Cable digital television is a new generation of cable television network systems. It uses digital technology in all three processes of producing, playing, and watching TV content. In the past, analog technology was used. Digital cable television is divided into two types: "broadcast" and "interactive". The latter is more powerful than the former.
What is a cable digital TV set-top box?
The cable digital TV set-top box is the device that we must use to watch the cable digital TV. It looks like a DVD player. It is designed to receive digital television signals and then "turn hands" to the television to play it out.
What is a cable digital TV smart card?
The digital television smart card is a core component of the digital television system and needs to be used in conjunction with a set-top box. Its main function is to provide user identification, secure storage, decryption and authorization, and control of access rights. Through this card, you can choose to watch cable digital television. program.
Compared with traditional analog TV, what are the advantages of digital cable TV?
(1) Content is more exciting: More public television, pay TV, video on demand and information services are provided.
(2) The program is more personalized: hundreds of professional pay-TV programs are tailor-made for you, and video-on-demand allows you to enjoy your favorite movies and TV shows at any time.
(3) More convenient viewing: The unique electronic program guide provides you with an electronic version of the television program report. Interactive digital TV not only can be on-demand in real time, but also can fast forward, rewind, just like watching a DVD.
(4) The image is clearer: The resolution of the digital TV screen can be comparable to that of the DVD, and the sound is more vivid and beautiful.
(5) Channels are more abundant: The digitalization of cable TV has fully released the spectrum resources. Analog TVs can generally only transmit about 50 sets, while digital TVs can transmit more than 500 sets of television programs.
What is a cable digital TV set-top box?
The cable digital TV set-top box is the device that we must use to watch the cable digital TV. It looks like a DVD player. It is designed to receive digital television signals and then "turn hands" to the television to play it out.
What is a cable digital TV smart card?
The digital television smart card is a core component of the digital television system and needs to be used in conjunction with a set-top box. Its main function is to provide user identification, secure storage, decryption and authorization, and control of access rights. Through this card, you can choose to watch cable digital television. program.
Compared with traditional analog TV, what are the advantages of digital cable TV?
(1) Content is more exciting: More public television, pay TV, video on demand and information services are provided.
(2) The program is more personalized: hundreds of professional pay-TV programs are tailor-made for you, and video-on-demand allows you to enjoy your favorite movies and TV shows at any time.
(3) More convenient viewing: The unique electronic program guide provides you with an electronic version of the television program report. Interactive digital TV not only can be on-demand in real time, but also can fast forward, rewind, just like watching a DVD.
(4) The image is clearer: The resolution of the digital TV screen can be comparable to that of the DVD, and the sound is more vivid and beautiful.
(5) Channels are more abundant: The digitalization of cable TV has fully released the spectrum resources. Analog TVs can generally only transmit about 50 sets, while digital TVs can transmit more than 500 sets of television programs.
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