?
E-mail: info@sat-sources.com
????????? ?Skype: sat-sources
??????????? QQ:591093025
Whatsapp
: +86 130 66924819
Tel: +86 755 23152995
Fax: +86 755 23152996
?Link:




Industry News

Digital TV set-top box

Digital TV set-top box is a convert the digital television signal into an analog signal conversion device, digital TV set-top box has become an embedded computing devices, real-time operating system, provide a powerful CPU computing power, used to coordinate control various parts of the hardware facilities of the set-top boxes, and provides easy graphical user interface, such as enhanced TV’s electronic program guide, illustrated program introduction and background information to the user. Set-top box has the ability to fool computer, such internal software functions and network a little two-way transformation, it is easy to implement, such as Internet browsing, video on demand, family e-commerce, telephone communications services can be described as Yi Wangda world .

TV from the transition of the black and white TV to color TV, a compatible way, the PAL-D system in China has continued to the present.

Transition to high-definition digital TV from analog TV, is a leaps and bounds in the transition, we can say can not be directly compatible, which means that all analog TV can not be used, so one step is unrealistic countries a transitional-style approach - both digital set-top boxes, digital set-top box after the digital signal into analog signal input to the analog TV to display information, and so avoid the interference caused by TV signals during transmission and loss, television reception, the signal quality has been improved to a great extent. This is just a transition, the analog TV scanning lines has been fixed, so it is compared with high-definition digital television, there is a considerable distance.

High-definition digital television (HDTV) is the future direction of development to time analog TV all out, television radio, recording, knitting equipment corresponding replacement, people will see on the TV screen high-definition TV screen and more features, HDTV, will television into a new era.

Someone asked digital set-top box to receive the signal is high-definition digital TV? Not using the digital set-top box after the digital signal into analog signal input to the analog TV to display information, so that the TV reception signal quality has significantly improved due to the analog TV scanning lines has been fixed, so compared with high-definition digital TV, there is a considerable distance. This is just a transition.

Copyright © Sat-Sources All Rights Reserved    

Rm308,No.258-A Building,Shangchuan 2nd Road,BaoAn District, Shenzhen, China