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【英文标准名称】:Helical-scancompresseddigitalvideocassettesystemusing6,35mmmagnetictape-FormatD-7-VTRspecifications
【原文标准名称】:使用6.35mm磁带的螺旋扫描压缩数字录象带系统.D-7格式.VTR规范
【标准号】:BSEN62071-1-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-10-31
【实施或试行日期】:2006-10-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:盒式磁带;数据;数字的;数字录制技术;电气工程;娱乐电子学;(数据)格式;螺旋扫描记录(法);接口;接口(数据处理);磁带记录;调制;记录系统;规范(验收);结构;盒式录象带;视频记录
【英文主题词】:Cassettes;Cassettes(magnetictapes);Data;Digital;Digitalrecordingtechnique;Electricalengineering;Entertainmentelectronics;Formats;Helicalscanrecording;Interfaces;Interfaces(dataprocessing);Magnetictaperecordings;Modulation;Recordingsystem;Specification(approval);Structure;Videocassettes;Videorecording
【摘要】:ThispartofIEC62071specifiesthecontent,formatandrecordingmethodofthedatablockscontainingvideo,audio,andassociateddatawhichformthehelicalrecordson6,35mmtapecontainedincassettesasspecifiedinSMPTE307M.Inaddition,thisstandardspecifiesthecontent,format,andrecordingmethodforlongitudinalcueandcontroltracks.Onevideochannelandtwoindependentaudiochannelsarerecordedinthedigitalformatfor25Mb/sVTRsandonevideochannelandfourindependentaudiochannelsfor50Mb/sVTRs.Eachofthesechannelsisdesignedtobecapableofindependentediting.Thevideochannelrecordsandreproducesacomponenttelevisionsignalinthe525-linesystemwithaframefrequencyof29,97Hz(hereinafterreferredtoasthe525/60system)andthe625-linesystemwithaframefrequencyof25,00Hz(hereinafterreferredtoasthe625/50system).Priortorecording,thedigitalsignalisbecompressedtoaDV-based25Mb/sbitstreamwith4:1:1samplingoraDV-based50Mb/sbitstreamwith4:2:2sampling.ThestandardincludestheprocessrequiredtodecodetheDV-based25Mb/sbitstreamand50Mb/sbitstreamintooutputvideo,audio,anddata.
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:96P;A4
【正文语种】:英语