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自从1986年,日本索尼公司研制成功的世界上第一台数字录像机──D1格式的DVR/DVPC—1000在美国NAB(国际广播电视年会)展览会上展出以来,录像机数字化发展的进程是十分惊人的。截止到1997年,已先后有D1、D2、D3、D5、Betacam、BetacamSX、Digital—S、DV等近十种格式的数
Since 1986, Japan’s Sony Corporation successfully developed the world’s first digital video recorders - D1 format DVR / DVPC-1000 at the NAB (USA Broadcasting Convention) exhibition since the development of digital video recorder is Very alarming. As of 1997, D1, D2, D3, D5, Betacam, BetacamSX, Digital-S, DV and other nearly ten formats