DLNA Defined: By Giuseppe Canepa - Date: April 29, 2012
What is DLNA?
What does a DLNA TV, DLNA player, DLNA server and Windows 7 DLNA all do? What does DLNA stand for anyway? Do I really need DLNA? These questions are some of the most frequently asked when it comes to DLNA. DLNA stands for the Digital Living Network Alliance. DLNA was created by SONY almost 9 years ago and it was made to be a communication standard amongst devices using Universal Plug and Play, also known as UPnP. A DLNA device is DLNA Certified, carries the dlna logo and are discoverable and compatible with each other. DLNA is used by users to easily transfer photos, videos, music and more to their DLNA devices such as TVs, smartphones, printers, computers and any DLNA compatible device.
What are the components of a DLNA system?
First you need to have either a wired or wireless home network. Those of you who are connected through broadband Internet have this requirement covered. Then you need to have your DLNA devices connected to your home network. You need to use your DLNA device, say a smartphone (dlna server) to send to another DLNA device, a HDTV or a Stereo System (dlna TV / dlna player). The smartphone is the DLNA Mobile Digital Media Server (M-DMS) that has the content for the Digital Media Player (such as HDTVs, stereos and video game consoles). Microsoft Windows 7 supports DLNA and its Media Player 12 acts as a server.
Do I really need DLNA?
So do you need it - that all depends on how you want to share or easily playback video, listen to music, print your photos or view them on your HDTV. There are certain conflicts regarding codecs, image and audio formats. Both DLNA devices have to support these formats in most cases for successful viewing or listening. Digital media conversion software could help. Another issue is Digital Rights Management (DRM), which protects copyrights. Samsung adds to its DLNA certified devices with AllShare. Samsung's Smart TVs all have DLNA compatibility. You can also download the AllShare software at the Samsung website and wirelessly (or via cable connectivity) playback video, music and view photos through your AllShare devices over your network. You have the options to either send media to another device for viewing or your PC can receive the stream and play it on its monitor.
DLNA Certified Device Categories:
There are several different types of DLNA devices and each may perform a single task. A Digital Media Server (DMS) and a Mobile Digital Media Server (M-DMS) store content. While a Digital Media Player (DMP), Mobile Digital Media Player (M-DMP) and a Digital Media Renderer (DMR) playback the content. There is also a Digital Media Controller (DMC) category (Mobile Digital Media Controller (M-DMC)) that finds the content on DMS and plays it on the DMP. For printing your photos and images over your wired / wireless network there is the Digital Media Printer (DMPr). The Mobile Digital Media Uploader (M-DMU) and the Mobile Digital Media Downloader (M-DMD) function as their name implies. The M-DMU sends the content, such as a digital camera to a printer and the Mobile Digital Media Downloader (M-DMD) stores the content retrieved for playback or viewing (MP3 player).
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