作者:标准资料网 时间:2024-05-11 20:04:02   浏览:9846   来源:标准资料网

【英文标准名称】:Informationtechnology-Codingofaudio-visualobjects-Part15:AdvancedVideoCoding(AVC)fileformat
【原文标准名称】:信息技术.音频-可视对象的编码.第15部分:高级视频编码文档格式
【标准号】:ISO/IEC14496-15-2004
【标准状态】:作废
【国别】:国际
【发布日期】:2004-04
【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】:定义;信息交换;数据处理;代码表示;尺寸;多媒体;信息技术;编码;功能性;图形数据处理;交互式;视频信号;MPEG;声信号;图像处理;编码(数据转换);数据交换;数据格式;文档结构
【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|ITU-TRec.H.264)videostreams.ThestorageofAVCcontentusestheexistingcapabilitiesoftheISOBaseMediaFileFormatbutalsodefinesextensionstosupportthefollowingfeaturesoftheAVCcodec:?Switchingpictures:Toenableswitchingbetweendifferentcodedstreamsandsubstitutionofpictureswithinthesamestream.?Sub-sequencesandlayers:Providesastructuringofthedependenciesofagroupofpicturestoprovideforaflexiblestreamstructure(e.g.intermsoftemporalscalabilityandlayering).?Parametersets:Thesequenceandpictureparametersetmechanismdecouplesthetransmissionofinfrequentlychanginginformationfromthetransmissionofcodedmacroblockdata.Eachslicecontainingthecodedmacroblockdatareferencesthepictureparametersetcontainingitsdecodingparameters.Inturn,thepictureparametersetreferencesasequenceparametersetthatcontainssequenceleveldecodingparameterinformation.
【中国标准分类号】:L81
【国际标准分类号】:35_040
【页数】:23P.;A4
【正文语种】:英语