What is an automatic voice guide for Sanmao Tour? How to make an automatic tour?

Generally speaking, when you visit a scenic spot, when you arrive at a scenic spot, it will automatically play information about the scenic spot without manual operation, that is, after entering the scenic spot, guide, map and so on. You can lead the way. Whenever the voice explanation comes to the required explanation point, it will automatically perceive the information of the explanation point and start playing the story of the scenic spot. In fact, his overall principle is the combination of "internet plus cloud computing and micro-positioning", which is realized through cloud services, automatic positioning navigation, voice explanation and other modes.