What’s in the set-top box?

What is the role of the set-top box?

Function:

The digital set-top box is not only a user terminal, but also a network terminal. It can enable analog TVs to switch from passively receiving analog TVs. Interactive digital television (such as video on demand, etc.) and can access the Internet, allowing users to enjoy a full range of information services such as television, data, and language.

At present, some people think that set-top boxes are used to connect TVs to the Internet. This is a misunderstanding. In fact, digital set-top boxes are one of the components of the broadband integrated information network that preceded the popularization of digital televisions.

With the development of digital technology, multimedia technology and network technology, the built-in and overall cost of digital set-top boxes will be reduced, allowing most users to achieve both entertainment and Internet access on ordinary analog TVs. Serve.

Extended information:

Set-top box functions:

(1) Electronic Program Guide (EPG). Provide users with an easy-to-use, friendly interface and a way to quickly access the programs they want to watch, TV programs

(2) High-speed data broadcasting. It can provide users with various news such as stock market quotes, ticketing information, electronic newspapers, popular websites, etc.

(3) Online software upgrade. Software online upgrade can be regarded as one of the applications of data broadcasting. The data broadcast server broadcasts the upgraded software according to the DVB data broadcast standard. The set-top box can identify the version number of the software, receive the software when the version is different, and update the software stored in the memory

(4 ) Internet access and email. Digital set-top boxes provide convenient Internet access via a built-in cable modem. Users can surf the Internet and send emails through the built-in browser of the set-top box. At the same time, the set-top box can also provide various interfaces to connect to the PC, and use the PC to connect to the Internet

(5) Conditional reception. The core of conditional access is scrambling and encryption of set-top boxes, and digital set-top boxes should have descrambling and decryption functions.

Reference: Baidu Encyclopedia ---Set-top box

The network set-top box is used as an online multimedia platform for watching a large number of movies, multimedia events, news, etc.

Network Set-TopBox (NetworkSet-TopBox) referred to as STB technology is a crucial technical equipment in information appliances. The function of the set-top box has jumped from a multi-frequency tuner and decoder to a control terminal for a large number of online databases of movies, multimedia events, news, etc.

At present, Internet set-top boxes can be divided into three major categories. One is the Internet set-top box that focuses on shopping, the other is the Internet set-top box that targets young people, and the other is the TV box designed only for parents. . Therefore, how to expand the functions of set-top boxes, improve quality, reduce production costs, and optimize product structure is of great significance to the development of upcoming interactive television networks.

Product functions

Basic functions

(1) Can indicate the status of the user’s indoor equipment, CATV network and program resources; can use the user’s TV screen to display the service company and messages and menus from information providers.

(2) Transmit the user's selection information to the service center or information provider.

(3) It can provide users with basic terminal control functions, such as fast forward, fast rewind, pause, record and other VCR functions when choosing to watch video on demand (VOD) programs.

(4) It has two-way communication capabilities and can realize TV shopping, distance teaching and VOD, etc.

(5) Can be connected to home computers.

(6) It can carry out signal transmission, modulation and demodulation, and can handle the ATM protocol.

(7) Ability to monitor public equipment and perform telemetry and feedback on signal transmission performance.

Screen rotation function

The screen rotation function is one of the important functions of the network set-top box. The screen rotation technology includes DLNA, AirPlay, Miracast and some private rotation protocols. The screen rotation function is widely used at home. It has broad application prospects in entertainment, business office and other fields.

DLNA, the full name of Digital Living Network Alliance, was founded by Sony, Intel, Microsoft, Google, etc. to solve the interconnection of smart devices so that digital media files can be freely transferred and shared between different devices.

AirPlay is a wireless sharing protocol developed by Apple. AirPlay technology can easily transfer files wirelessly between different iOS devices.

Miracast is a wireless transmission protocol initiated by Wi-Fi Alliance. Miracast users can browse photos taken by smartphones on large-screen TVs, share laptop screens in real time through conference room projectors, or Watch live programming from your home Internet TV set-top box on your tablet.

Many companies are developing the screen rotation function of network set-top boxes. A good screen rotation experience requires not only hardware support, but also application software support on mobile phones, network set-top boxes and smart TVs. ShowKey is a screen rotation function The founder and first brand in the appliance industry.

ShowKey is like a magical key that unlocks smart TV functions. It can be plugged into any large-screen terminal such as a TV or projector with an HDMI interface. It can be connected directly in 3 steps to connect an ordinary high-definition TV at home. Easily turn into a HD smart TV.

It is also like a master key that turns on the screen. You can transfer the video, photo, and music playing screen on the mobile phone to the TV screen through WIFI or AP mode. While the screen is transferred, the mobile phone can answer calls normally. The text messaging function and entertainment functions are not affected. You can also use the remote control or MINI USB mouse to control the TV, so that you can fully enjoy "wireless control" while watching TV at home.

ShowKey also has "rich connotations". The film and television content resources are open to the Internet, rich in content, updated the fastest, and basically synchronized with the current network or theater consultation.

Reference material: Baidu Encyclopedia-Network set-top box

What are the uses of set-top boxes?

1. Charging

On the back of the set-top box, there is a data cable socket. Just plug the data cable into it to charge. This can also solve the problem of everyone forgetting to bring their mobile phone charger when they go out, leaving only the data cable and no place to charge.

2. Play games

Set-top boxes often have their own games. As long as you find the game on the TV, you can play it. However, different set-top boxes have different games. , so everyone needs to discover it by themselves.

3. Connect USB to watch TV

When watching TV with a set-top box, many TV series and movies require charges. Therefore, many netizens like to find resources online and watch free TV series. Save the TV series to a USB flash drive or hard drive, then plug it into the USB interface on the back of the set-top box, turn on the TV, adjust the signal source of the TV and the video source input from the set-top box to be consistent, and watch the TV series on the USB on the TV. .

Extended information

The set-top box has evolved from a single dedicated set-top box for descrambling or digital/analog conversion to supporting multiple access methods and IP, with multiple codec capabilities and graphics Browser function, IPTV set-top box that can support business functions such as digital TV, time-shifted TV, web browsing, information services, remote teaching and medical care, and interactive games.

The set-top box should support the AAA authentication method and provide necessary information when accessing the IP network, including user identification code or user name and password. Only after authentication and authorization can the various services provided by the IPTV service platform be used; It also supports machine-card separation and uses smart card technology to store user information in hardware encryption.

Baidu Encyclopedia - Set-top box

What is a set-top box?

The function of the set-top box is to enable users to watch digital TV programs and high-definition digital TV programs using their original analog TV sets, that is, to provide digital/analog signal conversion functions. A set-top box is a device that connects a television to an external signal source. It can convert compressed digital signals into television content and display it on the television. Signals can come from cables, satellite dishes, broadband networks, and terrestrial broadcasts.

In addition to the images and sounds that analog TV can provide, the content received by the set-top box is also able to receive digital content, including electronic program guides, Internet web pages, subtitles, etc. It enables users to watch digital TV programs on existing TV sets and conduct interactive digital entertainment, education and commercial activities through the Internet.

Functional requirements of set-top boxes

Set-top boxes need to provide two types of interactive functions: interactive content selection and content interactive control.

The interactive content selection function supports interactive processes such as selecting content through the portal navigation menu, performing program retrieval, and exchanging authentication information with the authentication system of the business platform. The content control function is mainly aimed at the function of interactive control commands between the set-top box and the IPTV service platform to control content information when implementing on-demand services.

The set-top box must support graphic display modes with resolutions of 640×480, 720×576, and 352×288, and support at least 16-bit color per pixel; it must support the simultaneous display of content on multiple planes, and tiles can be used Or overlay image mode; support the ability to display characters and Chinese characters, and Chinese character encoding should comply with the requirements of GB18030.

What is the network set-top box used for?

Question 1: What is the network set-top box used for? There are many set-top boxes. Ordinary set-top boxes can only be connected to radio and television signal lines to watch TV. Network set-top boxes are now very mainstream set-top boxes and can even be used as computers. Generally, there are several types of network set-top boxes, those with CABLE cables and those without. You can watch TV by connecting the signal cable of the radio and television, or you can watch online TV by directly connecting the network cable. If you don't have one, you can only watch TV by connecting the network cable.

Question 2: What is the use of a network set-top box? The main function of the network set-top box is to watch film and television resources on the Internet by connecting to the Internet. The biggest difference between it and ordinary set-top boxes is that it relies on the Internet and has a very large amount of resources. Users do not have to passively watch according to the arrangements of the TV station, but can choose the programs they like to watch according to their own wishes.

As audience demands continue to become more diverse and personalized, the network set-top box market is booming. From the original LeTV Box and Baidu Movie Stick to the later Xiaomi Box and the newly launched Huawei Secret Box, each company has tried its best to seize the box market. Among the many boxes, the most prominent one is the Huawei Secret Box that has just been launched. In terms of configuration, Huawei Secret Box is the only set-top box equipped with a 4-core CPU and a 16-core GPU, and its computing speed is evident. In terms of film sources, the secret box has built-in 1.3 million hours of real-time updated film and television resources. In addition, Huawei Secret Box supports 19 video formats, including almost all mainstream and latest video file formats. There is also a WeChat picture transmission function, so that relatives thousands of miles away can see the pictures you share at any time.

Question 3: What is the network set-top box used for? Watch TV programs or online movies through the Internet.

Question 4: What is the role of a network set-top box? 50 points First of all, this network set-top box is more similar to the Xiaomi box, but it is different from Gehua.

The Gehua cable set-top box uses TV analog signals, while the Xiaomi box and this network set-top box use optical fiber network signals.

The difference between this network set-top box and the Xiaomi box is that the Xiaomi box takes up your network bandwidth when watching TV. In other words, if you download something while watching the Xiaomi box, the TV may look a bit stuck; The network set-top box provided by Broadband is directly plugged into the fiber optic modem. There is an interface reserved on the fiber optic modem specifically to provide network bandwidth for it, so it does not occupy the bandwidth of our normal Internet access.

The program in the Xiaomi box is Android and it is more convenient to install some applications. The program in this network set-top box is not Android, and there is no function to add applications for the time being.

To put it bluntly, these are the differences. Hope this can help clarify your doubts.

Question 5: What is the use of the Internet TV set-top box? 1: There is no charge for the Internet set-top box (as long as the family has a network of more than 2M, you can watch live TV smoothly)

2: You can watch at least 500 + Live TV, online high-definition movies, etc.

3: The network set-top box uses the latest P4P technology. If the bandwidth is above 2M, it will not be stuck

4: TV programs are all live broadcast Yes, as long as the TV station broadcasts it, you can watch it. There is no problem of update speed!

5: The network set-top box comes with smart functions. Older big TVs and TVs without smart functions can also watch smart TVs and high-definition TVs.

6: The latest network set-top box has functions such as Internet access, QQ, shopping, and games. You can also surf the Internet directly using the TV

7: LAN screen switching interactive function, as long as they are in the same LAN, you can interactively transfer pictures, multimedia, etc.

8: Wireless hotspot function, connect to a wired network cable, and after setting up, the set-top box can also transmit wireless hotspots like a wireless router.

Question 6: What is the network set-top box used for? All Android phones can be used, but some are difficult to use. It is recommended to install the HD version, or the TV version (too few)...

Question 7: What is the set-top box used for? Digital TV set-top box is referred to as set-top box. It is a conversion device that converts digital TV signals into analog signals. The set-top box not only completes functions such as demodulation, demultiplexing, and decoding of digital signals, but also completes the analysis and decryption of user authorization information. Therefore, a set-top box is required to watch digital pay TV programs.

Digital TV technology is compatible with existing analog TV sets. Users only need to install a digital set-top box to watch digital TV programs without making any changes to the cable TV lines and TV sets at home. A set-top box (STB) refers to an information device used to enhance or extend the functions of a television. Because people usually place it on top of a television, it is also called a set-top box or set-top box. The digital TV set-top box is a conversion device that converts digital TV signals into analog signals, which can provide high-quality TV programs to TV users. It is reported that external set-top boxes will gradually be replaced by "smart cards" and become built-in accessories for digital TVs in the future, which are as light and convenient as mobile phone SIM cards.

Question 8: What functions does the TV set-top box have and what is it used for? 1. The network set-top box must be plugged in with a network cable.

2. An Internet set-top box without a network cable will not have any signal source, let alone watch TV. But even if you plug in the network cable and watch TV from the service website of the local telecom operator, the number of channels and picture quality of these TV programs are not as good as those of cable TV.

3. Yes. If the Internet speed at home is not fast, for example, 2M access bandwidth is not enough to provide a fast enough video information stream for the network set-top box. If the set-top box is standard definition, it needs at least 4 megabits of bandwidth; if it is high-definition, it needs at least 8 megabits, preferably more than 10 megabits.

4. The difference between plugging in the network cable or not lies in whether the signal can be received.

Question 9: What can an Internet set-top box do to waive cable charges and watch more than 500 live TV channels? You can watch TV programs, watch movies on demand online, etc.

In addition, the smart network set-top box can also play Android applications on the TV, chat and surf the Internet, LAN screen rotation, etc.

Question 10 : What is the u*** socket on the broadband set-top box used for? The u*** socket on the broadband set-top box can be used to play music, videos, pictures, etc. and upgrade debugging software.

Video files supported by general set-top boxes include dat, avi, mpeg, wmv, mp4, mkv, ts, rm, flv and other formats.

1. Prepare a USB flash drive with a larger storage capacity;

2. Copy the downloaded movie on the computer to the USB flash drive;

3 , and then insert the U disk into the USB port of the set-top box;

4. Turn on the TV and adjust the signal source of the TV to be consistent with the video source input by the set-top box;

5. Press the set-top box again Press the "Multimedia" button on the remote control to enter the U disk;

6. After entering the U disk, find the video folder and click to play.