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数码影像光碟机 数码光碟(CD)的下一代产品数码影像光碟机(Di-gital Video Disc,DVD),在索尼及东芝各自统一规格(MMCD与SD)后,将于1996年下半年推出。 索尼公司与菲利浦于去年12月提出MMCD(M-ulti—Media CD)规格的DVD,在直径12公分的专用光碟上,记录比现在CD容量多5倍以上的数码资料,约3.7G bytes,另有2层式的DVD,记忆容量为7.4G by-tes.MMCD最长可记录4小时30分钟的节目。使用2层
Digital Video Disc Drive The next generation of Digital Compact Disc (CD) digital video disc drives (Di-gital Video Disc, DVD) will be available in the second half of 1996 after Sony and Toshiba’s respective specifications (MMCD and SD) are unified. Sony and Phillips proposed the MMCD (M-ulti-Media CD) specification DVD in December last year, recording more than 5 times more digital data than the current CD capacity on a 12cm-diameter special disc, about 3.7G bytes , Another two-layer DVD, memory capacity of 7.4G by-tes.MMCD can record up to 4 hours 30 minutes. Use 2 layers