Digital Signage is a brand new media concept, referring to the large-scale shopping malls, supermarkets, hotel lobbies, restaurants, cinemas and other public places, through the large-screen terminal display equipment, publishing business, financial and entertainment information Multimedia professional audio-visual system. It aims at specific physical place, specific time period to the specific crowd advertising information playback characteristics, let it get the effect of advertising. Abroad, it has been linked to paper media, radio, television and the Internet, calling it the "fifth media".
With the development of modern technology, the application of digital display technology will be ubiquitous. Digital signage with the integration of network, multimedia technology, the media to release processing information, timely and customer feedback to do interactive, has been widely used in finance, telecommunications, hospitals, stores, supermarkets, guesthouses, public places and other fields. The system uses the advanced design idea, the Open interface, may integrate many kinds of applications to come in. Digital signage system can be used for multimedia content playback time, frequency and playback range of statistics and records, but also can play at the same time to achieve more powerful interactive functions, to create new media opportunities.