VWIS is the control software of multifunctional image splicing processor，it can obtain the input channels with video access on the splicing processor and preview the input channel visually. Users can select any video input signal according to their needs to create, close, move and zoom the signal window on the splicing processor, and at the same time, the preset signal splicing scene saved on the splicing processor can be retrieved with one key. Through this control software, the display content on the splicing processor can be displayed in real time, and the operation effect of WYSIWYG can be realized. In addition, the control software can also control the opening and closing of audio output of any input channel.