【英文标准名称】:Digitalvideorecordingwithvideocompression12,65mmtypeD-9componentformat525/60and625/50(DIGITALS)
【原文标准名称】:视频压缩12．65mmD-9型元件格式525/60及625/50(数字S)的数字录象
【标准号】:IEC62156-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-10
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:BIT速度;特性;螺旋扫描记录(法);试验条件;试验;规范(验收);数字的;机械性能;尺寸;尺寸;记录系统;通道;电视工程;记录;盒式磁带;盒式录象带;磁带录像机;录像系统;数字记录法;磁道间距;控制编码;录音;视频记录;数据块;录像带;数据压缩;控制字符;娱乐电子学;压缩;记录工程;音频;数字录制技术;磁带记录;家用盒式录象机制式;录像磁带
【英文主题词】:Audio;Bitrates;Cassettes(magnetictapes);Channels;Compression;Controlcharacters;Controlcode;Datablocks;Datacompression;Digital;Digitalrecordingmethods;Digitalrecordingtechnique;Dimensions;Entertainmentelectronics;Formats;Helicalscanrecording;Magnetictaperecordings;Mechanicalproperties;Properties;Recording;Recordingengineering;Recordingsystems;Soundrecording;Specification(approval);Testing;Testingconditions;Trackpitch;VHS;Videocassettes;Videoengineering;Videorecording;Videorecordingsystems;Videotaperecorders;Videotaperecordings;Videotapes
【摘要】:Intraframebitratereductionisappliedtovideodatapriortorecording.ThisInternationalStandardspecifiesthecontent,formatandrecordingmethodofthedatablockscontainingvideo,audio,andassociateddatathatformthehelicalrecordson12,65mmtapeincassettes.Inaddition,thisstandardspecifiesthecontent,formatandrecordingmethodofthelongitudinalrecordcontainingtrackinginformationfortherotatingheadassociatedwiththehelicalrecords,andalsocueaudio,andcontroltracks.Onevideochannelandfourindependentaudiochannelsarerecordedinthedigitalformat.Eachofthesechannelsiscapableofindependentediting.Thevideochannelrecordsandreproducesacomponenttelevisionsignalinthe525linesystemwithaframefrequencyof29,97Hz(hereinafterreferredtoasthe“525/60system”)andinthe625linesystemwithaframefrequencyof25,00Hz(hereinafterreferredtoasthe“625/50system”).
【中国标准分类号】:M73
【国际标准分类号】:33_160_40
【页数】:
【正文语种】:英语


Product Code:SAE AMS4161
Title:Aluminum Alloy, Extrusions 1.0mg 0.60si 0.28cu 0.20cr, Solution Heat Treated and Naturally Aged
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of extruded bars, rods, wire, shapes, and tubing.