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Now that the switch from analog to digital broadcasts is complete, analog TVs are incapable of receiving over-the-air broadcasts without the addition of a set-top converter box. 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 ...
An analog cable service (known as Dejiana since 1 July 2011) continued to be broadcast, but starting on 1 April 2012, all cable providers in Japan were required to convert from analog to digital services. Most analog cable services were terminated between 24 July 2011 and April 2015. [165]
The five main ATSC formats of DTV currently [when?] broadcast in the U.S. are: . Standard definition—480i, to maintain compatibility with existing NTSC sets when a digital television broadcast is converted back to an analog one [citation needed] —either by a converter box or a cable/satellite operator's proprietary equipment
An analog-to-digital converter (ADC) performs the reverse function. There are several DAC architectures; the suitability of a DAC for a particular application is determined by figures of merit including: resolution, maximum sampling frequency and others. Digital-to-analog conversion can degrade a signal, so a DAC should be specified that has ...
A digital TV converter box. A digital television adapter (DTA), commonly known as a converter box 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.
Some television sets will continue to use analog NTSC tuners if connected to an analog cable system, or a converter box (which may receive digital signals over the air, from a cable system, or from a satellite system). Low-power stations continue to broadcast in analog, but these must transition to digital by September 1, 2015, or go silent. [89]
Digital transition refers to the process of moving an existing analog system to a digital format. Used without further qualifiers, the term normally refers to the move from analog television to digital television, the digital television transition. Other examples include digital radio services and the conversion of other broadcast standards.
Robert Bosch GmbH's Fernseh division made a large three rack analog video standards converter. These were the high-end converters of the 1960s and 1970s. Image Transform in Universal City, California, used the Fernseh converter and in the 1980s made their own custom digital converter. This was also a larger three-rack device.