Set-top boxes have become necessary equipment for every family. Whether watching TV or other entertainment, as long as it is related to television, there is no shortage of set-top boxes. Speaking of the set-top box, everyone has seen and used it, but most of the small partners should not have disassembled the set-top box. What is the structure of the set-top box? Based on this structure, how is it operating?
First, set-top box working principle - - Introduction
Set-top box, scientific name for digital video conversion box, English name for the Set Top Box, referred to as STB, also known as set-top box, mainly used for TV and external signal source connection, can be compressed digital signal to TV content and Displayed on the display.
Second, the working principle of set-top boxes - - classification
Digital set-top boxes can be divided into digital satellite set-top boxes, European standard digital terrestrial set-top boxes, GB digital terrestrial set-top boxes and cable TV digital set-top boxes according to standards; they can be divided into one-way set-top boxes, two-way set-top boxes and IPTV set-top boxes according to their functions. Different set of chips can be used to form set-top boxes with different hardware platforms. On the same hardware platform, depending on the software system, set-top boxes with different applications can be constructed.
First, set-top box working principle - - Introduction
Set-top box, scientific name for digital video conversion box, English name for the Set Top Box, referred to as STB, also known as set-top box, mainly used for TV and external signal source connection, can be compressed digital signal to TV content and Displayed on the display.
Digital set-top boxes can be divided into digital satellite set-top boxes, European standard digital terrestrial set-top boxes, GB digital terrestrial set-top boxes and cable TV digital set-top boxes according to standards; they can be divided into one-way set-top boxes, two-way set-top boxes and IPTV set-top boxes according to their functions. Different set of chips can be used to form set-top boxes with different hardware platforms. On the same hardware platform, depending on the software system, set-top boxes with different applications can be constructed.
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For more information, see the PLC-5 Programmable Controllers and 1771 I/O to ControlLogix Migration Profile.
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