一、前言盒武磁带录音机自动选曲功能,国外已经用得非常普遍。目前仍在不断改进,不断发展,日趋完善,如随机选曲等。具有选曲功能的国产收录机业已问世。在日本,研制和应用较早的公司是夏普。虽然其它公司也三先后研制了自己的选曲电路,并确定了自己的简称,但夏普公司的影响还是 First, the prelude Box VCR automatic song selection function, foreign countries have been using very common. At present, it is still under continuous improvement, continuous improvement and maturing, such as random selection of music. Has the function of domestic song recorder has come out. In Japan, the company that developed and applied earlier was Sharp. Although other companies have also developed their own three song selection circuit, and to determine their own short name, but Sharp’s influence or