目前M Ⅱ格式1/2英寸广播用录象机已商品化,日本广播协会(NHK)用了约100台这种录象机来取代少数陈旧的2英寸四磁头录象机。这种录象机的图象质量大大超过3/4英寸机,已达到1英寸机的水平,录放时间可达90分钟。与1英寸机相比,它还有下列 At present, the M ½ format 1/2-inch broadcast video recorders have been commercialized, and the NHK used some 100 such video recorders to replace a few old 2-inch four-head video recorders. This video recorder image quality much more than 3/4 inch machine, has reached the level of 1 inch machine, recording time of up to 90 minutes. Compared with the 1-inch machine, it has the following