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Over the last 10 years, digital signage appears to be taking the planet by storm. More or less everywhere you go you can find, for example, some form of digital signage in San Diego if you take a drive down any business district. In fast food restaurants, digital signage shows the most up-to-date value meals and “choices” for customizing the meal. Apparel retailers use it to show the most recent styles and how you’ll be in fashion or cool by putting on them. Even public places that aren’t selling a thing are getting in on the act with digital signage. Airports use these captive audience networks by showing animations that help get people to the right gates. Office buildings or filling stations might use digital signage or screen media to give local news, events and weather. So, we see that digital signage is growing increasingly popular, but how does it function?

Actually it is pretty simple. Digital signage may be broken up into two pieces: the hardware and the software that gets run on the hardware. The hardware is the physical display which can be an LCD (liquid crystal display), plasma TV, digital screen that uses LEDs, or even video projections. As technology has improved, prices for large LCD and plasma screens have plummeted rapidly. This has led to a growing increase in the number of installations for digital signage.

The software is what determines what is shown on the monitor of digital signage. To make it simple, software is liable for the content playback and management. Using software, the operator can play content on the screens that are a part of a digital signage network. All they need is at least one media devise. The’re number of software (and hardware) options to choose from. It may be as simple as a portable media player that is non-networked and can output a basic slide show or loop through mpeg video clips. The screen media can also be very intricate, consisting of a large network that has multiple media players of various types and servers that control a huge number of screens at many locations, all from a lone location. If the setup is simple, displays can typically be updated via an SD card, DVD, CD-ROM, or USB flash drive. An example of a intricate setup could be on a school campus where digital signage displays weather, campus events and class schedules. A complex digital signage network like that might be controlled by a network operator who might send content to many devices simultaneously or have each player pull the content it needs from servers. All of this being done from a solitary, central location.

With the proper software and hardware, digital signage gives its user a large number of promotional and informational power that is very versatile. With some network framework, changing information that is displayed can be done rapidly and the hardware/displays can be kept up to date at multiple local and remote locations. Even complex displays like split screens may be straight-forward through the software used. This could allow an advertiser to show news or weather together with upcoming sales or events.

As technology continues to improve and drive down prices, digital signage is only sure to increase in popularity and users will find ways to use it to enhance our everyday adventures.

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