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文中首先证明了全景(立体)声系统中的独立信号只有三个;而这三个通路信号的选择方式却有多种。若令L_F,R_F,L_B及R_B分别表示四通路立体声系统中的左前、右前、左后及右后四个方向信号,并且取下列矩阵编码成三个传输(或记录)信号MSD,LDR,…等:
The paper first proves that there are only three independent signals in the panoramic (stereo) acoustic system. There are many ways to choose these three signals. Let L_F, R_F, L_B, and R_B denote the left front, right front, left rear and right rear four directional signals in the four-channel stereo system, respectively, and take the following matrix codes into three transmission (or recording) signals MSD, LDR, Wait: