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A digital TV converter box. A digital television adapter (DTA), commonly known as a converter box, DTV converter , or decoder box, is a television tuner that receives a digital television (DTV) transmission, and converts the digital signal into an analog signal that can be received and displayed on an analog television set.
A coupon-eligible converter box (CECB) was a digital television adapter that met eligibility specifications for subsidy "coupons" from the United States government.The subsidy program was enacted to provide terrestrial television viewers with an affordable way to continue receiving free digital terrestrial television services after the nation's television service transitioned to digital ...
Consequently, a digital-to-analog converter, an electronic device that connects to an analog television, must be used in order to allow the television to receive digital broadcasts. [53] The box may also be called a "set-top" converter, "digital TV adapter" (DTA), or "digital set-top box" (DSTB). [54]
Most digital television sets sold in the U.S. use a display with a 16:9 aspect ratio to optimally display HDTV-formatted content. Lower-resolution sources like regular DVDs may be upscaled to the native resolution of the TV.
It was not until the 1990s that digital TV became a real possibility. [7] Digital television was previously not practically feasible due to the impractically high bandwidth requirements of uncompressed video, [8] [9] requiring around 200 Mbit/s for a standard-definition television (SDTV) signal, [8] and over 1 Gbit/s for high-definition ...
A Digital transport/terminal adapter (or DTA) is a device used by cable companies who are switching to all-digital cable systems. They typically have an RF input for receiving service, and a modulated output on Channel 3 or 4 that allows a TV to be set to channel 3 or 4 and have the tuner change channels.