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Guide to Digital Television

CD Quality Digital Audio

Your Old TV - Two Channel Stereo Sound
Old fashioned NTSC television gives the listener two channels of audio - right and left - which is commonly known as "stereo" and is similar in quality to a FM radio broadcast.

Digital Television - 5.1 Channel Dobly Digital Surround Sound
The same sound that is used in many digital movie theaters and nearly all DVDs, Dolby Digital surrounds you with 5.1 channels of CD-quality surround sound: a center channel, left and right front channels, and left and right rear channels. The ".1" channel is set aside for the optional "sixth" channel, the subwoofer. The subwoofer produces the powerful low frequency sounds that you can "feel", such as deep bass in music or the thunderous rush of a fighter jet streaking across the screen.

The diagram below shows the position of each of Dolby Digital's 6 channels in a typical room.

 

  • Guide to Digital TelevisionMore>>

  • Guide to Digital Television

    What is the difference between DTV and HDTV?

    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
  • Guide to Digital Television

    Why Digital is Better

    Your Current TV - Analog Signal The word analog comes from "analogous" - that is to say an analog signal is analogous to the original signal such as a voice or video. A analog signal is often represented
  • Guide to Digital Television

    Aspect Ratio: Wider is Better

    Film came before television, so it follows that the development of TV took several cues from film. It makes sense to many because so much of what appears in theaters ends up on your living room television
  • Guide to Digital Television

    Higher Resolution Means a Sharper Picture

    If you were to look closely at your television or computer screen, you would see that the picture is made up of thousands of tiny little dots. In fact, if you looked extremely close you would see the
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