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What is the difference between DTV and HDTV?

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What is the difference between DTV and HDTV?

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Digital Television allows broadcasters to put more data into their signal. As an example, an analog signal requiring 6 megahertz (MHz) will require fewer MHz with digital television. As a result, a broadcaster could use the additional space gained by digital transmission to transmit four simultaneous signals in standard definition (SDTV). High definition adheres to a standard of digital television transmission denoting that the sound and images are of a higher quality, taking advantage of the additional bandwidth. Digital broadcasters are not required to broadcast in this enhanced standard, but it is likely that many will broadcast in HDTV. Remember that all HDTV is broadcast in DTV, but not all DTV is HDTV. HDTV is high-definition television, a television picture format made possible by digital broadcasting. HDTV offers viewers high-quality pictures and Dolby Digital surround sound. HDTV uses the same amount of bandwidth (6 megahertz) as used in the current analog system, but HDTV can

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HDTV (high-definition television) is the highest-quality format of DTV (digital television), providing the best possible picture and sound. However, the superior picture and sound of HD (high-definition) programs can only be experienced on a high-definition TV set. HD cannot be fully utilized with older analog televisions. Although all digital signals provide a picture free of some of the problems inherent in analog broadcast (static and ghosting), HD is defined as a digital signal that is of relatively high resolution—technically at least 720 lines of vertical resolution. Only newer TVs labeled HDTV are capable of fully displaying this higher resolution. (For definitions of other DTV-related terms, please see our glossary.) If you have purchased a DTV converter box, it will receive the HDTV channels currently being broadcast and convert them to a lower resolution so that they can be displayed on your older analog TV.

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The terms “Digital Television” (DTV) and “High Definition Television” (HDTV) are often used interchangeably, but they are NOT the same thing. Digital Television refers to a TV signal that is transmitted digitally as opposed to an analog signal. Digital Television can be broadcast in several different formats, as seen in the table below. Of these formats, two are considered to be “high definition”. The term high definition implies that the resolution of the digital television signal is very high. For example, the 1080i standard is considered high definition and has a resolution approximately twice that of analog NTSC television. There are 18 “standard” digital television formats. Each one provides a different picture quality. Digital TV formats are named using a number followed by either the letter ‘p’ or ‘i’. Here are some of the more common formats: Format Description 480i Digital version of current television signals. 480p Also known as “standard definition” – has the same detail as

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The terms “digital television” (DTV) and “high definition television” (HDTV) are often used interchangeably, but they are not the same thing. HDTV is the highest quality form of DTV. Not all DTV is high definition.

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The terms digital television (DTV) and high definition television (HDTV) are often used interchangeably, but they are NOT the same thing. DTV refers to all digital television; HDTV is the highest quality form of DTV. Not all digital television is high-definition.

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