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| A traditional, less-efficient and lower quality
system that uses radio frequency (RF) waves to transmit and display
pictures and sound. |
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ATSC Tuner |
| Often called an ATSC receiver or HDTV tuner, allows
reception of digital television (DTV) signals broadcast over-the-air by
TV stations. May be integrated into a television, VCR, digital video
recorder, or set-top box. |
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Broadcast Spectrum |
| The entire range of frequencies used for radio and
television transmission. |
| Broadcasting |
| Using radio waves to distribute radio or TV
programs which are available for reception by the general public. |
| Department of Commerce
(DOC) |
| Department whose responsibility is to "foster,
serve, and promote the Nation's economic development and technological
advancement". |
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Digital |
| Describes a new, more efficient method of storing,
processing and transmitting information through the use of computer
code. |
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Digital Television (DTV) |
| The umbrella term used for the new broadcasting
system that uses computer code to transmit pictures and sounds. DTV
includes all types of digital broadcasting, including High and Standard
Definition television, datacasting and multicasting. |
| Digital-to-Analog
Converter Box |
| A stand-alone device that receives and converts
digital signals into a format for display on an analog television
receiver. |
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High-Definition Television (HDTV) |
| One type of digital television signal that is
broadcast at a higher resolution than the others, providing a
higher-quality picture. |
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Household |
| All of the people who occupy a housing unit. A
housing unit is a house, an apartment, a mobile home, a group of rooms,
or a single room occupied as separate living quarters. Separate living
quarters are those in which the occupants live separately from any other
people in the building and that have direct access from the outside of
the building or through a common hall. |
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Multicasting |
| The ability to transmit multiple
standard-definition programs at the same time using a single digital
broadcast channel. |
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National Telecommunications and Information Administration (NTIA) |
| The President's principal adviser on
telecommunications and information policy issues. |
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NTSC Tuner |
| A device built-in to a TV that allows reception of
analog broadcasting. |
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Over-the-air |
| Refers to the transmission and reception of
information in a wireless communication system. |
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Rabbit ears |
| A V-shaped set-top antenna that is adjustable in
length and angle. |
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Resolution |
| Amount of detail that can be seen in a broadcast
image. |
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Rooftop antenna |
| An antenna mounted on the roof of a structure. |
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Set-top box |
| A stand-alone device that connects to a television
and an external source of signal, turning the signal into content which
is then displayed on the television screen. |
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Standard Definition TV (SDTV) |
| The basic digital television format closest in
quality to traditional analog TV. |
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