文中分析了应用示波器观测双通路立体声场的方法;示波器萤光屏上显示出来的光迹方向与重发声场中声象的方向完全相同。此外,通路间的信号具有相位差时产生的声象宽度增加也一样可以在萤光屏上看出,从而确定重发声场的自然度或者声象品质。这些都可应用在立体声录声监定(或监听)方面。这种观测方法也可以推广应用到四通路立体声场的观测中。 The method of using oscilloscope to observe two-channel stereo field is analyzed in this paper. The direction of the light trace displayed on the screen of the oscilloscope is exactly the same as that of the sound field in the re-emitted sound field. In addition, the increase of the sound image width caused by the phase difference between the signals of the channels can also be seen on the screen, so as to determine the naturalness or sound quality of the re-emitted sound field. These can be applied to stereo recording (or monitoring) aspects. This observation method can also be applied to the observation of the four-channel stereo field.