The difference between high-definition set-top boxes and ordinary set-top boxes
High-definition set-top boxes refer to the technical equipment required for watching high-definition TV. In addition to satisfying high-definition channels, it also has high-definition interactive digital TV It also allows viewers to enjoy “one-stop” online services such as online education, online appointment registration, online payment, etc., and even telephone bills, utilities, etc. All fees such as fees, gas fees, etc. can also be checked and paid on the interactive network.
Ordinary set-top boxes watch TV programs through the digital TV set-top boxes equipped by radio and television. The TV station converts the analog signal of the content into a digital signal and transmits it to our digital TV set-top box. After the processing of the TV set-top box, the digital signal is converted into an analog signal input and sent to the display screen. This method can avoid the loss of TV signals in the transmission process, but the resolution is extremely wired, mostly 640*480. The specific differences between high-definition set-top boxes and ordinary set-top boxes are as follows:
1. Viewing effect
The commonly used high-definition set-top boxes and ordinary set-top boxes have the same feeling of watching TV. Not the same, what we often say is the difference in resolution. Now the high-definition network TV set-top boxes used in the home appliance market support three kinds of high-definition resolutions: 1080i, 720P, and 1080P. These three resolutions are 1080p>720p>1080i, and the i and p in the back represent different scans. In theory, the p mode is better than the i mode.
2. Interface
You can see the interface with signal output on the top of the set-top box. On this interface, you should pay attention to some movies in your home. The interface of the equipment is consistent, so as not to cause waste of equipment. The old model of player HDMI, and the current HDMI interface is 1.1 or 1.2, if the next-generation audio output is required, it will not support it, so it is necessary to choose the interface of HDMI version 1.3 and above.
3. Network function
Most of the current high-definition TV set-top boxes have network functions, and some set-top boxes are out of the shared local area network. And a WiFi wireless network card that can support an external USB port, which is also very convenient. You can use the network card to watch the Internet, the effect is the same as that of the computer. Some set-top boxes can download torrents on the Internet, and can also log in to some popular video websites to watch videos.
What are the advantages and disadvantages of HD set-top boxes
Advantages
1. HD set-top boxes can watch TV for free Programs, no monthly subscription fees, and more channels to watch.
2. The high-definition set-top box can watch TV programs without IQ, and can also watch free movies and videos. Of course, it is more convenient for the telecommunication high-definition set-top box of Android system, just like the computer in the living room In the same way, you can surf the Internet, watch movies, play games and so on.
Disadvantages
1. There are definitely some disadvantages of high-definition set-top boxes. If the price is a little more expensive, the high-definition set-top box may be better, so we still need to be cautious when purchasing high-definition set-top boxes.
2. The definition of the high-definition set-top box has been mentioned above, so let’s talk about its TV program effect. The TV effect is not good, and it often freezes. This is a problem reported by many users.
3. HD set-top boxes are also divided into HD and SD in the program. If you want to watch HD programs, you need to have certain requirements on the network. If you want to watch high-definition programs, you should have at least 2M broadband for normal operation.
Declare: The above methods are derived from the program system index or shared by netizens. They are for your reference only and do not represent the research views of this website. sex and authority.
