m7u1Reading(1) 第一课时

TheevolutionofvideoandsounddevicesM7Unit1Reading•Theevolutionofvideoandsounddevices•Video•1.N.磁带录像;录像磁带;录像机，电视;（指方法）录像•2.adj.电视的;视频的;影像的;用录像磁带[录像带]的•3.vt.录像;制作…的录像影像和声音设备的发展•Readingstrategy:•UnderstandingatitleandSubtitles•Subtitles•EarlyhistoryofTV•Themodernage:satelliteTV•Earlyhistoryofsoundrecorders•Soundandvideorecorders•Soundandvideogodigital•Thefuture电视的早期历史当代：卫星电视录音机的早期历史录音机和录像机录音和视屏数字化未来•Findoutthefamouspersonsinthetextquicklythenunderstandtheircontributions.约翰·罗杰·贝尔德（JohnLogieBaird，（1888年8.13－1946年6.14）是工程师及发明家，是电动机械电视系统的发明人。1.MostearlyTVbroadcastsweremadeusingasystemdevelopedbyJohnLogieBaird.2.JohnLogieBairdconstructedthefirstcolourTvin1928(August19,1906–March11,1971)wasanAmericaninventorandtelevisionpioneer.PhiloFarnsworthModernTVsusemanyoftheprinciplesfirstdiscoveredbyFarnsworth.•爱迪生是人类历史上第一个利用大量生产原则和电气工程研究的实验室来进行从事发明专利而对世界产生重大深远影响的人。他发明的留声机、电影摄影机、电灯对世界有极大影响。他一生的发明共有两千多项，在美国拥有1328项专利。于1931年10月18日爱迪生逝世于美国新泽西州西奥兰治。••ThomasEdisonmadethefirstrecordingofahumanvoiceonhisinvention.EmileBerlinerorEmilBerliner(May20,1851–August3,1929)wasaGerman-bornAmericaninventor.Heisbestknownfordevelopingthediscrecordgramophone)EmileBerliner,aGermanlivingintheUSA,inventedarecordplayerthatuseddiscsasalternativestotubes.（使用唱片来代替圆管的留声机）listeningcareful-reading:specificyearshistoryofTVYearEvent1925192918771887Regularpublicbroadcastingbeganinlondon.19381962Thefirstrecordingofahumanvoicewasmade.ThefirstpublicTVbroadcastsweremade,intheUSA.SatelliteswereusedtobroadcastTV.EmileBerlinerinventedarecordplayerthatuseddiscstorecordon.ThefirstcolourTVprogrammewasbroadcast.audiodevicesYear196719821995RegularcolourTVbroadcastsbeganintheUK.ThefirstCDsweremadeavailable.1993TheVCDwasborn.TheDVDwasinvented.EventTrueorFalseReadthesentencesbelowanddecidewhethertheyaretrue(T)or(F)accordingtothearticle.（P4）•Answers；•1.F2.F3.F4.T5.T•Homework•Previewthelanguagepointsaboutthereadingpart.