Set-top box

A consumer Palcom DSL-350 satellite-receiver; the IF demodulation tuner is on the bottom left, and a Fujitsu MPEG decoder CPU is in the center of the board. The power supply is on the right.

A set-top box (STB) or set-top unit (STU) is an information appliance device that generally contains a TV-tuner input and displays output to a television set and an external source of signal, turning the source signal into content in a form that can then be displayed on the television screen or other display device. They are used in cable television, satellite television, and over-the-air television systems, as well as other uses.

单词	Settop box
释义	Settop box 英语百科 Set-top box A set-top box (STB) or set-top unit (STU) is an information appliance device that generally contains a TV-tuner input and displays output to a television set and an external source of signal, turning the source signal into content in a form that can then be displayed on the television screen or other display device. They are used in cable television, satellite television, and over-the-air television systems, as well as other uses.
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Settop box

Set-top box