSURE, DIAL INDICATING, LOW-PRESSURE OXYGEN (19 DEC 2007) [SUPERSEDING MIL-G-6019C]., MIL-DTL-6019D, dated 06 March 2002, remains inactive for new design; however, the document is valid for use.【英文标准名称】:Informationtechnology-Codingofaudio-visualobjects-Part15:AdvancedVideoCoding(AVC)fileformat
【原文标准名称】:信息技术.视听对象的编码.第15部分:高级视频编码(AVC)文档格式
【标准号】:ISO/IEC14496-15-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1/SC29
【标准类型】:()
【标准水平】:()
【中文主题词】:声信号;代码表示;编码(数据转换);数据交换;数据格式;数据处理;定义;编码;文件结构;(数据)格式;功能性;图形数据处理;图像处理;信息交换;信息技术;交互式的;MPEG;多媒体;视频信号
【英文主题词】:Acousticsignals;Codedrepresentation;Coding(dataconversion);Dataexchange;Dataformats;Dataprocessing;Definitions;Encoding;Filestructure;Formats;Functionality;Graphicdataprocessing;Imageprocessing;Informationinterchange;Informationtechnology;Interactive;MPEG;Multimedia;Videosignals
【摘要】:ThispartofISO/IEC14496specifiesthestorageformatforAVC(ISO/IEC14496-10)videostreams.ThestorageofAVCcontentusestheexistingcapabilitiesoftheISObasemediafileformatbutalsodefinesextensionstosupportthefollowingfeaturesoftheAVCcodec.?Switchingpictures:toenableswitchingbetweendifferentcodedstreamsandsubstitutionofpictureswithinthesamestream.?Sub-sequencesandlayers:providesastructuringofthedependenciesofagroupofpicturestoprovideforaflexiblestreamstructure(e.g.intermsoftemporalscalabilityandlayering).?Parametersets:thesequenceandpictureparametersetmechanismdecouplesthetransmissionofinfrequentlychanginginformationfromthetransmissionofcodedmacroblockdata.Eachslicecontainingthecodedmacroblockdatareferencesthepictureparametersetcontainingitsdecodingparameters.Inturn,thepictureparametersetreferencesasequenceparametersetthatcontainssequenceleveldecodingparameterinformation.ThefileformatforstorageofSVCcontent,asdefinedinAnnexesAtoE,andthefileformatforstorageofMVCcontent,asdefinedinAnnexesBtoF,usetheexistingcapabilitiesoftheISObasemediafileformatandtheplainAVCfileformat(i.e.thefileformatspecifiedinClauses2to5notincludingSVCandMVCsupportsspecifiedinAnnexesAtoF).Inaddition,thefollowingnewextensions,amongothers,tosupportSVC-and/orMVC-specificfeaturesarespecified.?Scalableormultiviewgrouping:astructuringandgroupingmechanismtoindicatetheassociationofNALunitswithdifferenttypesandhierarchylevelsofscalability.?Aggregator:astructuretoenableefficientscalablegroupingofNALunitsbychangingirregularpatternsofNALunitsintoregularpatternsofaggregateddataunits.?Extractor:astructuretoenableefficientextractionofNALunitsfromothertracksthantheonecontainingthemediadata.?Temporalmetadatastatements:structuresforstoringtime-alignedinformationofmediasamples.?AVCcompatibility:aprovisionforstoringanSVCorMVCbitstreaminanAVCcompatiblemanner,suchthattheAVCcompatiblebaselayercanbeusedbyanyplainAVCfileformatcompliantreader.
【中国标准分类号】:L71;L64
【国际标准分类号】:35_040
【页数】:96P.;A4
【正文语种】:英语