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D-3是日本松下和NHK于1990年推出的一种数字复合式录像机,当时取名为DX,1991年被SMPTE正式定名为D-3。 D-3采用1/2”磁带,其主
D-3 is a digital composite video recorder introduced by Japan’s Matsushita and NHK in 1990, at that time it was named DX. In 1991, it was formally named D-3 by SMPTE. D-3 uses 1/2 "tape, its main