Discover the idle function of the tablet: What is DLNA?
When it comes to DLNA, most domestic consumers and even some audio-visual enthusiasts may feel relatively unfamiliar. DLNA is actually a technology that has been around for a long time. It is not mysterious or complicated.
DLNA is the name of a protocol. Its full name is: Digital Living Network Alliance, which translates into Chinese as "Digital Life Network Alliance". Common domestic names include "home entertainment network" and so on. The agreement was drafted by a number of well-known 3C companies, with the purpose of "making PCs, home appliances, mobile phones and other devices interconnected."
Formally, DLNA is more like a remote playback technology. Because it even allows a display device to directly access and play the image, sound or video resources in other DLNA devices in the network. In the traditional method, the user must first connect the TV or a player such as a PC or a disc player to realize the application of watching content.
Flat TV DLNA function analysis
Devices that currently support the DLNA protocol can be said to be everywhere. The more common ones are: flat-screen TVs (mainly concentrated on medium- and high-end models of foreign brands), Blu-ray players, PS3 game consoles, digital cameras, etc., while PCs and notebooks only need to pass some common software to achieve DLNA functions Support, it can be said that the unpopularity of DLNA in China has little to do with hardware. The main problem is still the user's habits.
Flat TV DLNA function analysis
Then some readers will ask, since DLNA is so convenient, can I use the TV to watch all kinds of high-definition movies downloaded from the computer without using a high-definition player? To answer this answer, also see that the DLNA protocol supports Which media formats.
The earliest DLNA protocol only provided support for three basic multimedia formats, which are: JPEG / LPCM / MPEG-2. JPEG is one of the industry's standard photo formats and a universal file format used by almost 100% digital cameras; LPCM is an uncompressed audio format that is rarely used on PCs; MPEG-2 is a standard DVD video compression encoding. This limited compatibility has led to the initial DLNA not being particularly good in practicality.
However, after several upgrades, the latest DLNA protocol can already support more media encoding formats, including: PNG, GIF, TIF (image); AAC, AC-3, ATRAC 3+, MP3, WMA9 ( Audio); MPEG-1, MPEG-4, AVC, WMV9 (video).
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